TSUNAMI INFORMATION NO. 1
NO TSUNAMI THREAT

PRELIMINARY EARTHQUAKE PARAMETERS

Date and Time : 26 Mar 2026 - 10:18:00 PM
Location : 39.5°N, 143.3°E - OFF THE COAST OF SANRIKU, JAPAN
Depth (km) : 10
Magnitude : 6.5

EVALUATION

No destructive tsunami threat exists based on available data. This is for information purposes only and there is no tsunami threat to the Philippines from this earthquake.

RECOMMENDED ACTION

No action required.

Issued on: 26 Mar 2026 - 11:04:48 PM
Issued by: LJAG/GBD/NBA/MAL
IMPORTANT This will be the only tsunami information issued unless additional information becomes available. Always refer to the latest tsunami information posted at the PHIVOLCS official website (https://www.phivolcs.dost.gov.ph/).