M4.5 earthquake 19 km E of Atami, Japan
A magnitude 4.5 earthquake struck 19 km E of Atami, Japan on Sat, Dec 12, 1987, 11:27 PM JST (14:27 UTC), 45 km (28 mi) below the surface.
A larger quake followed: M6.7 10 km SW of Mobara, Japan. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.5 (mb), light
- Local time
- UTC
- 1987-12-12 14:27:35 UTC
- Depth
- 44.8 km (27.8 mi), shallow
- Epicenter
- 35.086° N, 139.272° 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 1.5 and up: 4 in the 60 days after this one and 2 in the 30 days before it.
After
- 6.710 km SW of Mobara, Japan · 14159 days ago · 63 km deep · 91 km away
- 5.1near the east coast of Honshu, Japan · 14129 days ago · 48 km deep · 99 km away
- 4.61 km NNE of Fujisawa, Japan · 14118 days ago · 131 km deep · 36 km away
- 4.927 km SE of Tateyama, Japan · 14111 days ago · 88 km deep · 79 km away
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0003b7s. Read Tue, Sep 22, 2026, 10:53 AM UTC.