M4.6 earthquake 27 km ESE of It?, Japan
A magnitude 4.6 earthquake struck 27 km ESE of It?, Japan on Mon, May 11, 1987, 6:35 AM JST (21:35 UTC), 27 km (17 mi) below the surface.
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
- 1987-05-10 21:35:17 UTC
- Depth
- 27.2 km (16.9 mi), shallow
- Epicenter
- 34.851° N, 139.353° 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: 2 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.625 km ESE of It?, Japan · 14379 days ago · 31 km deep · 2 km away
- 4.130 km SW of Tateyama, Japan · 14333 days ago · 128 km deep · 24 km away
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00034wk. Read Tue, Sep 22, 2026, 3:59 PM UTC.