M4.3 earthquake 33 km ESE of Hitachi, Japan
A magnitude 4.3 earthquake struck 33 km ESE of Hitachi, Japan on Thu, Oct 1, 1981, 3:40 AM JST (18:40 UTC), 65 km (40 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.3 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1981-09-30 18:40:33 UTC
- Depth
- 64.5 km (40.1 mi), shallow
- Epicenter
- 36.439° N, 140.963° 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.
- Depth from
- FROM_LOCATION
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 0 in the 60 days after this one and 5 in the 30 days before it.
Before
- 4.021 km NNE of Daigo, Japan · 16441 days ago · 99 km deep · 75 km away
- 4.91 km ESE of Ishige, Japan · 16454 days ago · 87 km deep · 95 km away
- 4.599 km ESE of Takahagi, Japan · 16455 days ago · 33 km deep · 71 km away
- 4.843 km NE of Hasaki, Japan · 16455 days ago · 39 km deep · 47 km away
- 5.56 km ESE of Hasaki, Japan · 16466 days ago · 58 km deep · 82 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001g77. Read Fri, Oct 2, 2026, 5:30 AM UTC.