| Magnitude | 6.1 |
| Alert | Severe |
| Depth | 60.0 km |
| Coordinates | 38.785, 141.949 |
| UTC time | 1978-02-20 04:36:58.100 |
Earthquake details
Monday, February 20, 1978 Earthquake
The earthquake hit Japan on Monday, February 20, 1978 at 04:36 UTC with a magnitude of 6.1. The closest known location in the current dataset is Kesennuma (Japan - JP), about 34.7 km away. The epicenter is located at longitude 141.949 and latitude 38.785.
| Location | Kesennuma |
| Country | Japan (JP) |
| Severity | Severe |
Earthquake map 1978-02-20
Closest countries
The 12 closest cities near the epicenter.
| Kesennuma | 34.7 km |
| Ōfunato | 37.7 km |
| Kamaishi | 55.2 km |
| Tome | 69.4 km |
| Ishinomaki | 69.8 km |
| Ichinoseki | 72.2 km |
| Yamoto | 75.3 km |
| Ōshū | 78.2 km |
| Higashimatsushima | 79.0 km |
| Mizusawa | 80.6 km |
| Kurihara | 82.5 km |
| Ōsaki | 87.6 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.9
Ishinomaki
Japan · 2026-07-03 01:44 UTC
25.2 km
M 4.2
Kesennuma
Japan · 2026-07-02 20:24 UTC
22.7 km
M 4.3
Sendai
Japan · 2026-06-12 19:49 UTC
65.5 km
M 4.4
Kesennuma
Japan · 2026-06-11 14:22 UTC
10.4 km
M 4.1
Miyako
Japan · 2026-06-06 20:15 UTC
90.2 km
M 4.3
Miyako
Japan · 2026-06-01 13:30 UTC
89.5 km
M 4.2
Ōfunato
Japan · 2026-05-29 08:53 UTC
29.2 km
M 4.5
Kesennuma
Japan · 2026-05-26 20:21 UTC
10.5 km
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