Quakes · tsunami
A magnitude 6.5 earthquake strikes 165 km west of Nikolski, Alaska, at depth 112 km on 26 September, prompting a tsunami message.
USGS-US7000TI1P
- issued
- 2026-09-17 14:19Z
- status
- in force
- self-cancels
- 2026-09-20 14:19Z
- authority
- USGS NEIC
- sea
- Bering Sea
- position
- 52.765, -171.295
- nearest port
- Kodiak · 710 nm
- source
- usgs · first seen 2026-09-17 18:18Z
Original warning text
165 KM W OF NIKOLSKI, ALASKA. 1. EARTHQUAKE MAGNITUDE 6.5 (MWW) IN 52.765N 171.295W, DEPTH 112 KM AT 171419Z SEP 26. 2. A TSUNAMI MESSAGE WAS ISSUED FOR THIS EVENT. FOLLOW THE TSUNAMI WARNING CENTRES. 3. USGS EVENT US7000TI1P. https://earthquake.usgs.gov/earthquakes/eventpage/us7000ti1p
Conditions at the position · now
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MET Norway · NOAA WaveWatch III · HYCOM · GEBCO 2020 · model data at the centroid, not an observation
This area · earthquake & tsunami bulletins
134 within 180 nm since 1997 · 8 in the last 12 months · 1 in force now
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- 100 km s of nikolski, alaska2026-09-03
- 84 km ssw of nikolski, alaska2026-09-03
- 103 km se of atka, alaska2026-07-26
- 172 km ene of atka, alaska2026-05-22
- 92 km s of nikolski, alaska2026-03-05
- 93 km sw of nikolski, alaska2026-02-23
Season · when earthquake & tsunami bulletins happen here
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Nearby now · within 120 nm
Nothing else in force within 120 nm.
Worldwide now
1 earthquake & tsunami bulletins in force · see all
Quakes
Undersea earthquakes of magnitude 5.5 and above (USGS) and the tsunami bulletins NAVAREA coordinators relay. All current earthquake & tsunami bulletins →
Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.