M4.4 earthquake 7 km ESE of Mobara, Japan
A magnitude 4.4 earthquake struck 7 km ESE of Mobara, Japan on Thu, Dec 17, 1987, 9:37 PM JST (12:37 UTC), 57 km (35 mi) below the surface.
A larger quake followed: M4.7 12 km ESE of ?hara, Japan. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.4 (mb), light
- Local time
- UTC
- 1987-12-17 12:37:29 UTC
- Depth
- 57.0 km (35.4 mi), shallow
- Epicenter
- 35.410° N, 140.372° 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
- FROM_LOCATION
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.112 km E of Mobara, Japan · 14159 days ago · 51 km deep · 5 km away
- 4.319 km SE of T?gane, Japan · 14141 days ago · 47 km deep · 13 km away
- 4.417 km NNE of ?hara, Japan · 14138 days ago · 49 km deep · 12 km away
- 4.712 km ESE of ?hara, Japan · 14138 days ago · 36 km deep · 25 km away
- 4.211 km ENE of ?hara, Japan · 14138 days ago · 33 km deep · 17 km away
- 5.1near the east coast of Honshu, Japan · 14129 days ago · 48 km deep · 18 km away
- 4.61 km NNE of Fujisawa, Japan · 14118 days ago · 131 km deep · 81 km away
- 4.927 km SE of Tateyama, Japan · 14111 days ago · 88 km deep · 73 km away
- 5.220 km SSE of Y?kaichiba, Japan · 14102 days ago · 58 km deep · 27 km away
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0003bc2. Read Tue, Sep 22, 2026, 3:56 PM UTC.