M4.4 earthquake 49 km SE of Hasaki, Japan
A magnitude 4.4 earthquake struck 49 km SE of Hasaki, Japan on Sat, Oct 24, 1981, 5:20 AM JST (20:20 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.5 4 km ENE of Yotsukaid?, Japan. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.4 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1981-10-23 20:20:05 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 35.441° N, 141.247° 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
- OPERATOR_ASSIGNED
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.43 km NE of Yotsukaid?, Japan · 16385 days ago · 86 km deep · 98 km away
- 4.54 km ENE of Yotsukaid?, Japan · 16376 days ago · 73 km deep · 97 km away
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001gn0. Read Fri, Oct 2, 2026, 8:51 PM UTC.