M4.6 earthquake 2 km NNW of Sakai, Japan
A magnitude 4.6 earthquake struck 2 km NNW of Sakai, Japan on Wed, Feb 11, 1987, 2:51 AM JST (17:51 UTC), 73 km (45 mi) below the surface.
A larger quake followed: M4.7 3 km NNE of Kasukabe, 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
- 1987-02-10 17:51:45 UTC
- Depth
- 73.0 km (45.4 mi), intermediate-depth
- Epicenter
- 36.121° N, 139.788° 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 1.6 and up: 4 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.73 km NNE of Kasukabe, Japan · 14458 days ago · 97 km deep · 12 km away
- 5.110 km E of Funaishikawa, Japan · 14441 days ago · 81 km deep · 90 km away
- 4.911 km NNW of Hasaki, Japan · 14411 days ago · 65 km deep · 95 km away
- 5.11 km SSW of Satte, Japan · 14410 days ago · 70 km deep · 9 km away
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00032cd. Read Tue, Sep 22, 2026, 10:53 AM UTC.