M4.7 earthquake 50 km NNE of Mutsu, Japan
A magnitude 4.7 earthquake struck 50 km NNE of Mutsu, Japan on Sun, Aug 15, 1982, 5:23 AM JST (20:23 UTC), 98 km (61 mi) below the surface.
A larger quake followed: M4.8 43 km SSE of Shizunai-furukawach?, Japan. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.7 (mb), light
- Local time
- UTC
- 1982-08-14 20:23:09 UTC
- Depth
- 98.0 km (60.9 mi), intermediate-depth
- Epicenter
- 41.693° N, 141.486° 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.
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.7 and up: 2 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.843 km SSE of Shizunai-furukawach?, Japan · 16082 days ago · 70 km deep · 98 km away
- 4.718 km NNE of Honch?, Japan · 16060 days ago · 124 km deep · 67 km away
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001p20. Read Tue, Sep 22, 2026, 8:36 PM UTC.