M8.1 earthquake 1952 Tokachi-Oki Earthquake
A magnitude 8.1 earthquake struck 1952 Tokachi-Oki Earthquake on Tue, Mar 4, 1952, 10:22 AM JST (01:22 UTC), 45 km (28 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 8.1 (mw), great
- Local time
- UTC
- 1952-03-04 01:22:49 UTC
- Depth
- 45.0 km (28.0 mi), shallow
- Epicenter
- 42.084° N, 143.899° E
- Region
- Japan
- Strongest shaking
- VII, very strong shaking
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- VII, very strong shaking
- Peak ground acceleration
- 23.9% of gravity
- Peak ground velocity
- 3.5 cm/s
- Map
- Automatic
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
- ±0.30
- 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: 5 in the 60 days after this one and 0 in the 30 days before it.
After
- 6.9110 km ESE of Shizunai-furukawach?, Japan · 27225 days ago · 50 km deep · 42 km away
- 6.0Hokkaido, Japan region · 27223 days ago · 28 km deep · 48 km away
- 5.7145 km SSW of Kushiro, Japan · 27218 days ago · 31 km deep · 45 km away
- 6.065 km SE of Shizunai-furukawach?, Japan · 27188 days ago · 57 km deep · 80 km away
- 6.250 km SE of Shizunai-furukawach?, Japan · 27175 days ago · 65 km deep · 98 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem892540. Read Tue, Sep 22, 2026, 4:01 PM UTC.