Bulletin ce20ebc7d68c

Namazu: earthquake forecast for Cascadia and western United States, with data as of November 1, 2026, 16:00 (UTC−8).

From November 1, 2026, 16:00 (UTC−8) to November 8, 2026, 16:00 (UTC−8), the probability of at least one earthquake of magnitude 5.0 or larger in the region is 16.9%. This is how often one has occurred in the region over periods of the same length.

From November 1, 2026, 16:00 (UTC−8) to November 8, 2026, 16:00 (UTC−8), the probability of at least one earthquake of magnitude 6.0 or larger in the region is 2.2%. This is how often one has occurred in the region over periods of the same length.

From November 1, 2026, 16:00 (UTC−8) to November 8, 2026, 16:00 (UTC−8), earthquakes of magnitude 7.0 or larger: no estimate, because the region's history has too few such earthquakes to produce one.

From November 1, 2026, 16:00 (UTC−8) to December 1, 2026, 16:00 (UTC−8), the probability of at least one earthquake of magnitude 5.0 or larger in the region is 52.7%. This is how often one has occurred in the region over periods of the same length.

From November 1, 2026, 16:00 (UTC−8) to December 1, 2026, 16:00 (UTC−8), the probability of at least one earthquake of magnitude 6.0 or larger in the region is 9.5%. This is how often one has occurred in the region over periods of the same length.

From November 1, 2026, 16:00 (UTC−8) to December 1, 2026, 16:00 (UTC−8), earthquakes of magnitude 7.0 or larger: no estimate, because the region's history has too few such earthquakes to produce one.

From November 1, 2026, 16:00 (UTC−8) to November 1, 2027, 17:00 (UTC−7), the probability of at least one earthquake of magnitude 6.0 or larger in the region is 75.3%. This is how often one has occurred in the region over periods of the same length.

From November 1, 2026, 16:00 (UTC−8) to November 1, 2027, 17:00 (UTC−7), earthquakes of magnitude 7.0 or larger: no estimate, because the region's history has too few such earthquakes to produce one.

United States: Federal Emergency Management Agency (FEMA): https://www.fema.gov USGS National Earthquake Information Center (NEIC): https://www.usgs.gov/programs/earthquake-hazards/national-earthquake-information-center-neic

Canada: Public Safety Canada / Sécurité publique Canada: https://www.publicsafety.gc.ca Check with your local authority.

Mexico: Coordinación Nacional de Protección Civil (CNPC): https://www.gob.mx/sspc/acciones-y-programas/coordinacion-nacional-de-proteccion-civil-357857 Check with your local authority.

Whether this bulletin is still current, was replaced or was annulled, and the aftershock zone of each earthquake, are at https://proyectonamazu.com/en/cascadia-oeste-eeuu/boletin/ce20ebc7d68cb82bf19e5ee16c984e567af803fbc15ab168e0dd2f62504e1cfd

Namazu does not guess; it measures. These are probabilities. Data: U.S. Geological Survey (USGS); Time zones: contains information from timezone-boundary-builder (https://github.com/evansiroky/timezone-boundary-builder), made available under the Open Database License (ODbL) (https://opendatacommons.org/licenses/odbl/1-0/)

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ce20ebc7d68cb82bf19e5ee16c984e567af803fbc15ab168e0dd2f62504e1cfd

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