M4.5 earthquake 86 km ENE of Hasaki, Japan
A magnitude 4.5 earthquake struck 86 km ENE of Hasaki, Japan on Wed, Sep 22, 1982, 7:01 AM JST (22:01 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.7 44 km ESE of Takahagi, Japan. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.5 (mb), light
- Local time
- UTC
- 1982-09-21 22:01:08 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 35.981° N, 141.744° 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
- OPERATOR_ASSIGNED
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 5 in the 30 days before it.
After
- 4.2109 km ENE of Hasaki, Japan · 16063 days ago · 33 km deep · 33 km away
- 4.744 km ESE of Takahagi, Japan · 16043 days ago · 53 km deep · 84 km away
- 4.566 km ESE of Takahagi, Japan · 16042 days ago · 52 km deep · 59 km away
- 4.351 km ESE of Hasaki, Japan · 16029 days ago · 43 km deep · 51 km away
- 4.611 km S of Hasaki, Japan · 16015 days ago · 61 km deep · 90 km away
Before
- 4.871 km ENE of Kashima-shi, Japan · 16075 days ago · 48 km deep · 40 km away
- 4.251 km ESE of Hitachi, Japan · 16088 days ago · 53 km deep · 69 km away
- 4.233 km ESE of ?arai, Japan · 16091 days ago · 42 km deep · 78 km away
- 4.250 km ESE of Hitachi, Japan · 16093 days ago · 50 km deep · 70 km away
- 5.679 km ESE of Hitachi, Japan · 16101 days ago · 36 km deep · 48 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001prg. Read Tue, Sep 22, 2026, 6:20 AM UTC.