Earthquake details

Sunday, May 21, 1978 Earthquake

The earthquake hit Japan on Sunday, May 21, 1978 at 12:08 UTC with a magnitude of 5.2. The closest known location in the current dataset is Hachinohe (Japan - JP), about 85.7 km away. The epicenter is located at longitude 142.437 and latitude 40.796.

Magnitude 5.2
Alert Strong
Depth 55.0 km
Coordinates 40.796, 142.437
UTC time 1978-05-21 12:08:45.900
Location Hachinohe
Country Japan (JP)
Severity Strong

Earthquake map 1978-05-21

Nearby earthquakes

The latest 8 earthquakes within 100 km of this epicenter.
M 4.2
Kuji
Japan · 2026-05-31 10:58 UTC
53.7 km
M 4.8
Hachinohe
Japan · 2026-05-25 08:14 UTC
61.5 km
M 4.6
Kuji
Japan · 2026-05-22 16:53 UTC
57.6 km
M 4.3
Hachinohe
Japan · 2026-05-11 02:27 UTC
40.2 km
M 4.5
Hachinohe
Japan · 2026-04-22 17:46 UTC
76.0 km
M 4.5
Kuji
Japan · 2026-04-22 12:06 UTC
54.6 km
M 4.4
Kuji
Japan · 2026-04-21 16:18 UTC
81.7 km
M 4.4
Hachinohe
Japan · 2026-04-14 13:21 UTC
19.6 km

Stay informed

Earthquake alerts

Create targeted notifications for important seismic activity near the places you follow.

Choose the places you want to monitor.
Set a minimum magnitude for notifications.