Skip to content

NOAA NCTR research product
Not an official forecast

The Okushiri tsunami was generated by a Mw 7.7 (HRV) earthquake (42.851°N 139.197°E), at 13:17 UTC, near Hokkaido, Japan (according to the USGS). Results shown below were created with the NOAA MOST tsunami model.

For media inquiries:

PMEL and NOAA contacts

When using information from this page, please credit NOAA / PMEL / Center for Tsunami Research