Tsunami Alerts (NTWC) from US National Tsunami Warning Center
@tsunamialertsntwc.bsky.social
Tsunami alerts from the NTWC for the continental U.S. and Canada.
US Coast/AK: @tsunamialertsntwc.bsky.social
Pacific/HI: @tsunamialertsptwc.bsky.social
US Coast/AK: @tsunamialertsntwc.bsky.social
Pacific/HI: @tsunamialertsptwc.bsky.social
Geological Survey (earthquake.usgs.gov) or the appropriate
regional seismic network.
* This will be the only U.S. National Tsunami Warning Center
message issued for this event unless additional information
becomes available.
regional seismic network.
* This will be the only U.S. National Tsunami Warning Center
message issued for this event unless additional information
becomes available.
November 9, 2025 at 9:45 AM
Geological Survey (earthquake.usgs.gov) or the appropriate
regional seismic network.
* This will be the only U.S. National Tsunami Warning Center
message issued for this event unless additional information
becomes available.
regional seismic network.
* This will be the only U.S. National Tsunami Warning Center
message issued for this event unless additional information
becomes available.
0937 UTC Nov 09 2025
* Coordinates 51.7 North 171.2 West
* Depth 24 miles
* Location 55 miles SE of Amukta Pass, Alaska
240 miles E of Adak, Alaska
ADDITIONAL INFORMATION AND NEXT UPDATE
---
* Further information will be issued by the United States
* Coordinates 51.7 North 171.2 West
* Depth 24 miles
* Location 55 miles SE of Amukta Pass, Alaska
240 miles E of Adak, Alaska
ADDITIONAL INFORMATION AND NEXT UPDATE
---
* Further information will be issued by the United States
November 9, 2025 at 9:45 AM
0937 UTC Nov 09 2025
* Coordinates 51.7 North 171.2 West
* Depth 24 miles
* Location 55 miles SE of Amukta Pass, Alaska
240 miles E of Adak, Alaska
ADDITIONAL INFORMATION AND NEXT UPDATE
---
* Further information will be issued by the United States
* Coordinates 51.7 North 171.2 West
* Depth 24 miles
* Location 55 miles SE of Amukta Pass, Alaska
240 miles E of Adak, Alaska
ADDITIONAL INFORMATION AND NEXT UPDATE
---
* Further information will be issued by the United States
EVALUATION
---
* There is NO tsunami danger from this earthquake.
PRELIMINARY EARTHQUAKE PARAMETERS
---
* The following parameters are based on a rapid preliminary
assessment of the earthquake and changes may occur.
* Magnitude 5.4
* Origin Time 0037 AKST Nov 09 2025
0137 PST Nov 09 2025
---
* There is NO tsunami danger from this earthquake.
PRELIMINARY EARTHQUAKE PARAMETERS
---
* The following parameters are based on a rapid preliminary
assessment of the earthquake and changes may occur.
* Magnitude 5.4
* Origin Time 0037 AKST Nov 09 2025
0137 PST Nov 09 2025
November 9, 2025 at 9:45 AM
EVALUATION
---
* There is NO tsunami danger from this earthquake.
PRELIMINARY EARTHQUAKE PARAMETERS
---
* The following parameters are based on a rapid preliminary
assessment of the earthquake and changes may occur.
* Magnitude 5.4
* Origin Time 0037 AKST Nov 09 2025
0137 PST Nov 09 2025
---
* There is NO tsunami danger from this earthquake.
PRELIMINARY EARTHQUAKE PARAMETERS
---
* The following parameters are based on a rapid preliminary
assessment of the earthquake and changes may occur.
* Magnitude 5.4
* Origin Time 0037 AKST Nov 09 2025
0137 PST Nov 09 2025
British Columbia, and Alaska should refer to the Pacific Tsunami
Warning Center messages at tsunami.gov.
* This will be the only U.S. National Tsunami Warning Center
message issued for this event unless additional information
becomes available.
Warning Center messages at tsunami.gov.
* This will be the only U.S. National Tsunami Warning Center
message issued for this event unless additional information
becomes available.
November 9, 2025 at 8:19 AM
British Columbia, and Alaska should refer to the Pacific Tsunami
Warning Center messages at tsunami.gov.
* This will be the only U.S. National Tsunami Warning Center
message issued for this event unless additional information
becomes available.
Warning Center messages at tsunami.gov.
* This will be the only U.S. National Tsunami Warning Center
message issued for this event unless additional information
becomes available.
* Depth 6 miles
* Location off the east coast of Honshu, Japan
ADDITIONAL INFORMATION AND NEXT UPDATE
---
* Refer to the internet site tsunami.gov for more information.
* Pacific coastal regions outside California, Oregon, Washington,
* Location off the east coast of Honshu, Japan
ADDITIONAL INFORMATION AND NEXT UPDATE
---
* Refer to the internet site tsunami.gov for more information.
* Pacific coastal regions outside California, Oregon, Washington,
November 9, 2025 at 8:19 AM
* Depth 6 miles
* Location off the east coast of Honshu, Japan
ADDITIONAL INFORMATION AND NEXT UPDATE
---
* Refer to the internet site tsunami.gov for more information.
* Pacific coastal regions outside California, Oregon, Washington,
* Location off the east coast of Honshu, Japan
ADDITIONAL INFORMATION AND NEXT UPDATE
---
* Refer to the internet site tsunami.gov for more information.
* Pacific coastal regions outside California, Oregon, Washington,
PRELIMINARY EARTHQUAKE PARAMETERS
---
* The following parameters are based on a rapid preliminary
assessment of the earthquake and changes may occur.
* Magnitude 6.7
* Origin Time 2304 AKST Nov 08 2025
0004 PST Nov 09 2025
0804 UTC Nov 09 2025
* Coordinates 39.4 North 143.5 East
---
* The following parameters are based on a rapid preliminary
assessment of the earthquake and changes may occur.
* Magnitude 6.7
* Origin Time 2304 AKST Nov 08 2025
0004 PST Nov 09 2025
0804 UTC Nov 09 2025
* Coordinates 39.4 North 143.5 East
November 9, 2025 at 8:19 AM
PRELIMINARY EARTHQUAKE PARAMETERS
---
* The following parameters are based on a rapid preliminary
assessment of the earthquake and changes may occur.
* Magnitude 6.7
* Origin Time 2304 AKST Nov 08 2025
0004 PST Nov 09 2025
0804 UTC Nov 09 2025
* Coordinates 39.4 North 143.5 East
---
* The following parameters are based on a rapid preliminary
assessment of the earthquake and changes may occur.
* Magnitude 6.7
* Origin Time 2304 AKST Nov 08 2025
0004 PST Nov 09 2025
0804 UTC Nov 09 2025
* Coordinates 39.4 North 143.5 East
EVALUATION
---
* There is no tsunami danger for the U.S. West Coast, British
Columbia, or Alaska.
* Based on earthquake information and historic tsunami records,
the earthquake is not expected to generate a tsunami.
* An earthquake has occurred with parameters listed below.
---
* There is no tsunami danger for the U.S. West Coast, British
Columbia, or Alaska.
* Based on earthquake information and historic tsunami records,
the earthquake is not expected to generate a tsunami.
* An earthquake has occurred with parameters listed below.
November 9, 2025 at 8:19 AM
EVALUATION
---
* There is no tsunami danger for the U.S. West Coast, British
Columbia, or Alaska.
* Based on earthquake information and historic tsunami records,
the earthquake is not expected to generate a tsunami.
* An earthquake has occurred with parameters listed below.
---
* There is no tsunami danger for the U.S. West Coast, British
Columbia, or Alaska.
* Based on earthquake information and historic tsunami records,
the earthquake is not expected to generate a tsunami.
* An earthquake has occurred with parameters listed below.
. Based on earthquake Info and historic tsunami records, the earthquake is not expected to generate a tsunami. This will be the only U.S. National Tsunami Warning Center message for this event unless additional Info becomes available. Refer to the internet site tsunami.gov for more Info.
November 9, 2025 at 8:19 AM
. Based on earthquake Info and historic tsunami records, the earthquake is not expected to generate a tsunami. This will be the only U.S. National Tsunami Warning Center message for this event unless additional Info becomes available. Refer to the internet site tsunami.gov for more Info.
Geological Survey (earthquake.usgs.gov) or the appropriate
regional seismic network.
* This will be the only U.S. National Tsunami Warning Center
message issued for this event unless additional information
becomes available.
regional seismic network.
* This will be the only U.S. National Tsunami Warning Center
message issued for this event unless additional information
becomes available.
November 4, 2025 at 6:31 AM
Geological Survey (earthquake.usgs.gov) or the appropriate
regional seismic network.
* This will be the only U.S. National Tsunami Warning Center
message issued for this event unless additional information
becomes available.
regional seismic network.
* This will be the only U.S. National Tsunami Warning Center
message issued for this event unless additional information
becomes available.
0626 UTC Nov 04 2025
* Coordinates 66.6 North 162.3 West
* Depth 12 miles
* Location 20 miles SE of Kotzebue, Alaska
170 miles NE of Nome, Alaska
ADDITIONAL INFORMATION AND NEXT UPDATE
---
* Further information will be issued by the United States
* Coordinates 66.6 North 162.3 West
* Depth 12 miles
* Location 20 miles SE of Kotzebue, Alaska
170 miles NE of Nome, Alaska
ADDITIONAL INFORMATION AND NEXT UPDATE
---
* Further information will be issued by the United States
November 4, 2025 at 6:31 AM
0626 UTC Nov 04 2025
* Coordinates 66.6 North 162.3 West
* Depth 12 miles
* Location 20 miles SE of Kotzebue, Alaska
170 miles NE of Nome, Alaska
ADDITIONAL INFORMATION AND NEXT UPDATE
---
* Further information will be issued by the United States
* Coordinates 66.6 North 162.3 West
* Depth 12 miles
* Location 20 miles SE of Kotzebue, Alaska
170 miles NE of Nome, Alaska
ADDITIONAL INFORMATION AND NEXT UPDATE
---
* Further information will be issued by the United States
EVALUATION
---
* There is NO tsunami danger from this earthquake.
PRELIMINARY EARTHQUAKE PARAMETERS
---
* The following parameters are based on a rapid preliminary
assessment of the earthquake and changes may occur.
* Magnitude 4.1
* Origin Time 2126 AKST Nov 03 2025
2226 PST Nov 03 2025
---
* There is NO tsunami danger from this earthquake.
PRELIMINARY EARTHQUAKE PARAMETERS
---
* The following parameters are based on a rapid preliminary
assessment of the earthquake and changes may occur.
* Magnitude 4.1
* Origin Time 2126 AKST Nov 03 2025
2226 PST Nov 03 2025
November 4, 2025 at 6:31 AM
EVALUATION
---
* There is NO tsunami danger from this earthquake.
PRELIMINARY EARTHQUAKE PARAMETERS
---
* The following parameters are based on a rapid preliminary
assessment of the earthquake and changes may occur.
* Magnitude 4.1
* Origin Time 2126 AKST Nov 03 2025
2226 PST Nov 03 2025
---
* There is NO tsunami danger from this earthquake.
PRELIMINARY EARTHQUAKE PARAMETERS
---
* The following parameters are based on a rapid preliminary
assessment of the earthquake and changes may occur.
* Magnitude 4.1
* Origin Time 2126 AKST Nov 03 2025
2226 PST Nov 03 2025
Geological Survey (earthquake.usgs.gov) or the appropriate
regional seismic network.
* This will be the only U.S. National Tsunami Warning Center
message issued for this event unless additional information
becomes available.
regional seismic network.
* This will be the only U.S. National Tsunami Warning Center
message issued for this event unless additional information
becomes available.
October 30, 2025 at 5:37 PM
Geological Survey (earthquake.usgs.gov) or the appropriate
regional seismic network.
* This will be the only U.S. National Tsunami Warning Center
message issued for this event unless additional information
becomes available.
regional seismic network.
* This will be the only U.S. National Tsunami Warning Center
message issued for this event unless additional information
becomes available.
1733 UTC Oct 30 2025
* Coordinates 59.6 North 150.2 West
* Depth 16 miles
* Location 45 miles E of Homer, Alaska
110 miles S of Anchorage, Alaska
ADDITIONAL INFORMATION AND NEXT UPDATE
---
* Further information will be issued by the United States
* Coordinates 59.6 North 150.2 West
* Depth 16 miles
* Location 45 miles E of Homer, Alaska
110 miles S of Anchorage, Alaska
ADDITIONAL INFORMATION AND NEXT UPDATE
---
* Further information will be issued by the United States
October 30, 2025 at 5:37 PM
1733 UTC Oct 30 2025
* Coordinates 59.6 North 150.2 West
* Depth 16 miles
* Location 45 miles E of Homer, Alaska
110 miles S of Anchorage, Alaska
ADDITIONAL INFORMATION AND NEXT UPDATE
---
* Further information will be issued by the United States
* Coordinates 59.6 North 150.2 West
* Depth 16 miles
* Location 45 miles E of Homer, Alaska
110 miles S of Anchorage, Alaska
ADDITIONAL INFORMATION AND NEXT UPDATE
---
* Further information will be issued by the United States
EVALUATION
---
* There is NO tsunami danger from this earthquake.
PRELIMINARY EARTHQUAKE PARAMETERS
---
* The following parameters are based on a rapid preliminary
assessment of the earthquake and changes may occur.
* Magnitude 5.1
* Origin Time 0933 AKDT Oct 30 2025
1033 PDT Oct 30 2025
---
* There is NO tsunami danger from this earthquake.
PRELIMINARY EARTHQUAKE PARAMETERS
---
* The following parameters are based on a rapid preliminary
assessment of the earthquake and changes may occur.
* Magnitude 5.1
* Origin Time 0933 AKDT Oct 30 2025
1033 PDT Oct 30 2025
October 30, 2025 at 5:37 PM
EVALUATION
---
* There is NO tsunami danger from this earthquake.
PRELIMINARY EARTHQUAKE PARAMETERS
---
* The following parameters are based on a rapid preliminary
assessment of the earthquake and changes may occur.
* Magnitude 5.1
* Origin Time 0933 AKDT Oct 30 2025
1033 PDT Oct 30 2025
---
* There is NO tsunami danger from this earthquake.
PRELIMINARY EARTHQUAKE PARAMETERS
---
* The following parameters are based on a rapid preliminary
assessment of the earthquake and changes may occur.
* Magnitude 5.1
* Origin Time 0933 AKDT Oct 30 2025
1033 PDT Oct 30 2025
regional seismic network.
* This will be the only U.S. National Tsunami Warning Center
message issued for this event unless additional information
becomes available.
* This will be the only U.S. National Tsunami Warning Center
message issued for this event unless additional information
becomes available.
October 29, 2025 at 2:07 PM
regional seismic network.
* This will be the only U.S. National Tsunami Warning Center
message issued for this event unless additional information
becomes available.
* This will be the only U.S. National Tsunami Warning Center
message issued for this event unless additional information
becomes available.
1400 UTC Oct 29 2025
* Coordinates 44.8 North 129.6 West
* Depth 7 miles
* Location off the coast of Oregon
ADDITIONAL INFORMATION AND NEXT UPDATE
---
* Further information will be issued by the United States
Geological Survey (earthquake.usgs.gov) or the appropriate
* Coordinates 44.8 North 129.6 West
* Depth 7 miles
* Location off the coast of Oregon
ADDITIONAL INFORMATION AND NEXT UPDATE
---
* Further information will be issued by the United States
Geological Survey (earthquake.usgs.gov) or the appropriate
October 29, 2025 at 2:07 PM
1400 UTC Oct 29 2025
* Coordinates 44.8 North 129.6 West
* Depth 7 miles
* Location off the coast of Oregon
ADDITIONAL INFORMATION AND NEXT UPDATE
---
* Further information will be issued by the United States
Geological Survey (earthquake.usgs.gov) or the appropriate
* Coordinates 44.8 North 129.6 West
* Depth 7 miles
* Location off the coast of Oregon
ADDITIONAL INFORMATION AND NEXT UPDATE
---
* Further information will be issued by the United States
Geological Survey (earthquake.usgs.gov) or the appropriate
EVALUATION
---
* There is NO tsunami danger from this earthquake.
PRELIMINARY EARTHQUAKE PARAMETERS
---
* The following parameters are based on a rapid preliminary
assessment of the earthquake and changes may occur.
* Magnitude 5.1
* Origin Time 0600 AKDT Oct 29 2025
0700 PDT Oct 29 2025
---
* There is NO tsunami danger from this earthquake.
PRELIMINARY EARTHQUAKE PARAMETERS
---
* The following parameters are based on a rapid preliminary
assessment of the earthquake and changes may occur.
* Magnitude 5.1
* Origin Time 0600 AKDT Oct 29 2025
0700 PDT Oct 29 2025
October 29, 2025 at 2:07 PM
EVALUATION
---
* There is NO tsunami danger from this earthquake.
PRELIMINARY EARTHQUAKE PARAMETERS
---
* The following parameters are based on a rapid preliminary
assessment of the earthquake and changes may occur.
* Magnitude 5.1
* Origin Time 0600 AKDT Oct 29 2025
0700 PDT Oct 29 2025
---
* There is NO tsunami danger from this earthquake.
PRELIMINARY EARTHQUAKE PARAMETERS
---
* The following parameters are based on a rapid preliminary
assessment of the earthquake and changes may occur.
* Magnitude 5.1
* Origin Time 0600 AKDT Oct 29 2025
0700 PDT Oct 29 2025
* Caribbean coastal regions should refer to the Pacific
Tsunami Warning Center messages at tsunami.gov.
* This will be the only U.S. National Tsunami Warning Center
message issued for this event unless additional information
becomes available.
Tsunami Warning Center messages at tsunami.gov.
* This will be the only U.S. National Tsunami Warning Center
message issued for this event unless additional information
becomes available.
October 27, 2025 at 12:52 PM
* Caribbean coastal regions should refer to the Pacific
Tsunami Warning Center messages at tsunami.gov.
* This will be the only U.S. National Tsunami Warning Center
message issued for this event unless additional information
becomes available.
Tsunami Warning Center messages at tsunami.gov.
* This will be the only U.S. National Tsunami Warning Center
message issued for this event unless additional information
becomes available.
0739 CDT Oct 27 2025
1239 UTC Oct 27 2025
* Coordinates 16.5 North 59.5 West
* Depth 6 miles
* Location near the Leeward Islands, Caribbean Sea
ADDITIONAL INFORMATION AND NEXT UPDATE
---
* Refer to the internet site tsunami.gov for more information.
1239 UTC Oct 27 2025
* Coordinates 16.5 North 59.5 West
* Depth 6 miles
* Location near the Leeward Islands, Caribbean Sea
ADDITIONAL INFORMATION AND NEXT UPDATE
---
* Refer to the internet site tsunami.gov for more information.
October 27, 2025 at 12:52 PM
0739 CDT Oct 27 2025
1239 UTC Oct 27 2025
* Coordinates 16.5 North 59.5 West
* Depth 6 miles
* Location near the Leeward Islands, Caribbean Sea
ADDITIONAL INFORMATION AND NEXT UPDATE
---
* Refer to the internet site tsunami.gov for more information.
1239 UTC Oct 27 2025
* Coordinates 16.5 North 59.5 West
* Depth 6 miles
* Location near the Leeward Islands, Caribbean Sea
ADDITIONAL INFORMATION AND NEXT UPDATE
---
* Refer to the internet site tsunami.gov for more information.
* An earthquake has occurred with parameters listed below.
PRELIMINARY EARTHQUAKE PARAMETERS
---
* The following parameters are based on a rapid preliminary
assessment of the earthquake and changes may occur.
* Magnitude 6.8
* Origin Time 0839 EDT Oct 27 2025
0839 AST Oct 27 2025
PRELIMINARY EARTHQUAKE PARAMETERS
---
* The following parameters are based on a rapid preliminary
assessment of the earthquake and changes may occur.
* Magnitude 6.8
* Origin Time 0839 EDT Oct 27 2025
0839 AST Oct 27 2025
October 27, 2025 at 12:52 PM
* An earthquake has occurred with parameters listed below.
PRELIMINARY EARTHQUAKE PARAMETERS
---
* The following parameters are based on a rapid preliminary
assessment of the earthquake and changes may occur.
* Magnitude 6.8
* Origin Time 0839 EDT Oct 27 2025
0839 AST Oct 27 2025
PRELIMINARY EARTHQUAKE PARAMETERS
---
* The following parameters are based on a rapid preliminary
assessment of the earthquake and changes may occur.
* Magnitude 6.8
* Origin Time 0839 EDT Oct 27 2025
0839 AST Oct 27 2025