NOAA NTWC
Tsunami situation after M5.0: 45 miles SE of Sand Point, Alaska
Information
QuakeMap24 is not a warning authority. Follow instructions from the responsible local authorities for protective action.
Key facts
- Magnitude
- M5.0
- Depth · NOAA NTWC
- 51.0 km
- Event time
- Oct 20, 2026, 10:40 AM UTC
- First bulletin
- Oct 20, 2026, 10:45 AM UTC
- Latest bulletin
- Oct 20, 2026, 10:45 AM UTC
- Bulletins
- 1
Situation map
Official alert areas are not modelled inundation zones. The source country identifies the earthquake, not necessarily an affected coastline. Historical events and monitoring stations can be toggled separately.
Arrival times at coastal locations
The warning centre published no arrival times for coastal locations for this bulletin.
Measured waves at tide gauges
Own analysis, not officialNo tide gauge analysis is available for this event (only for stronger earthquakes or alert levels).
Bulletin timeline
Area reported by source
45 miles SE of Sand Point, Alaska
- Information NOAA NTWC
Valid until:
Original authority text
Original source language; no automatic translation.
This is a Tsunami Information Statement.
This is a Tsunami Information Statement. - Event details: Preliminary magnitude 5.0 (Ml) earthquake / Lat: 54.634, Lon: -160.218 at 2026-10-20T10:40:41 UTC An information statement indicates that an earthquake has occurred, but does not pose a tsunami threat, or that a tsunami warning, advisory, or watch has been issued for another section of the ocean.
There is NO tsunami danger from this earthquake. This will be the only U.S. National Tsunami Warning Center message issued for this event unless additional information becomes available. The location and magnitude are based on preliminary information. Further information will be issued by the United States Geological Survey (earthquake.usgs.gov) or the appropriate regional seismic network.
Official source ↗
Historical tsunamis in the region
- Unimak Island, Ak United States · Apr 1, 1946, 12:29 PM UTC · 42.0 m · 213 km
- Cook Inlet, Ak United States · Oct 6, 1883, 7:04 PM UTC · 9.14 m · 671 km
- Sand Point, Ak United States · Jul 16, 2023, 6:48 AM UTC · 0.15 m · 40 km
- Shumagin Islands, Ak United States · Aug 6, 1788 · 88.0 m · 65 km
- Pedersen Lagoon, Ak United States · Aug 7, 2024, 12:54 PM UTC · 62.0 m · 855 km
- Alaska Peninsula, Ak United States · Jul 21, 1788 · 30.0 m · 522 km