M4.9 earthquake 187 km ENE of Miyako, Japan
A magnitude 4.9 earthquake struck 187 km ENE of Miyako, Japan on Sun, Dec 4, 2016, 4:05 PM JST (07:05 UTC), 19 km (12 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.9 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2016-12-04 07:05:15 UTC
- Depth
- 19.0 km (11.8 mi), shallow
- Epicenter
- 40.272° N, 143.980° E
- Region
- Japan
- Felt reports
- 1
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Magnitude estimates
Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.
| Mag. | Scale | Computed by | Notes |
|---|---|---|---|
| 4.9 | mb, body-wave | USGS National Earthquake Information Center | Preferred · Reviewed · ±0.061 · 83 stations |
| 4.99 | Mw, moment | ISC-GEM global catalog | Final · ±0.1 |
What happened
The USGS’s account of the effects of this earthquake.
Felt at Misawa.
From the USGS event page for us10007es4. U.S. Geological Survey text and figures are in the public domain.
Did you feel it?
1 person reported to the USGS what they felt; the strongest reported shaking was I, not felt shaking.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 7.6 km horizontally, 5.1 km in depth
- Magnitude uncertainty
- ±0.06
- Depth from
- From location
- Station coverage gap
- 136°
- Stations used
- 79
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 and up: 4 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.4105 km E of Miyako, Japan · 3570 days ago · 19 km deep · 89 km away · felt by 1
- 4.3189 km ENE of Miyako, Japan · 3548 days ago · 23 km deep · 16 km away
- 4.3134 km NE of Miyako, Japan · 3540 days ago · 36 km deep · 72 km away
- 4.7129 km NE of Miyako, Japan · 3540 days ago · 25 km deep · 73 km away
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us10007es4 (also filed as iscgem609824122). Read Sun, Oct 4, 2026, 2:55 PM UTC.