M5.1 earthquake 3 km SSE of Honch?, Japan
A magnitude 5.1 earthquake struck 3 km SSE of Honch?, Japan on Fri, Apr 17, 1987, 4:33 PM JST (07:33 UTC), 81 km (50 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.1 (mw), moderate
- Local time
- UTC
- 1987-04-17 07:33:41 UTC
- Depth
- 80.5 km (50.0 mi), intermediate-depth
- Epicenter
- 35.672° N, 139.997° 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 2.1 and up: 5 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.926 km SE of Narut?, Japan · 14389 days ago · 74 km deep · 64 km away
- 4.74 km SSE of Omigawa, Japan · 14373 days ago · 68 km deep · 60 km away
- 4.44 km W of Noda, Japan · 14355 days ago · 93 km deep · 34 km away
- 4.16 km SSW of Tsukuba, Japan · 14348 days ago · 66 km deep · 54 km away
- 4.64 km SE of Chiba, Japan · 14344 days ago · 74 km deep · 18 km away
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000347y (also filed as gcmtb041787d, gcmt19870417073341, iscgem469376). Read Tue, Sep 22, 2026, 9:16 AM UTC.