M4.4 earthquake 10 km SSE of Hasaki, Japan
A magnitude 4.4 earthquake struck 10 km SSE of Hasaki, Japan on Mon, Aug 24, 1981, 9:12 AM JST (00:12 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.6 51 km E of ?hara, 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), light
- Local time
- UTC
- 1981-08-24 00:12:23 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 35.647° N, 140.883° 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: 11 in the 60 days after this one and 3 in the 30 days before it.
After
- 3.98 km NNW of Sakura, Japan · 16468 days ago · 76 km deep · 64 km away
- 5.56 km ESE of Hasaki, Japan · 16462 days ago · 58 km deep · 7 km away
- 5.651 km E of ?hara, Japan · 16460 days ago · 44 km deep · 50 km away
- 4.53 km WNW of ?hara, Japan · 16459 days ago · 66 km deep · 64 km away
- 4.284 km SE of Hasaki, Japan · 16451 days ago · 33 km deep · 74 km away
- 4.843 km NE of Hasaki, Japan · 16451 days ago · 39 km deep · 49 km away
- 4.91 km ESE of Ishige, Japan · 16450 days ago · 87 km deep · 96 km away
- 4.674 km SE of Hasaki, Japan · 16449 days ago · 33 km deep · 65 km away
- 4.767 km SSE of Hasaki, Japan · 16437 days ago · 33 km deep · 57 km away
- 4.333 km ESE of Hitachi, Japan · 16433 days ago · 65 km deep · 88 km away
- 5.251 km E of ?hara, Japan · 16430 days ago · 38 km deep · 46 km away
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001ff9. Read Mon, Sep 28, 2026, 4:42 AM UTC.