A year of strong earthquakes
Each spike is a magnitude 5.5+ earthquake of the last twelve months (USGS ComCat); its height follows the magnitude, its colour the depth. Rings mark the strongest. Earthquakes outline the plate boundaries.
- < 70 km (shallow)
- 70–300 km (intermediate)
- > 300 km (deep)
Positions and magnitudes from the USGS catalogue; heights exaggerated. Base map: local NASA Blue Marble.
Show the data as a table
Show the data as a table
| # | M | Date | Place | Depth |
|---|---|---|---|---|
| 1 | 9.5 mw | 1960-05-22 | 1960 Great Chilean Earthquake (Valdivia Earthquake) | 25 km |
| 2 | 9.2 mw | 1964-03-28 | The 1964 Prince William Sound, Alaska Earthquake | 25 km |
| 3 | 9.1 mw | 2004-12-25 | 2004 Sumatra - Andaman Islands Earthquake | 30 km |
| 4 | 9.1 mww | 2011-03-11 | 2011 Great Tohoku Earthquake, Japan | 29 km |
| 5 | 9.0 mw | 1952-11-04 | 89 km ESE of Petropavlovsk-Kamchatsky, Russia | 22 km |
| 6 | 8.8 mw | 1906-01-31 | 1906 Ecuador-Colombia Earthquake | 20 km |
| 7 | 8.8 mww | 2010-02-27 | 2010 Maule, Chile Earthquake | 23 km |
| 8 | 8.8 mww | 2025-07-29 | 2025 Kamchatka Peninsula, Russia Earthquake | 35 km |
| 9 | 8.7 mw | 1965-02-04 | 1965 Western Aleutian Islands (Hawadax/Rat Islands) Earthquake | 30 km |
| 10 | 8.6 mw | 1946-04-01 | The 1946 Unimak Island, Alaska Earthquake | 15 km |
| # | Year | Place | M | Deaths |
|---|---|---|---|---|
| 1 | 1556 | CHINA: SHAANXI PROVINCE | 8.0 | 830,000 |
| 2 | 2010 | HAITI: PORT-AU-PRINCE tsunami | 7.0 | 316,000 |
| 3 | 115 | TURKEY: ANTAKYA (ANTIOCH) tsunami | 7.5 | 260,000 |
| 4 | 525 | TURKEY: ANTAKYA (ANTIOCH), SAMANDAG | 7.0 | 250,000 |
| 5 | 1976 | CHINA: NE: TANGSHAN | 7.5 | 242,769 |
| 6 | 1920 | CHINA: GANSU PROVINCE, SHANXI PROVINCE tsunami | 8.3 | 235,502 |
| 7 | 1139 | AZERBAIJAN: GYZNDZHA | — | 230,000 |
| 8 | 2004 | INDONESIA: SUMATRA: ACEH: OFF WEST COAST tsunami | 9.1 | 227,899 |
| 9 | 856 | IRAN: DAMGHAN, QUMIS | 7.9 | 200,000 |
| 10 | 893 | ARMENIA: DVIN; IRAN: ARDABIL | — | 150,000 |
| Date (UTC) | M | Place | Depth | Lat., lon. |
|---|---|---|---|---|
| 1941-03-19 00:44 | 6.0 mw | 106 km E of Miyako, Japan | 20 km | 39.82, 143.16 |
| 1941-03-16 05:42 | 6.6 mw | 112 km SE of Severo-Kuril’sk, Russia | 25 km | 50.03, 157.36 |
| 1941-03-15 03:46 | 6.0 mw | 30 km ESE of San Luis, Mexico | 15 km | 28.37, -113.44 |
| 1941-03-14 12:30 | 6.1 mw | 122 km E of Miyako, Japan | 20 km | 39.64, 143.37 |
| 1941-03-12 19:36 | 6.2 mw | 149 km E of Yamada, Japan | 20 km | 39.36, 143.68 |
| 1941-03-12 12:16 | 6.3 mw | 136 km E of Yamada, Japan | 20 km | 39.56, 143.53 |
| 1941-03-04 13:18 | 6.1 mw | Mid-Indian Ridge | 15 km | -7.34, 67.66 |
| 1941-03-01 01:52 | 6.2 mw | 14 km W of Rizómylos, Greece | 15 km | 39.41, 22.58 |
| 1941-02-27 07:44 | 6.1 mw | 241 km NNW of Tobelo, Indonesia | 15 km | 3.75, 127.20 |
| 1941-02-25 03:37 | 6.2 mw | 26 km E of Kefamenanu, Indonesia | 25 km | -9.48, 124.72 |
| 1941-02-16 14:39 | 6.3 mw | 43 km WSW of Q?’en, Iran | 15 km | 33.53, 58.78 |
| 1941-02-11 12:35 | 6.5 mw | 115 km S of San Francisco del Mar Viejo, Mexico | 15 km | 15.19, -94.70 |
| 1941-02-09 17:19 | 6.5 mw | 68 km SSE of Kokopo, Papua New Guinea | 35 km | -4.91, 152.51 |
| 1941-02-09 07:44 | 6.8 mw | 84 km W of Ferndale, California | 15 km | 40.65, -125.26 |
| 1941-02-08 16:46 | 6.1 mw | 244 km NNE of Palu, Indonesia | 25 km | 1.24, 120.42 |
| 1941-02-07 13:13 | 6.4 mw | 87 km ESE of Ust’-Kamchatsk Staryy, Russia | 15 km | 56.02, 163.84 |
| 1941-01-27 00:30 | 6.0 mw | 23 km WSW of Udalguri, India | 15 km | 26.70, 91.88 |
| 1941-01-24 13:35 | 6.0 mw | central Mid-Atlantic Ridge | 15 km | -0.48, -19.78 |
| 1941-01-21 10:41 | 6.4 mw | 29 km SE of Trashigang, Bhutan | 15 km | 27.17, 91.79 |
| 1941-01-20 01:37 | 6.0 mw | 4 km SSE of Lefkónoiko, Cyprus | 15 km | 35.22, 33.75 |
| 1941-01-13 14:27 | 7.2 mw | New Britain region, Papua New Guinea | 15 km | -4.25, 151.94 |
| 1941-01-11 06:32 | 6.1 mw | 39 km ESE of ??mitah, Saudi Arabia | 15 km | 16.51, 43.30 |
| 1941-01-06 07:48 | 6.1 mw | 14 km SSW of El Rosario, Nicaragua | 70 km | 11.65, -86.40 |
| 1941-01-05 16:47 | 6.6 mw | 152 km NW of Gorontalo, Indonesia | 25 km | 1.66, 122.27 |
| 1940-12-28 14:37 | 7.7 mw | Mariana Islands region | 15 km | 18.20, 147.46 |
| 1940-12-22 10:31 | 6.4 mw | 148 km SSW of Leava, Wallis and Futuna | 15 km | -15.48, -178.80 |
| 1940-12-18 01:39 | 6.3 mw | 30 km WNW of Chama, Zambia | 15 km | -11.14, 32.88 |
| 1940-12-17 12:42 | 6.2 mw | 251 km E of Biak, Indonesia | 15 km | -0.98, 138.33 |
| 1940-12-07 20:17 | 6.0 ml | 126km S of Estacion Coahuila, B.C., MX | 6 km | 31.07, -114.85 |
| 1940-12-04 11:05 | 6.4 mw | 210 km E of Amahai, Indonesia | 35 km | -3.48, 130.81 |
| 1940-11-27 12:41 | 6.4 mw | 112 km SSE of Kavieng, Papua New Guinea | 25 km | -3.56, 151.03 |
| 1940-11-19 13:01 | 6.6 mw | 51 km SE of Kamaishi, Japan | 44 km | 38.96, 142.30 |
| 1940-11-18 10:47 | 6.1 mw | 18 km NNE of Tanabe, Japan | 50 km | 33.89, 135.44 |
| 1940-11-17 01:56 | 6.0 mb | off the coast of Oregon | — | 44.80, -130.00 |
| 1940-11-16 00:27 | 6.3 mw | 177 km S of Attu Station, Alaska | 25 km | 51.27, 173.56 |
| 1940-11-14 08:33 | 6.1 mw | 83 km ENE of Hasaki, Japan | 25 km | 36.05, 141.67 |
| 1940-11-10 18:40 | 6.0 mw | 217 km NNE of Barra Patuca, Honduras | 15 km | 17.46, -83.19 |
| 1940-11-09 23:39 | 7.7 mw | 13 km ESE of Comand?u, Romania | 150 km | 45.72, 26.43 |
| 1940-11-08 08:34 | 6.2 mw | 17 km SW of Port-Vila, Vanuatu | 35 km | -17.83, 168.18 |
| 1940-10-31 08:43 | 6.3 mw | 32 km WNW of R?par, India | 15 km | 23.72, 70.37 |
| 1940-10-30 01:10 | 6.3 mw | central Mid-Atlantic Ridge | 15 km | -1.64, -20.94 |
| 1940-10-27 03:35 | 6.7 mw | 8 km SW of Parrita, Costa Rica | 35 km | 9.46, -84.37 |
| 1940-10-24 18:06 | 6.1 mw | 33 km SW of Melipilla, Chile | 45 km | -33.91, -71.46 |
| 1940-10-22 04:37 | 6.6 mw | 12 km NNW of Gura Teghii, Romania | 130 km | 45.59, 26.38 |
| 1940-10-11 16:41 | 6.9 mw | 14 km SE of Ancud, Chile | 35 km | -41.98, -73.71 |
| 1940-10-06 13:38 | 6.3 mw | 67 km NW of Iquique, Chile | 15 km | -19.76, -70.59 |
| 1940-10-05 12:38 | 6.1 mw | 10 km WSW of Quepos, Costa Rica | 15 km | 9.40, -84.25 |
| 1940-10-04 05:55 | 7.2 mw | Near the coast of Tarapaca, Chile | 35 km | -19.98, -70.42 |
| 1940-10-04 02:35 | 6.2 mw | 79 km SSW of Nagqu, China | 15 km | 30.85, 91.66 |
| 1940-10-02 01:15 | 6.0 mw | 5 km SSE of Tejar, Costa Rica | 15 km | 9.70, -84.22 |
The USGS ComCat (ANSS) catalogue is read through the FDSN web service, one request per calendar year since 1900 for magnitudes ≥ 4.5; the last two years are re-read on each update because solutions are revised. Magnitudes are those published (mb, Ms, Mw, ml…) and are not converted; depth is the hypocentre depth in km.
Yearly counts are computed on the server from imported events of type “earthquake” (explosions and other types are kept but excluded from counts). Historical earthquakes and their tolls come from the NCEI/WDS significant earthquake database, dated to the year when the day is unknown.
- USGS ComCat earthquakes M ≥ 4.5 (FDSN event service)
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U.S. Geological Survey, Earthquake Hazards Program (2017). Advanced National Seismic System (ANSS) Comprehensive Catalog of Earthquake Events and Products. Accessed through the FDSN event web service.
· doi:10.5066/F7MS3QZH · source page ↗
Licence : U.S. Government work, public domain; cite USGS ANSS ComCat · retrieved on Nov 2, 2026 · SHA-256 b884f435dbf0… - NCEI/WDS Global Significant Earthquake Database
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National Geophysical Data Center / World Data Service (NGDC/WDS): NCEI/WDS Global Significant Earthquake Database. NOAA National Centers for Environmental Information.
· doi:10.7289/V5TD9V7K · source page ↗
Licence : U.S. Government work, public domain; cite NCEI/WDS · retrieved on Oct 30, 2026 · SHA-256 d5b49c593d3a…