M4.7 earthquake 178 km SSE of Koshima, Japan
A magnitude 4.7 earthquake struck 178 km SSE of Koshima, Japan on Wed, Jul 15, 1987, 8:05 PM JST (11:05 UTC), 33 km (21 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.7 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1987-07-15 11:05:28 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 28.766° N, 131.301° 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 1.7 and up: 3 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.3109 km S of Koshima, Japan · 14325 days ago · 39 km deep · 81 km away
- 4.5101 km S of Koshima, Japan · 14322 days ago · 33 km deep · 87 km away
- 3.9141 km SSE of Koshima, Japan · 14321 days ago · 33 km deep · 39 km away
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00036nv. Read Sat, Oct 3, 2026, 10:53 PM UTC.