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3.9

Southern Ibaraki Prefecture

· 6 days ago

Magnitude
3.9 MJ
Depth
50.0 km
UTC
1 Oct 2026, 21:01:41
Coordinates
36.100°N 139.900°E
Preferred source
Source: Japan Meteorological Agency website (jma.go.jp), processed by Deprem
Sources
JMA, EMSC
Felt reports
0
Revision
Automatic solution
Nearest active fault
~26 km, reverse (Ayasegawa)GEM Global Active Faults (Styron & Pagani 2020), CC BY-SA 4.0

Expected intensity

Southern Ibaraki PrefectureNatural Earth

Rings show the expected Modified Mercalli (MMI) intensity from the Akkar–Sandıkkaya–Bommer (2014) ground-motion model converted with Worden et al. (2012). Real shaking depends on soil and building.

Felt reports

No reports yet.

Did you feel it? Report

Source comparison

Latest solution of each source. Differences are to the preferred solution.

SourceMagnitudeTimeΔ timeDepthΔ locationPlace
EMSC3.9M+41.7 s65.0 km13.6 kmEASTERN HONSHU, JAPAN
JMA ★3.9MJ—50.0 km—Southern Ibaraki Prefecture
Revision history (1)
SourceMagnitudeTimeDepthCoordinatesReceived
EMSC3.9M50.0 km36.100°N 139.900°E

Aftershocks

Earthquakes within 10 km of the epicentre in the first 30 days.

No aftershocks recorded yet.