List of earthquakes in 1973

Earthquakes in 1973

Approximate epicenters of the earthquakes in 1973

4.0−5.9 magnitude
6.0−6.9 magnitude

7.0−7.9 magnitude
8.0+ magnitude

Strongest magnitude

off the east coast of Hokkaido, Japan (Magnitude 7.7) June 17

Deadliest

Oaxaca, Mexico (Magnitude 6.8) August 28 600 deaths

Total fatalities

700

Number by magnitude

9.0+

8.0−8.9

7.0−7.9

6.0−6.9

5.0−5.9

1333

4.0−4.9

2557

← 1972

1974 →

This is a list of earthquakes in 1973. Only magnitude 6.0 or greater earthquakes appear on the list. Lower magnitude events are included if they have caused death, injury or damage. Events which occurred in remote areas will be excluded from the list as they wouldn't have generated significant media interest. All dates are listed according to UTC time. Maximum intensities are indicated on the Mercalli intensity scale and are sourced from United States Geological Survey (USGS) ShakeMap data. Both the number of large events and the death toll were substantially lower in 1973. There was 9 magnitude 7.0+ events. The largest of these was in Japan measuring 7.7. Russia and Vanuatu were active during the year with each country having 2 magnitude 7.0+ events. Of the 700 deaths during the year Mexico had the vast majority over 2 separate events. One deadly earthquake struck in January and the other in August. The latter contributing 600 deaths to the overall total.

Overall

By death toll

Rank	Death toll	Magnitude	Location	MMI	Depth (km)	Date
7000100000000000000♠1	7002600000000000000♠600	7000680000000000000♠6.8	Oaxaca, Mexico	VIII (Severe)	7001840000000000000♠84.0	000000002017-08-28-0000August 28
7000200000000000000♠2	7001560000000000000♠56	7000750000000000000♠7.5	Michoacan, Mexico	X (Extreme)	7001430000000000000♠43.0	000000002017-01-30-0000January 30
7000300000000000000♠3	7001260000000000000♠26	7000650000000000000♠6.5	Alajuela Province, Costa Rica	VI (Strong)	7001330000000000000♠33.0	000000002017-04-14-0000April 14
7000400000000000000♠4	7001150000000000000♠15	7000700000000000000♠7.0	Luzon, Philippines	VII (Very strong)	7001330000000000000♠33.0	000000002017-03-17-0000March 17

Note: At least 10 casualties

By magnitude

Rank	Magnitude	Death toll	Location	MMI	Depth (km)	Date
7000100000000000000♠1	7000770000000000000♠7.7	5000000000000000000♠0	off the east coast of Hokkaido, Japan	VIII (Severe)	7001480000000000000♠48.0	000000002017-06-17-0000June 17
7000200000000000000♠2	7000750000000000000♠7.5	7001560000000000000♠56	Michoacan, Mexico	X (Extreme)	7001430000000000000♠43.0	000000002017-01-30-0000January 30
7000200000000000000♠2	7000750000000000000♠7.5	5000000000000000000♠0	Vanuatu	VIII (Severe)	7001260000000000000♠26.0	000000002017-12-28-0000December 28
7000300000000000000♠3	7000740000000000000♠7.4	5000000000000000000♠0	Sichuan Province, China	VIII (Severe)	7001330000000000000♠33.0	000000002017-02-06-0000February 6
7000400000000000000♠4	7000720000000000000♠7.2	5000000000000000000♠0	Kuril Islands, Russia	VII (Very strong)	7001270000000000000♠27.0	000000002017-02-28-0000February 28
7000400000000000000♠4	7000720000000000000♠7.2	5000000000000000000♠0	Vanuatu	VII (Very strong)	7001470000000000000♠47.0	000000002017-12-29-0000December 29
7000500000000000000♠5	7000710000000000000♠7.1	5000000000000000000♠0	Kuril Islands, Russia	VIII (Severe)	7001500000000000000♠50.0	000000002017-06-24-0000June 24
7000600000000000000♠6	7000700000000000000♠7.0	7001150000000000000♠15	Luzon, Philippines	VII (Very strong)	7001330000000000000♠33.0	000000002017-03-17-0000March 17
7000600000000000000♠6	7000700000000000000♠7.0	5000000000000000000♠0	east of the South Sandwich Islands	(')	7001330000000000000♠33.0	000000002017-10-06-0000October 6

Note: At least 7.0 magnitude

Notable events

January

January
Number by magnitude
Strongest magnitude	7.5 M_w , Mexico
Deadliest	7.5 M_w , Mexico 56 deaths
Total fatalities	56
8.0−8.9	0
7.0−7.9	1
6.0−6.9	4
5.0−5.9	101
4.0−4.9	193

A magnitude 6.2 earthquake struck Manawatu-Wanganui, North Island, New Zealand on January 5 at a depth of 150.0 km.^[1]
A magnitude 6.1 earthquake struck Vanuatu on January 6 at a depth of 36.0 km.^[2]
A magnitude 6.8 earthquake struck south of New Britain, Papua New Guinea on January 18 at a depth of 43.0 km. The shock had a maximum intensity of VI (Strong).^[3]
A magnitude 6.1 earthquake struck off the coast of Jalisco, Mexico on January 22 at a depth of 33.0 km.^[4]
A magnitude 7.5 earthquake struck Michoacan, Mexico on January 30 at a depth of 43.0 km. The shock had a maximum intensity of X (Extreme).^[5] 56 people were killed and 390 were injured. Some homes were destroyed.^[6]

February

February
Number by magnitude
Strongest magnitude	7.4 M_w , China
Total fatalities	0
8.0−8.9	0
7.0−7.9	2
6.0−6.9	2
5.0−5.9	96
4.0−4.9	204

A magnitude 6.1 earthquake struck Jujuy Province, Argentina on February 1 at a depth of 229.0 km.^[7]
A magnitude 7.4 earthquake struck Sichuan Province, China on February 6 at a depth of 33.0 km. The shock had a maximum intensity of VIII (Severe).^[8] 168 homes were destroyed. No casualty figures are available.^[9]
A magnitude 5.1 earthquake struck Hawke's Bay Region, North Island, New Zealand on February 21 at a depth of 38.0 km.^[10] Some damage was reported.^[11]
A magnitude 5.3 earthquake struck southern California on February 21 at a depth of 10.0 km.^[12] $1 million (1973 rate) in property damage was caused.^[13]
A magnitude 5.2 earthquake struck Fars Province, Iran on February 24 at a depth of 27.0 km.^[14] Major damage was reported.^[15]
A magnitude 6.0 earthquake struck Vanuatu on February 24 at a depth of 59.0 km.^[16]
A magnitude 7.2 earthquake struck the Kuril Islands, Russia on February 28 at a depth of 27.0 km. The shock had a maximum intensity of VII (Very strong).^[17] Some damage was caused.^[18]

March

March
Number by magnitude
Strongest magnitude	7.0 M_w , Philippines
Deadliest	7.0 M_w , Philippines 15 deaths
Total fatalities	15
8.0−8.9	0
7.0−7.9	1
6.0−6.9	4
5.0−5.9	105
4.0−4.9	208

A magnitude 6.1 earthquake struck eastern Kamchatka, Russia on March 4 at a depth of 32.0 km.^[19]
A magnitude 5.5 earthquake struck New South Wales, Australia on March 9 at a depth of 13.0 km. The shock had a maximum intensity of VII (Very strong).^[20] Property damage was around $500,000 (1973 rate).^[21]
A magnitude 6.1 aftershock struck the Kuril Islands, Russia on March 12 at a depth of 54.0 km.^[22]
A magnitude 6.0 earthquake struck Vanuatu on March 17 at a depth of 194.0 km.^[23]
A magnitude 7.0 earthquake struck Luzon, Philippines on March 17 at a depth of 33.0 km. The shock had a maximum intensity of VII (Very strong).^[24] 15 people were killed and 64 were injured. Damage costs were around $450,000 (1973 rate).^[25]
A magnitude 6.5 earthquake struck the Molucca Sea, Indonesia on March 18 at a depth of 33.0 km.^[26]

April

April
Number by magnitude
Strongest magnitude	6.6 M_w , India
Deadliest	6.5 M_w , Costa Rica 26 deaths
Total fatalities	27
8.0−8.9	0
7.0−7.9	0
6.0−6.9	8
5.0−5.9	88
4.0−4.9	287

A magnitude 5.9 earthquake struck the Gulf of Tadjoura, Djibouti on April 1 at a depth of 31.0 km. The shock had a maximum intensity of V (Moderate).^[27] Some damage was reported.^[28]
A magnitude 6.2 earthquake struck Quindio Department, Colombia on April 3 at a depth of 158.0 km.^[29]
A magnitude 6.6 earthquake struck the Nicobar Islands, India on April 7 at a depth of 33.0 km.^[30]
A magnitude 6.4 earthquake struck Vanuatu on April 8 at a depth of 35.0 km. The shock had a maximum intensity of VI (Strong).^[31]
A magnitude 6.1 aftershock struck the Kuril Islands, Russia on April 12 at a depth of 52.0 km.^[32]
A magnitude 6.5 earthquake struck Alajuela Province, Costa Rica on April 14 at a depth of 33.0 km. The shock had a maximum intensity of VI (Strong).^[33] 26 people were killed and 100 were hurt. Property damage costs were $200,000 (1973 rate).^[34]
A magnitude 6.4 earthquake struck off the south coast of Papua (province), Indonesia on April 17 at a depth of 33.0 km. The shock had a maximum intensity of VI (Strong).^[35]
A magnitude 6.5 earthquake struck off the west coast of Colombia on April 24 at a depth of 50.0 km. The shock had a maximum intensity of V (Moderate).^[36] 1 person died and some damage was reported.^[37]
A magnitude 6.1 earthquake struck off the north coast of Hawaii (island) on April 26 at a depth of 50.0 km. The shock had a maximum intensity of VII (Very strong).^[38] 11 people were injured. Property damage was costed at $5.75 million (1973 rate).^[39]

May

May
Number by magnitude
Strongest magnitude	6.0 M_w , United States
Total fatalities	0
8.0−8.9	0
7.0−7.9	0
6.0−6.9	1
5.0−5.9	83
4.0−4.9	190

May 1973 was a very quiet month worldwide. Only 1 earthquake reached magnitude 6.0 and this occurred in the Aleutian Islands, Alaska on May 29th.^[40] Whilst in a remote location it technically was the largest event of the month. For the purposes of the attached table for May it has been mentioned.

June

June
Number by magnitude
Strongest magnitude	7.7 M_w , Japan
Total fatalities	0
8.0−8.9	0
7.0−7.9	2
6.0−6.9	4
5.0−5.9	155
4.0−4.9	269

A magnitude 6.1 earthquake struck Vanuatu on June 5 at a depth of 24.0 km.^[41]
A magnitude 6.3 earthquake struck Makira, Solomon Islands on June 9 at a depth of 70.0 km.^[42]
A magnitude 7.7 earthquake struck off the east coast of Hokkaido, Japan on June 17 at a depth of 48.0 km. The shock had a maximum intensity of VIII (Severe).^[43] 27 people were injured. 2 homes were destroyed. Damage costs were around $5 million (1973 rate).^[44]
A magnitude 6.0 aftershock struck off the east coast of Hokkaido, Japan on June 17 at a depth of 50.0 km.^[45]
A magnitude 7.1 aftershock struck the far southern end of the Kuril Islands, Russia on June 24 at a depth of 50.0 km. The shock had a maximum intensity of VIII (Severe).^[46] 1 person was injured. Some damage was caused.^[47]
A magnitude 6.6 aftershock struck the far southern end of the Kuril Islands, Russia on June 26 at a depth of 50.0 km. The shock had a maximum intensity of VI (Strong).^[48]

July

July
Number by magnitude
Strongest magnitude	6.9 M_w , China
Total fatalities	0
8.0−8.9	0
7.0−7.9	0
6.0−6.9	7
5.0−5.9	153
4.0−4.9	234

A magnitude 6.7 earthquake struck off the southeast coast of Alaska on July 1 at a depth of 33.0 km.^[49]
A magnitude 6.0 foreshock struck Samar, Philippines on July 3 at a depth of 44.0 km.^[50]
A magnitude 6.5 earthquake struck Samar, Philippines on July 3 at a depth of 33.0 km. The shock had a maximum intensity of VI (Strong).^[51]
A magnitude 6.0 earthquake struck north of Samar, Philippines on July 5 at a depth of 38.0 km.^[52]
A magnitude 6.9 earthquake struck Xizang Province, China on July 14 at a depth of 33.0 km.^[53]
A magnitude 6.3 earthquake struck off the coast of Atacama Region, Chile on July 31 at a depth of 33.0 km.^[54]
A magnitude 6.0 earthquake struck the Solomon Islands on July 31 at a depth of 30.0 km. The shock had a maximum intensity of VII (Very strong).^[55]

August

August
Number by magnitude
Strongest magnitude	6.8 M_w , Mexico
Deadliest	6.8 M_w , Mexico 600 deaths
Total fatalities	600
8.0−8.9	0
7.0−7.9	0
6.0−6.9	10
5.0−5.9	104
4.0−4.9	189

A magnitude 6.1 earthquake struck Vanuatu on August 1 at a depth of 200.0 km.^[56]
A magnitude 6.1 earthquake struck Tonga on August 5 at a depth of 33.0 km.^[57]
A magnitude 6.1 foreshock struck off the coast of Atacama Region, Chile on August 7 at a depth of 25.0 km.^[58]
A magnitude 6.3 earthquake struck off the coast of Atacama Region, Chile on August 7 at a depth of 14.0 km. The shock had a maximum intensity of VII (Very strong).^[59]
A magnitude 6.0 aftershock struck the far southern Kuril Islands, Russia on August 9 at a depth of 55.0 km.^[60]
A magnitude 6.1 earthquake struck Sichuan Province, China on August 11 at a depth of 33.0 km. The shock had a maximum intensity of VII (Very strong).^[61]
A magnitude 6.0 earthquake struck East Sepik Province, Papua New Guinea on August 13 at a depth of 112.0 km.^[62]
A magnitude 6.4 earthquake struck Yunnan Province, China on August 16 at a depth of 33.0 km. The shock had a maximum intensity of VI (Strong).^[63]
A magnitude 6.1 earthquake struck west of Panay, Philippines on August 18 at a depth of 14.0 km. The shock had a maximum intensity of V (Moderate).^[64]
A magnitude 6.8 earthquake struck Oaxaca, Mexico on August 28 at a depth of 84.0 km. The shock had a maximum intensity of VIII (Severe).^[65] 600 deaths were caused as well as major damage in the area.^[66]

September

September
Number by magnitude
Strongest magnitude	6.5 M_w , North Korea
Total fatalities	0
8.0−8.9	0
7.0−7.9	0
6.0−6.9	3
5.0−5.9	96
4.0−4.9	173

A magnitude 6.0 earthquake struck off the coast of Primorsky Krai, Russia on September 10 at a depth of 532.0 km.^[67]
A magnitude 6.0 earthquake struck the Bohol Sea, Philippines on September 20 at a depth of 560.0 km.^[68]
A magnitude 6.5 earthquake struck off the east coast of North Korea on September 29 at a depth of 575.0 km.^[69]

October

October
Number by magnitude
Strongest magnitude	7.0 M_w , United Kingdom
Total fatalities	0
8.0−8.9	0
7.0−7.9	1
6.0−6.9	5
5.0−5.9	99
4.0−4.9	232

A magnitude 6.5 foreshock struck off the coast of Valparaiso Region, Chile on October 5 at a depth of 14.0 km. The shock had a maximum intensity of VI (Strong).^[70]
A magnitude 6.7 earthquake struck Valparaiso Region, Chile on October 5 at a depth of 33.0 km. The shock had a maximum intensity of VI (Strong). This came 2 minutes after the foreshock.^[71] Some damage was caused.^[72]
A magnitude 7.0 earthquake struck east of the South Sandwich Islands on October 6 at a depth of 33.0 km.^[73]
A magnitude 6.4 earthquake struck Vanuatu on October 9 at a depth of 9.0 km. The shock had a maximum intensity of VI (Strong).^[74]
A magnitude 6.0 earthquake struck Jalisco, Mexico on October 18 at a depth of 45.0 km.^[75]
A magnitude 6.1 earthquake struck Tarija Department, Bolivia on October 25 at a depth of 529.0 km.^[76]

November

November
Number by magnitude
Strongest magnitude	6.4 M_w , United States
Deadliest	2 events caused 1 death each in Iran and Portugal
Total fatalities	2
8.0−8.9	0
7.0−7.9	0
6.0−6.9	6
5.0−5.9	128
4.0−4.9	188

A magnitude 5.8 earthquake struck off the west coast of Greece on November 4 at a depth of 8.0 km. The shock had a maximum intensity of VII (Very strong).^[77] Some damage was reported.^[78]
A magnitude 6.4 earthquake struck the Andreanof Islands, Alaska on November 6 at a depth of 34.0 km.^[79]
A magnitude 6.3 earthquake struck the Andreanof Islands, Alaska on November 6 at a depth of 41.0 km.^[80]
A magnitude 6.1 earthquake struck the Kuril Islands, Russia on November 8 at a depth of 33.0 km.^[81]
A magnitude 6.0 earthquake struck the Kuril Islands, Russia on November 11 at a depth of 51.0 km.^[82]
A magnitude 5.5 earthquake struck Fars Province, Iran on November 11 at a depth of 11.0 km. The shock had a maximum intensity of VII (Very strong).^[83] 1 person died and major damage was reported.^[84]
A magnitude 6.1 earthquake struck off the east coast of Honshu, Japan on November 19 at a depth of 56.0 km. The shock had a maximum intensity of VI (Strong).^[85]
A magnitude 5.1 earthquake struck the Azores Islands, Portugal on November 23 at a depth of 5.0 km. The shock had a maximum intensity of V (Moderate).^[86] 1 person died and some damage was reported.^[87]
A magnitude 5.7 earthquake struck south of Crete, Greece on November 29 at a depth of 26.0 km. The shock had a maximum intensity of VII (Very strong).^[88] Some damage was reported.^[89]
A magnitude 6.0 earthquake struck Vanuatu on November 30 at a depth of 124.0 km.^[90]

December

December
Number by magnitude
Strongest magnitude	7.5 M_w , Vanuatu
Total fatalities	0
8.0−8.9	0
7.0−7.9	2
6.0−6.9	4
5.0−5.9	125
4.0−4.9	190

A magnitude 6.8 earthquake struck Vanuatu on December 9 at a depth of 39.0 km. The shock had a maximum intensity of VII (Very strong).^[91]
A magnitude 6.3 aftershock struck Vanuatu on December 9 at a depth of 34.0 km.^[92]
A magnitude 6.0 earthquake struck Sumba, Indonesia on December 19 at a depth of 58.0 km. The shock had a maximum intensity of V (Moderate).^[93]
A magnitude 7.5 earthquake struck Vanuatu on December 28 at a depth of 26.0 km. The shock had a maximum intensity of VIII (Severe).^[94] Some damage was caused.^[95]
A magnitude 7.2 aftershock struck Vanuatu on December 29 at a depth of 47.0 km. The shock had a maximum intensity of VII (Very strong).^[96] Some damage was caused.^[97]
A magnitude 6.6 aftershock struck Vanuatu on December 30 at a depth of 10.0 km. The shock had a maximum intensity of VIII (Severe).^[98]

References

↑ "M 6.2 - North Island of New Zealand". United States Geological Survey. January 5, 1973. Retrieved July 23, 2017.
↑ "M 6.1 - Vanuatu". United States Geological Survey. January 6, 1973. Retrieved July 23, 2017.
↑ "M 6.8 - New Britain region, Papua New Guinea". United States Geological Survey. January 18, 1973. Retrieved July 23, 2017.
↑ "M 6.1 - offshore Jalisco, Mexico". United States Geological Survey. January 22, 1973. Retrieved July 23, 2017.
↑ "M 7.5 - Michoacan, Mexico". United States Geological Survey. January 30, 1973. Retrieved July 23, 2017.
↑ "Significant Earthquake: MEXICO: S, FARIAS, TECOMAN". National Geophysical Data Center. January 30, 1973. Retrieved July 23, 2017.
↑ "M 6.1 - Jujuy, Argentina". United States Geological Survey. February 1, 1973. Retrieved July 23, 2017.
↑ "M 7.4 - western Sichuan, China". United States Geological Survey. February 6, 1973. Retrieved July 23, 2017.
↑ "Significant Earthquake: CHINA: SICHUAN PROVINCE". National Geophysical Data Center. February 6, 1973. Retrieved July 23, 2017.
↑ "M 5.1 - North Island of New Zealand". United States Geological Survey. February 21, 1973. Retrieved July 23, 2017.
↑ "Significant Earthquake: NEW ZEALAND: HAWKES BAY". National Geophysical Data Center. February 21, 1973. Retrieved July 23, 2017.
↑ "M 5.3 - 22km W of Malibu, CA". United States Geological Survey. February 21, 1973. Retrieved July 23, 2017.
↑ "Significant Earthquake: CALIFORNIA: OXNARD". National Geophysical Data Center. February 21, 1973. Retrieved July 23, 2017.
↑ "M 5.2 - southern Iran". United States Geological Survey. February 24, 1973. Retrieved July 23, 2017.
↑ "Significant Earthquake: IRAN: KHABIS,HENGAM ISLAND". National Geophysical Data Center. February 24, 1973. Retrieved July 23, 2017.
↑ "M 6.0 - Vanuatu". United States Geological Survey. February 24, 1973. Retrieved July 23, 2017.
↑ "M 7.2 - Kuril Islands". United States Geological Survey. February 28, 1973. Retrieved July 23, 2017.
↑ "Significant Earthquake: RUSSIA: KURIL ISLANDS, HIROO, URAKAWA". National Geophysical Data Center. February 28, 1973. Retrieved July 23, 2017.
↑ "M 6.1 - near the east coast of the Kamchatka Peninsula, Russia". United States Geological Survey. March 4, 1973. Retrieved July 23, 2017.
↑ "M 5.5 - near the southeast coast of Australia". United States Geological Survey. March 9, 1973. Retrieved July 23, 2017.
↑ "Significant Earthquake: AUSTRALIA: WOLLONGONG, SYDNEY". National Geophysical Data Center. March 9, 1973. Retrieved July 23, 2017.
↑ "M 6.1 - Kuril Islands". United States Geological Survey. March 12, 1973. Retrieved July 23, 2017.
↑ "M 6.0 - Vanuatu". United States Geological Survey. March 17, 1973. Retrieved July 23, 2017.
↑ "M 7.0 - Luzon, Philippines". United States Geological Survey. March 17, 1973. Retrieved July 23, 2017.
↑ "Significant Earthquake: PHILIPPINES: QUEZON CITY: CALAUG,LOPEZ,GUIAYANGAN". National Geophysical Data Center. March 17, 1973. Retrieved July 23, 2017.
↑ "M 6.5 - Molucca Sea". United States Geological Survey. March 18, 1973. Retrieved July 23, 2017.
↑ "M 5.9 - Golfe de Tadjoura, Djibouti". United States Geological Survey. April 1, 1973. Retrieved July 23, 2017.
↑ "Significant Earthquake: ETHIOPIA: DJIBOUTI". National Geophysical Data Center. April 1, 1973. Retrieved July 23, 2017.
↑ "M 6.2 - Colombia". United States Geological Survey. April 3, 1973. Retrieved July 23, 2017.
↑ "M 6.6 - Nicobar Islands, India region". United States Geological Survey. April 7, 1973. Retrieved July 23, 2017.
↑ "M 6.4 - Vanuatu". United States Geological Survey. April 8, 1973. Retrieved July 23, 2017.
↑ "M 6.1 - Kuril Islands". United States Geological Survey. April 12, 1973. Retrieved July 23, 2017.
↑ "M 6.5 - Costa Rica". United States Geological Survey. April 14, 1973. Retrieved July 23, 2017.
↑ "Significant Earthquake: COSTA RICA: TILARAN, ARENAL, RIO CHIQUITO". National Geophysical Data Center. April 14, 1973. Retrieved July 23, 2017.
↑ "M 6.4 - near the south coast of Papua, Indonesia". United States Geological Survey. April 17, 1973. Retrieved July 23, 2017.
↑ "M 6.5 - south of Panama". United States Geological Survey. April 24, 1973. Retrieved July 23, 2017.
↑ "Significant Earthquake: COLOMBIA; SAN CRISTOBAL, VENEZUELA". National Geophysical Data Center. April 24, 1973. Retrieved July 23, 2017.
↑ "M 6.1 - Hawaii region, Hawaii". United States Geological Survey. April 26, 1973. Retrieved July 23, 2017.
↑ "Significant Earthquake: HAWAII: HILO". National Geophysical Data Center. April 26, 1973. Retrieved July 23, 2017.
↑ "M 6.0 - Unimak Island region, Alaska". United States Geological Survey. May 29, 1973. Retrieved July 24, 2017.
↑ "M 6.1 - Vanuatu". United States Geological Survey. June 5, 1973. Retrieved July 24, 2017.
↑ "M 6.3 - Solomon Islands". United States Geological Survey. June 9, 1973. Retrieved July 24, 2017.
↑ "M 7.7 - Hokkaido, Japan region". United States Geological Survey. June 17, 1973. Retrieved July 24, 2017.
↑ "Significant Earthquake: JAPAN: HOKKAIDO ISLAND". National Geophysical Data Center. June 17, 1973. Retrieved July 24, 2017.
↑ "M 6.0 - off the coast of Hokkaido, Japan". United States Geological Survey. June 17, 1973. Retrieved July 24, 2017.
↑ "M 7.1 - Kuril Islands". United States Geological Survey. June 24, 1973. Retrieved July 24, 2017.
↑ "Significant Earthquake: RUSSIA: KURIL ISLANDS". National Geophysical Data Center. June 24, 1973. Retrieved July 24, 2017.
↑ "M 6.6 - Kuril Islands". United States Geological Survey. June 24, 1973. Retrieved July 24, 2017.
↑ "M 6.7 - off the coast of Southeastern Alaska". United States Geological Survey. July 1, 1973. Retrieved July 24, 2017.
↑ "M 6.0 - Samar, Philippines". United States Geological Survey. July 3, 1973. Retrieved July 24, 2017.
↑ "M 6.5 - Samar, Philippines". United States Geological Survey. July 3, 1973. Retrieved July 24, 2017.
↑ "M 6.0 - Catanduanes, Philippines". United States Geological Survey. July 5, 1973. Retrieved July 24, 2017.
↑ "M 6.9 - western Xizang". United States Geological Survey. July 14, 1973. Retrieved July 24, 2017.
↑ "M 6.3 - offshore Atacama, Chile". United States Geological Survey. July 31, 1973. Retrieved July 24, 2017.
↑ "M 6.0 - Solomon Islands". United States Geological Survey. July 31, 1973. Retrieved July 24, 2017.
↑ "M 6.1 - Vanuatu". United States Geological Survey. August 1, 1973. Retrieved July 25, 2017.
↑ "M 6.1 - Tonga". United States Geological Survey. August 5, 1973. Retrieved July 25, 2017.
↑ "M 6.1 - offshore Atacama, Chile". United States Geological Survey. August 7, 1973. Retrieved July 25, 2017.
↑ "M 6.3 - offshore Atacama, Chile". United States Geological Survey. August 7, 1973. Retrieved July 25, 2017.
↑ "M 6.0 - Kuril Islands". United States Geological Survey. August 9, 1973. Retrieved July 25, 2017.
↑ "M 6.1 - Sichuan-Gansu border region, China". United States Geological Survey. August 11, 1973. Retrieved July 25, 2017.
↑ "M 6.0 - near the north coast of New Guinea, Papua New Guinea". United States Geological Survey. August 13, 1973. Retrieved July 25, 2017.
↑ "M 6.4 - Yunnan, China". United States Geological Survey. August 16, 1973. Retrieved July 25, 2017.
↑ "M 6.1 - Panay, Philippines". United States Geological Survey. August 18, 1973. Retrieved July 25, 2017.
↑ "M 6.8 - Oaxaca, Mexico". United States Geological Survey. August 28, 1973. Retrieved July 25, 2017.
↑ "Significant Earthquake: MEXICO: VERACRUZ, MEXICO CITY". National Geophysical Data Center. August 28, 1973. Retrieved July 25, 2017.
↑ "M 6.0 - China-Russia-North Korea border region". United States Geological Survey. September 10, 1973. Retrieved July 25, 2017.
↑ "M 6.0 - Negros - Cebu region, Philippines". United States Geological Survey. September 20, 1973. Retrieved July 25, 2017.
↑ "M 6.5 - North Korea". United States Geological Survey. September 29, 1973. Retrieved July 25, 2017.
↑ "M 6.5 - offshore Valparaiso, Chile". United States Geological Survey. October 5, 1973. Retrieved July 26, 2017.
↑ "M 6.7 - offshore Valparaiso, Chile". United States Geological Survey. October 5, 1973. Retrieved July 26, 2017.
↑ "Significant Earthquake: CHILE: VALPARAISO, LA LIGUA, SANTIAGO". National Geophysical Data Center. October 5, 1973. Retrieved July 26, 2017.
↑ "M 7.0 - east of the South Sandwich Islands". United States Geological Survey. October 6, 1973. Retrieved July 26, 2017.
↑ "M 6.4 - Vanuatu". United States Geological Survey. October 9, 1973. Retrieved July 26, 2017.
↑ "M 6.0 - Jalisco, Mexico". United States Geological Survey. October 18, 1973. Retrieved July 26, 2017.
↑ "M 6.1 - Tarija, Bolivia". United States Geological Survey. October 25, 1973. Retrieved July 26, 2017.
↑ "M 5.8 - Greece". United States Geological Survey. November 4, 1973. Retrieved July 26, 2017.
↑ "Significant Earthquake: GREECE: LEUKAS ISLAND, PREVEZA, VONITSA". National Geophysical Data Center. November 4, 1973. Retrieved July 26, 2017.
↑ "M 6.4 - Andreanof Islands, Aleutian Islands, Alaska". United States Geological Survey. November 6, 1973. Retrieved July 26, 2017.
↑ "M 6.3 - Andreanof Islands, Aleutian Islands, Alaska". United States Geological Survey. November 6, 1973. Retrieved July 26, 2017.
↑ "M 6.1 - Kuril Islands". United States Geological Survey. November 8, 1973. Retrieved July 26, 2017.
↑ "M 6.0 - Kuril Islands". United States Geological Survey. November 11, 1973. Retrieved July 26, 2017.
↑ "M 5.5 - central Iran". United States Geological Survey. November 11, 1973. Retrieved July 26, 2017.
↑ "Significant Earthquake: IRAN: QESHLAGH,DEH BID". National Geophysical Data Center. November 11, 1973. Retrieved July 26, 2017.
↑ "M 6.1 - near the east coast of Honshu, Japan". United States Geological Survey. November 19, 1973. Retrieved July 26, 2017.
↑ "M 5.1 - Azores Islands, Portugal". United States Geological Survey. November 23, 1973. Retrieved July 26, 2017.
↑ "Significant Earthquake: AZORES: PICO, FAIAL, TERCEIRA". National Geophysical Data Center. November 23, 1973. Retrieved July 26, 2017.
↑ "M 5.7 - Crete, Greece". United States Geological Survey. November 29, 1973. Retrieved July 26, 2017.
↑ "Significant Earthquake: GREECE: CRETE, PALAEOCHORA, CHANIA". National Geophysical Data Center. November 29, 1973. Retrieved July 26, 2017.
↑ "M 6.0 - Vanuatu". United States Geological Survey. November 30, 1973. Retrieved July 26, 2017.
↑ "M 6.8 - Vanuatu". United States Geological Survey. December 9, 1973. Retrieved July 26, 2017.
↑ "M 6.3 - Vanuatu". United States Geological Survey. December 9, 1973. Retrieved July 26, 2017.
↑ "M 6.0 - Sumba region, Indonesia". United States Geological Survey. December 19, 1973. Retrieved July 26, 2017.
↑ "M 7.5 - Vanuatu". United States Geological Survey. December 28, 1973. Retrieved July 26, 2017.
↑ "Significant Earthquake: VANUATU ISLANDS: ESPIRITU SANTO, LUGANILLE". National Geophysical Data Center. December 28, 1973. Retrieved July 26, 2017.
↑ "M 7.2 - Vanuatu". United States Geological Survey. December 29, 1973. Retrieved July 26, 2017.
↑ "Significant Earthquake: VANUATU ISLANDS: LUGANVILLE, LAMAP". National Geophysical Data Center. December 29, 1973. Retrieved July 26, 2017.
↑ "M 6.6 - Vanuatu". United States Geological Survey. December 30, 1973. Retrieved July 26, 2017.

← Earthquakes in 1973 →
Point Mugu (5.8, Feb 28) Veracruz (7.0, Aug 28) †‡ Salta (5.9, Nov 19)
† indicates earthquake resulting in at least 30 deaths ‡ indicates the deadliest earthquake of the year

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Earthquakes by year
19th century	1900
20th century	1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000
21st century	2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017
Historical earthquakes Lists of earthquakes