M5.1 earthquake 67 km SE of Obihiro, Japan
A magnitude 5.1 earthquake struck 67 km SE of Obihiro, Japan on Sat, Aug 8, 1981, 12:18 PM JST (03:18 UTC), 87 km (54 mi) below the surface.
A larger quake followed: M5.3 126 km SSE of Obihiro, Japan. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.1 (mb), moderate
- Local time
- UTC
- 1981-08-08 03:18:21 UTC
- Depth
- 87.2 km (54.2 mi), intermediate-depth
- Epicenter
- 42.496° N, 143.795° 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 2.1 and up: 4 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.919 km S of Obihiro, Japan · 16454 days ago · 111 km deep · 55 km away
- 5.3126 km SSE of Obihiro, Japan · 16442 days ago · 34 km deep · 70 km away
- 4.968 km ESE of Shizunai-furukawach?, Japan · 16436 days ago · 52 km deep · 59 km away
- 4.455 km E of Shizunai-furukawach?, Japan · 16433 days ago · 62 km deep · 64 km away
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001f5u. Read Wed, Sep 30, 2026, 11:35 AM UTC.