| Magnitude | 5.7 |
| Alert | Strong |
| Depth | 33.0 km |
| Coordinates | 39.076, 143.339 |
| UTC time | 1981-02-23 09:21:36.370 |
Earthquake details
Monday, February 23, 1981 Earthquake
The earthquake hit Japan on Monday, February 23, 1981 at 09:21 UTC with a magnitude of 5.7. The closest known location in the current dataset is Kamaishi (Japan - JP), about 128.9 km away. The epicenter is located at longitude 143.339 and latitude 39.076.
| Location | Ishinomaki |
| Country | Japan (JP) |
| Severity | Strong |
Earthquake map 1981-02-23
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.6
Ishinomaki
Japan · 2026-08-04 14:00 UTC
121.1 km
M 4.9
Ishinomaki
Japan · 2026-07-03 01:44 UTC
99.3 km
M 4.2
Kesennuma
Japan · 2026-07-02 20:24 UTC
117.1 km
M 4.0
Ishinomaki
Japan · 2026-06-16 16:06 UTC
185.4 km
M 4.3
Sendai
Japan · 2026-06-12 19:49 UTC
154.6 km
M 4.4
Kesennuma
Japan · 2026-06-11 14:22 UTC
115.5 km
M 4.4
Ishinomaki
Japan · 2026-06-08 22:26 UTC
200.2 km
M 4.2
Ōfunato
Japan · 2026-05-29 08:53 UTC
124.9 km
Stay informed
Earthquake alerts
Create targeted notifications for important seismic activity near the places you follow.