M6.2 earthquake 119 km SE of Koshima, Japan
A magnitude 6.2 earthquake struck 119 km SE of Koshima, Japan on Mon, Aug 30, 1948, 9:29 AM GMT+10 (23:29 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
- 6.2 (mw), strong
- Local time
- UTC
- 1948-08-29 23:29:38 UTC
- Depth
- 15.0 km (9.3 mi), shallow
- Epicenter
- 29.547° N, 131.487° 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
- ±0.20
- 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: 0 in the 60 days after this one and 0 in the 30 days before it.
None recorded.
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem897527. Read Tue, Sep 22, 2026, 5:24 PM UTC.