M4.0 earthquake 12 km W of Kitaibaraki, Japan
A magnitude 4.0 earthquake struck 12 km W of Kitaibaraki, Japan on Sat, Apr 1, 2017, 8:28 PM JST (11:28 UTC), 35 km (22 mi) below the surface.
A larger quake followed: M4.8 7 km WSW of Ishioka, Japan. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.0 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2017-04-01 11:28:33 UTC
- Depth
- 34.7 km (21.6 mi), shallow
- Epicenter
- 36.801° N, 140.608° E
- Region
- Japan
- Felt reports
- 5
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
5 people reported to the USGS what they felt; the strongest reported shaking was IV, light shaking.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 8.2 km horizontally, 4.8 km in depth
- Magnitude uncertainty
- ±0.21
- Depth from
- From location
- Station coverage gap
- 167°
- Stations used
- 20
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 5 in the 30 days before it.
After
- 4.87 km WSW of Ishioka, Japan · 3463 days ago · 63 km deep · 81 km away · felt by 81
- 4.610 km NW of Takahagi, Japan · 3456 days ago · 24 km deep · 3 km away · felt by 8
- 4.44 km NW of Takahagi, Japan · 3455 days ago · 10 km deep · 9 km away · felt by 6
- 4.433 km ENE of Iwaki, Japan · 3452 days ago · 39 km deep · 69 km away · felt by 1
- 4.26 km NNW of Motegi, Japan · 3444 days ago · 116 km deep · 47 km away
- 4.246 km ESE of Namie, Japan · 3436 days ago · 22 km deep · 96 km away
- 4.442 km SE of Namie, Japan · 3436 days ago · 35 km deep · 85 km away
Before
- 4.419 km N of Daigo, Japan · 3479 days ago · 57 km deep · 29 km away
- 4.126 km ESE of Kitaibaraki, Japan · 3484 days ago · 47 km deep · 39 km away · felt by 2
- 4.57 km WNW of Itako, Japan · 3489 days ago · 56 km deep · 93 km away · felt by 5
- 4.345 km SE of Namie, Japan · 3494 days ago · 35 km deep · 82 km away
- 4.640 km SE of Namie, Japan · 3501 days ago · 14 km deep · 81 km away · felt by 2
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us10008dsx. Read Mon, Oct 5, 2026, 5:39 AM UTC.