Message: AK/BC/US West Coast Informational #1
Issued Mon Apr 20 08:05:01 UTC 2026

No Tsunami Warning, Advisory, Watch, or Threat

Earthquake:

Magnitude: 7.4 Origin Time:
Depth: 6 mi. Lat: 39.9° N Lon: 143.3° E
Location: off the east coast of Honshu, Japan

Note: Times are local to your browser, unless otherwise indicatedSee the map or table below for more information

Alerts/Threats

Earthquakes

Previous 40 Messages

Observations

Forecasts

Water-Level Stations

DART Systems

Warning

Advisory

Watch

Threat

Earthquake

Travel Time Map

Message: AK/BC/US West Coast Informational #1Issued Mon Apr 20 08:05:01 UTC 2026