M 7.8 Earthquake and Tsunami (1 m) in Philippines on 07 Jun 2026 23:37 UTC

2026-06-08 01:44 message from NTWC

Key information extracted from original GTS message :
Evaluation

  • An earthquake with a preliminary magnitude of 7.8 occurred in mindanao PHILIPPINES at 2338 UTC on sunday JUNE 7 2026
  • TSUNAMI waves have been observed
  • Based on all available data hazardous TSUNAMI waves are forecast for some coasts
Threat Forecast

  • TSUNAMI waves reaching 1 to 3 meters above the tide level are possible along some coasts of philippines.
  • TSUNAMI waves reaching 0.3 to 1 meters above the tide level are possible for some coasts of indonesia... and malaysia.
  • TSUNAMI waves are forecast to be less than 0.3 meters above the tide level for the coasts of AMERICAN samoa... chile... chuuk... COSTA rica... ecuador... fiji... FRENCH polynesia... guam... hawaii... howland and baker... japan... johnston atoll... kiribati... kosrae... MARSHALL islands... mexico... midway island... nauru... NEW caledonia... NEW zealand... NORTHERN marianas... northwestern hawaiian islands... palau... palmyra island... PAPUA NEW guinea... peru... pohnpei... russia... samoa... SOLOMON islands... taiwan... tonga... tuvalu... vanuatu... wake island... WALLIS and futuna... and yap.
  • Actual amplitudes at the coast MAY vary from forecast amplitudes due to uncertainties in the forecast and local features. in particular maximum TSUNAMI amplitudes on atolls and at locations with fringing or barrier reefs will likely be much smaller than the forecast indicates.
  • For other areas covered by this product a forecast has not yet been computed. the forecast will be expanded if necessary in subsequent products.
Tsunami Observations

  • The following are tsunami wave observations from coastal and/or deep-ocean sea level gauges at the indicated locations the maximum tsunami height is measured with respect to the normal tide level
GAUGE LOCATIONLATLONTIME (UTC)HEIGHT (m)PERIOD (min)
Malakal Koror Pw7.3134.501: 330.0214
Kamesang Pw7.5134.501: 290.0210
Talengen Sulawesi3.6125.601: 120.8314
Davao Ph7.2125.701: 060.4626
Dart 5240513132.201: 160.0114
Kema Sulawesi Id1.4125.100: 000.0910