M4.6 earthquake 44 km E of Takanabe, Japan
A magnitude 4.6 earthquake struck 44 km E of Takanabe, Japan on Fri, Mar 20, 1987, 2:58 AM JST (17:58 UTC), 61 km (38 mi) below the surface.
A larger quake followed: M5.2 41 km ESE of Takanabe, 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
- 1987-03-19 17:58:14 UTC
- Depth
- 61.2 km (38.0 mi), shallow
- Epicenter
- 32.074° N, 131.970° 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: 3 in the 60 days after this one and 3 in the 30 days before it.
After
- 5.241 km ESE of Takanabe, Japan · 14428 days ago · 50 km deep · 13 km away
- 4.874 km SE of Nichinan, Japan · 14409 days ago · 5 km deep · 96 km away
- 4.652 km SE of Saiki, Japan · 14390 days ago · 57 km deep · 62 km away
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00033f0. Read Tue, Sep 22, 2026, 12:16 PM UTC.