Calamity
LowEarthquakesCalamity Score: 13

Earthquakes 44 km WNW of Ishigaki, Japan

JapanUSGS

Right now

The most recent data we hold from USGS arrived 63 minutes 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 USGS 127 days ago.

It is one of only 4 we have recorded within 20 km of this point since 9 May 2026. Another comparable one was recorded here earlier the same day. One more was recorded here in the fortnight before it.

What the source measured

USGS reported: 44 km WNW of Ishigaki, Japan

USGS recorded magnitude 4.6 at a depth of 35 km.

Nearby, since 9 May 2026

How we know

Confirmed by 2 independent sources, including USGS.

Our own score for this event is 13 out of 100, at 63 % 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
SeverityLow
Calamity Score (ours)13 / 100
Our confidence63%
Coordinates24.5387, 123.7707
Timestamp2026-05-09T16:18:52.053Z
Sourcehttps://earthquake.usgs.gov/earthquakes/eventpage/us6000swhc

Score Breakdown

12
intensity
0
population
0
cascading
80
historical

Technical Details

Mag4.6
Depth35.45
Tsunamifalse
Sig326
Emsc Mag4.6
Emsc Depth35.4
Emsc MagTypemw
Emsc RegionSOUTHWESTERN RYUKYU ISL., JAPAN
Emsc AuthNEIC
Emsc SourceId1992176
MergedSources[{"id":"emsc_20260509_0000257","source":"emsc","severity":"low","severityValue":27.599999999999998,"timestamp":1778343532053,"latitude":24.5387,"longitude":123.7707}]

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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