Calamity
MediumEarthquakesCalamity Score: 22

Earthquakes in Southeast of Honshu, Japan

GFZ

Right now

The most recent data we hold from GFZ arrived 12 hours ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.

Nothing else has been detected within 20 km in the last 24 hours.

Reported by GFZ 103 days ago.

No stronger detection stands among the 5 recorded within 20 km of this point since 1 June 2026 — one other scored the same.

What the source measured

GFZ reported: Southeast of Honshu, Japan

GFZ recorded magnitude 5.7 at a depth of 10 km.

The seismic region given by the source is Southeast of Honshu, Japan.

Nearby, since 1 June 2026

How we know

Confirmed by 2 independent sources, including GFZ.

Our own score for this event is 22 out of 100, at 67 % confidence.

The score is ours, computed from intensity, exposed population and local history — not the source’s.

Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.

Event Data

TypeEarthquakes
SeverityMedium
Calamity Score (ours)22 / 100
Our confidence67%
Coordinates30.6910, 141.6630
Nearest CityTateyama (505 km)
Impact Tierminor
Timestamp2026-06-01T01:34:31.280Z
Sourcehttps://geofon.gfz-potsdam.de/eqinfo/event.php?id=gfz2026kqeb

Score Breakdown

34
intensity
0
population
0
cascading
80
historical

Technical Details

Mag5.72
Depth10
MagTypeMw
RegionSoutheast of Honshu, Japan
Ingv Mag5.9
Ingv Depth11.7
Ingv MagTypeMwp
Ingv AuthorSURVEY-INGV-A
Ingv RegionSoutheast of Honshu, Japan [Sea: Japan]
MergedSources[{"id":"ingv_46097902","source":"ingv","severity":"medium","severityValue":47.2,"timestamp":1780277671353,"latitude":30.7055,"longitude":142.011}]

Safety Information

If you feel shaking: Drop, Cover, and Hold On. Move away from windows, heavy objects, and exterior walls. After shaking stops, check for injuries and structural damage. Be prepared for aftershocks, which can occur minutes to months after the mainshock. Follow instructions from local emergency management authorities.

Series begins 8 March 2026. Comparisons refer to that period only. Collection gap: 14-26 August 2026.

This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.

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