Earthquake details

Wednesday, June 21, 1978 Earthquake

The earthquake hit Japan on Wednesday, June 21, 1978 at 10:54 UTC with a magnitude of 5.7. The closest known location in the current dataset is Ishinomaki (Japan - JP), about 41.1 km away. The epicenter is located at longitude 141.756 and latitude 38.326.

Magnitude 5.7
Alert Strong
Depth 52.0 km
Coordinates 38.326, 141.756
UTC time 1978-06-21 10:54:22.600
Location Ishinomaki
Country Japan (JP)
Severity Strong

Earthquake map 1978-06-21

Nearby earthquakes

The latest 8 earthquakes within 100 km of this epicenter.
M 4.6
Ishinomaki
Japan · 2026-04-12 13:00 UTC
2.9 km
M 5.0
Ishinomaki
Japan · 2026-04-04 10:36 UTC
10.9 km
M 4.3
Ishinomaki
Japan · 2026-04-04 03:16 UTC
8.9 km
M 5.0
Ishinomaki
Japan · 2026-04-02 00:52 UTC
22.1 km
M 4.4
Sendai
Japan · 2026-03-30 19:05 UTC
18.1 km
M 4.3
Ishinomaki
Japan · 2026-03-30 01:05 UTC
7.8 km
M 4.4
Ishinomaki
Japan · 2026-03-06 20:35 UTC
75.4 km
M 4.8
Ishinomaki
Japan · 2026-03-06 20:31 UTC
71.5 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.