M4.7 earthquake 132 km ESE of Yamada, Japan
A magnitude 4.7 earthquake struck 132 km ESE of Yamada, Japan on Tue, Feb 24, 1981, 5:40 AM JST (20:40 UTC), 29 km (18 mi) below the surface.
A larger quake followed: M5.7 121 km ESE of ?funato, Japan. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.7 (mb), light
- Local time
- UTC
- 1981-02-23 20:40:56 UTC
- Depth
- 28.8 km (17.9 mi), shallow
- Epicenter
- 39.125° N, 143.423° 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
- FROM_LOCATION
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.7 and up: 6 in the 60 days after this one and 3 in the 30 days before it.
After
- 5.7121 km ESE of ?funato, Japan · 16646 days ago · 33 km deep · 85 km away
- 5.0147 km SE of ?funato, Japan · 16645 days ago · 17 km deep · 92 km away
- 4.780 km ESE of ?funato, Japan · 16638 days ago · 55 km deep · 93 km away
- 4.795 km ENE of Miyako, Japan · 16624 days ago · 40 km deep · 89 km away
- 4.5112 km E of Miyako, Japan · 16609 days ago · 24 km deep · 81 km away
- 4.7160 km ESE of ?funato, Japan · 16606 days ago · 37 km deep · 76 km away
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001cbq (also filed as iscgemsup631717). Read Tue, Sep 22, 2026, 8:01 AM UTC.