M4.1 earthquake 6 km ESE of Narut?, Japan
A magnitude 4.1 earthquake struck 6 km ESE of Narut?, Japan on Tue, Jul 28, 1981, 2:17 AM JST (17:17 UTC), 75 km (47 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
- 4.1 (mb), light
- Local time
- UTC
- 1981-07-27 17:17:59 UTC
- Depth
- 75.2 km (46.7 mi), intermediate-depth
- Epicenter
- 35.580° N, 140.480° 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.
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.410 km SSE of Hasaki, Japan · 16471 days ago · 33 km deep · 37 km away
- 3.98 km NNW of Sakura, Japan · 16468 days ago · 76 km deep · 35 km away
- 5.56 km ESE of Hasaki, Japan · 16462 days ago · 58 km deep · 40 km away
- 5.651 km E of ?hara, Japan · 16461 days ago · 44 km deep · 60 km away
- 4.53 km WNW of ?hara, Japan · 16459 days ago · 66 km deep · 37 km away
- 4.284 km SE of Hasaki, Japan · 16452 days ago · 33 km deep · 97 km away
- 4.843 km NE of Hasaki, Japan · 16451 days ago · 39 km deep · 78 km away
- 4.91 km ESE of Ishige, Japan · 16451 days ago · 87 km deep · 74 km away
- 4.674 km SE of Hasaki, Japan · 16450 days ago · 33 km deep · 92 km away
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001eys. Read Mon, Sep 28, 2026, 8:48 AM UTC.