| Magnitude | 6.1 |
| Alert | Severe |
| Depth | 41.9 km |
| Coordinates | 38.378, 142.232 |
| UTC time | 1971-04-04 18:39:39.710 |
Earthquake details
Sunday, April 4, 1971 Earthquake
The earthquake hit Japan on Sunday, April 4, 1971 at 18:39 UTC with a magnitude of 6.1. The closest known location in the current dataset is Ishinomaki (Japan - JP), about 81.4 km away. The epicenter is located at longitude 142.232 and latitude 38.378.
| Location | Ishinomaki |
| Country | Japan (JP) |
| Severity | Severe |
Earthquake map 1971-04-04
Closest countries
The 12 closest cities near the epicenter.
| Ishinomaki | 81.4 km |
| Kesennuma | 81.4 km |
| Yamoto | 88.9 km |
| Ōfunato | 89.3 km |
| Higashimatsushima | 91.9 km |
| Tome | 100.7 km |
| Shiogama | 104.9 km |
| Kamaishi | 104.9 km |
| Tagajō-shi | 107.9 km |
| Rifu | 109.7 km |
| Ōsaki | 112.2 km |
| Ichinoseki | 112.8 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.6
Ishinomaki
Japan · 2026-08-04 14:00 UTC
12.1 km
M 4.9
Ishinomaki
Japan · 2026-07-03 01:44 UTC
51.3 km
M 4.2
Kesennuma
Japan · 2026-07-02 20:24 UTC
70.9 km
M 4.0
Ishinomaki
Japan · 2026-06-16 16:06 UTC
71.5 km
M 4.3
Sendai
Japan · 2026-06-12 19:49 UTC
31.2 km
M 4.4
Kesennuma
Japan · 2026-06-11 14:22 UTC
45.2 km
M 4.4
Ishinomaki
Japan · 2026-06-08 22:26 UTC
83.5 km
M 4.2
Ōfunato
Japan · 2026-05-29 08:53 UTC
79.7 km
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