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M5.5 Earthquake
◍ 57 km E of Mutsu, Japan · · updated 8/1/2026, 11:29:57 AM
Severity score
65/100
Confidence
High
Why this matters
Aftershock sequence may follow a mainshock of this size.
Key stats
Magnitude
5.5
Depth
82 km
Timeline
- M5.5 recorded8/1/2026, 2:48:01 AM57 km E of Mutsu, Japan
Sources & attribution
ScientificUSGS Earthquake Hazardsupdated 8/1/2026, 11:29:57 AM
⚠This is an informational severity score, not an official warning. Follow guidance from NWS/NOAA, FEMA (ready.gov), and local emergency management.