M4.6 earthquake 65 km SSE of Obihiro, Japan
A magnitude 4.6 earthquake struck 65 km SSE of Obihiro, Japan on Tue, May 2, 1978, 10:40 AM JST (01:40 UTC), 95 km (59 mi) below the surface.
A larger quake followed: M4.9 48 km ESE 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
- 4.6 (mb), light
- Local time
- UTC
- 1978-05-02 01:40:57 UTC
- Depth
- 95.0 km (59.0 mi), intermediate-depth
- Epicenter
- 42.338° N, 143.367° 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.
- Stations used
- 62
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 2 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000uc3. Read Tue, Sep 22, 2026, 7:26 AM UTC.