Earthquake Detailed Report – 4/20
At around 4:52pm, an earthquake with a magnitude of 7.4 occurred offshore Sanriku at a depth of 10km. The maximum intensity was 5+. Tsunami warnings/advisories have been issued. #earthquake
Tsunami Warning – 4/20, 4:55pm
A Tsunami Warning has been issued. Waves of up to 3m are expected. Those near coastal areas, rivers, or lakes should evacuate to higher ground immediately. #tsunami