M4.8 earthquake 137 km E of Yamada, Japan
A magnitude 4.8 earthquake struck 137 km E of Yamada, Japan on Mon, Feb 27, 2017, 11:17 AM JST (02:17 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.9 190 km ESE of Kamaishi, Japan. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.8 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2017-02-27 02:17:34 UTC
- Depth
- 9.6 km (6.0 mi), shallow
- Epicenter
- 39.363° N, 143.545° 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.
- Location uncertainty
- About 8.1 km horizontally, 4.8 km in depth
- Magnitude uncertainty
- ±0.05
- Depth from
- From location
- Station coverage gap
- 134°
- Stations used
- 189
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.8 and up: 9 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.5131 km E of Yamada, Japan · 3506 days ago · 19 km deep · 9 km away
- 4.7182 km E of Yamada, Japan · 3506 days ago · 25 km deep · 47 km away
- 4.8133 km E of Yamada, Japan · 3506 days ago · 25 km deep · 10 km away
- 4.6109 km ENE of Miyako, Japan · 3499 days ago · 32 km deep · 64 km away
- 4.799 km ENE of Miyako, Japan · 3498 days ago · 27 km deep · 67 km away
- 4.4100 km ENE of Miyako, Japan · 3495 days ago · 24 km deep · 68 km away
- 4.6154 km ENE of Miyako, Japan · 3492 days ago · 35 km deep · 96 km away
- 4.9190 km ESE of Kamaishi, Japan · 3488 days ago · 18 km deep · 89 km away
- 4.5125 km E of Yamada, Japan · 3473 days ago · 10 km deep · 13 km away
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us20008mky. Read Sun, Oct 4, 2026, 3:51 PM UTC.