M4.8 earthquake 68 km NNE of Miyako, Japan
A magnitude 4.8 earthquake struck 68 km NNE of Miyako, Japan on Sun, Jan 28, 2018, 4:43 AM JST (19:43 UTC), 52 km (32 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.8 (Mww, W-phase moment), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-01-27 19:43:30 UTC
- Depth
- 51.7 km (32.1 mi), shallow
- Epicenter
- 40.191° N, 142.319° E
- Region
- Japan
- Felt reports
- 2
- 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 |
|---|---|---|---|
| 4.8 | Mww, W-phase moment | USGS National Earthquake Information Center | Preferred · Reviewed · ±0.117 · 7 stations |
| 5.0 | Mw, moment | ISC-GEM global catalog | Final · ±0.1 |
Did you feel it?
2 people reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.
Fault motion and ground failure
How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.
- Faulting
- Reverse (thrust)
- Moment magnitude
- 4.8 Mww
- Nodal plane 1
- Strike 201°, dip 26°, rake 81°
- Nodal plane 2
- Strike 31°, dip 64°, rake 94°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 6.8 km horizontally, 5.6 km in depth
- Magnitude uncertainty
- ±0.12
- Depth from
- From location
- Station coverage gap
- 133°
- Stations used
- 213
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.8 and up: 2 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.4116 km E of Hachinohe, Japan · 3172 days ago · 35 km deep · 65 km away
- 4.890 km ENE of Misawa, Japan · 3171 days ago · 50 km deep · 93 km away · felt by 2
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000cqfs (also filed as iscgem611661623). Read Mon, Oct 5, 2026, 1:57 PM UTC.