VolcanoYT

Disaster Monitoring

Earthquake SOUTHWESTERN RYUKYU ISL., JAPAN

Thu, 20 Aug 2026 18:15:30 GMT

Time4 days ago
Location
24.7000, 125.0000
Depth
30.0 KM

Event Summary

A 3.9 magnitude earthquake struck on SOUTHWESTERN RYUKYU ISL., JAPAN, at Thu, 20 Aug 2026 18:15:30 GMT. Depth: 30km. Reviewed by JMA seismologists, this minor quake occurred at a magnitude type of m.

Magnitude
3.9
m
Map of SOUTHWESTERN RYUKYU ISL., JAPAN
Source
JMA
Intensity
III

Agency Reports

1 Sources
SourceMagnitudeDepthTime
JMAPrimary3.930 km
4 days ago

Earthquake Details

Automatic
Event IDemsc_jma_20260820_0000535
QualityS
Tsunami PotentialNo
Magnitude Typem
Last Update4 days ago

Nearest Places

Possibly felt by: 27.5K

Felt Reports0

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