M7.4 earthquake 67 km SSW of Shing?, Japan
A magnitude 7.4 earthquake struck 67 km SSW of Shing?, Japan on Sun, Apr 18, 1948, 1:11 AM JST (16:11 UTC), 15 km (9 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 7.4 (mw), major
- Local time
- UTC
- 1948-04-17 16:11:32 UTC
- Depth
- 15.0 km (9.3 mi), shallow
- Epicenter
- 33.157° N, 135.740° E
- Region
- Japan
- Strongest shaking
- VII, very strong shaking
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- VII, very strong shaking
- Peak ground acceleration
- 22.4% of gravity
- Peak ground velocity
- 2.9 cm/s
- Map
- Automatic
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
- ±0.64
- 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: 1 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 iscgem897281. Read Tue, Sep 22, 2026, 11:32 AM UTC.