M 5.5 in United States on 23 Nov 2025 08:21 UTC

Event summary

This earthquake can have a low humanitarian impact based on the magnitude and the affected population and their vulnerability.

GDACS ID EQ 1511558
Earthquake Magnitude: 5.5M
Depth: 54.8 Km
Lat/Lon: 51.4112 , -177.0684
Event Date: 23 Nov 2025 08:21 UTC
22 Nov 2025 20:21 Local
Exposed Population: Few people affected in MMI&>=II
Inserted at: 23 Nov 2025 08:38 UTC
INFORM Coping capacity:
2.2 (United States)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 GDACS score
NEIC 0 0
us6000rpxa Scaled population (raster) 0  
  C1 shakemap 0  
  C2 shakemap 0  
  Country Vulnerability 0  
  INFORM_normalised 0  
Maximum expected impact using different data sources.
Virtual OSOCC
Meteo assessment
Satellite products
Analytical products
Detailed event map. European Union, 2025. Map produced by EC-JRC.
The boundaries and the names shown on this map do not imply official endorsement or acceptance by the European Union.

Updates on volcanic activity (Smithsonian)

Latest media headlines

Strong 6.6 magnitude earthquake strikes off Sumatra, Indonesia 11/27/2025 8:15:00 AM.

Credit: Malaysian Meteorological Department / Facebook. Strong 6.6 magnitude earthquake strikes off Sumatra, Indonesia. A 6.6 magnitude earthquake hit Simeulue Island, Indonesia, at a depth of 25 km. No tsunami threat or immediate damage
...(more)
Magnitude 6.6 quake hits western Indonesia: USGS 11/27/2025 7:52:00 AM.

JAKARTA: A magnitude 6.6 earthquake hit an island off the coast of Sumatra in western Indonesia on Thursday, according to the United States Geological Survey (USGS), with no immediate reports of damage or tsunami warning. The strong quake s
...(more)
Indonesia residents rush outside as 6.6M quake hits 11/27/2025 7:26:00 AM.

Rescuers wade through flood waters by holding a rope in their effort to evacuate residents who are trapped at their houses in Padang, West Sumatra province on November 27, 2025. Agence France-Presse. JAKARTA A magnitude 6.6-earthquake hit a
...(more)
Indonesia residents rush outside as 6.6M quake hits 11/27/2025 7:17:00 AM.

JAKARTA, Indonesia: A magnitude 6.6-earthquake hit an island off the coast of Sumatra in western Indonesia on Thursday, according to the United States Geological Survey (USGS), with no immediate reports of damages or tsunami warning. The qu
...(more)

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Estimated casualties (PAGER)

USGS estimates the number of casualties for each earthquake for the Prompt Assessment of Global Earthquakes for Response (PAGER) product.
The graph shows the current fatalities estimate.

Exposed population

Data, images, links, services and documents

For this events, GDACS has links to information from the following sources: EC-JRC (48), (3), NEIC (4), OCHA (1), INGV (1), WMO (1), USGS (5), INFORM (2), CALTECH (1),