4.0

143 km NW of Mikuni, Japan

2026-04-04 15:18:05 UTC (6 hours ago)

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Earthquake Details

Magnitude
4.0 mb
Depth
372.7 km
Deep
Location
37.1142°N
135.0029°E

Technical Information

Event ID
us6000smle
Event Type
earthquake
Status
✓ Reviewed
Significance
246
Stations Used
108
Azimuthal Gap
49.0°
Min Station Distance
2.423°
RMS Residual
0.67 sec
Last Updated
2026-04-04 18:05:17 UTC

Understanding This Data

Magnitude 4.0 earthquakes are often felt but rarely cause damage.

Deep depth (372.7 km): Deep earthquakes are less likely to cause surface damage.

Learn more about magnitude →

Be Prepared

Earthquakes can happen without warning. Make sure you know what to do.