M4.4 earthquake 58 km E of Ishinomaki, Japan
A magnitude 4.4 earthquake struck 58 km E of Ishinomaki, Japan on Sat, Feb 17, 2018, 6:38 AM JST (21:38 UTC), 56 km (35 mi) below the surface.
A larger quake followed: M5.6 65 km E of Namie, 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 (Mwr, regional moment), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-02-16 21:38:46 UTC
- Depth
- 55.8 km (34.7 mi), shallow
- Epicenter
- 38.432° N, 141.970° 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.
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
- 4.4 Mwr
- Nodal plane 1
- Strike 59°, dip 25°, rake 119°
- Nodal plane 2
- Strike 207°, dip 68°, rake 77°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 6.7 km horizontally, 5.4 km in depth
- Magnitude uncertainty
- ±0.07
- Depth from
- From location
- Station coverage gap
- 130°
- Stations used
- 267
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 4 in the 30 days before it.
After
- 5.665 km E of Namie, Japan · 3144 days ago · 31 km deep · 95 km away · felt by 113
- 4.662 km ENE of Namie, Japan · 3142 days ago · 48 km deep · 90 km away · felt by 1
- 4.552 km ESE of Ishinomaki, Japan · 3127 days ago · 41 km deep · 19 km away
- 4.841 km SE of ?funato, Japan · 3119 days ago · 40 km deep · 49 km away · felt by 10
- 4.635 km ESE of Ishinomaki, Japan · 3099 days ago · 52 km deep · 30 km away
- 4.048 km ESE of Ishinomaki, Japan · 3099 days ago · 48 km deep · 24 km away
- 4.956 km E of Ishinomaki, Japan · 3098 days ago · 59 km deep · 7 km away · felt by 6
Before
- 4.320 km ESE of ?tsuchi, Japan · 3167 days ago · 58 km deep · 97 km away
- 4.447 km E of Ishinomaki, Japan · 3170 days ago · 49 km deep · 12 km away
- 4.438 km ESE of Ishinomaki, Japan · 3174 days ago · 58 km deep · 32 km away · felt by 3
- 4.350 km SE of Ishinomaki, Japan · 3177 days ago · 55 km deep · 36 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000d3id. Read Mon, Oct 5, 2026, 10:48 AM UTC.