M4.6 earthquake 39 km ESE of Hakodate, Japan
A magnitude 4.6 earthquake struck 39 km ESE of Hakodate, Japan on Fri, May 26, 1978, 7:19 PM JST (10:19 UTC), 140 km (87 mi) below the surface.
A larger quake followed: M4.7 29 km S of Mutsu, 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
- 1978-05-26 10:19:34 UTC
- Depth
- 140.0 km (87.0 mi), intermediate-depth
- Epicenter
- 41.667° N, 141.185° 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
- 60
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 1 in the 60 days after this one and 2 in the 30 days before it.
After
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000uru. Read Tue, Sep 22, 2026, 5:50 AM UTC.