M7.0 earthquake 139 km ESE of Ishinomaki, Japan
A magnitude 7.0 earthquake struck 139 km ESE of Ishinomaki, Japan on Wed, May 12, 1948, 10:56 AM GMT+10 (00:56 UTC), 20 km (12 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 7.0 (mw), major
- Local time
- UTC
- 1948-05-12 00:56:59 UTC
- Depth
- 20.0 km (12.4 mi), shallow
- Epicenter
- 37.921° N, 142.766° E
- Region
- Japan
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Magnitude uncertainty
- ±0.31
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.5 and up: 2 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem897321. Read Tue, Sep 22, 2026, 8:41 AM UTC.