M 5.9 in Guam on 04 Nov 2025 07:37 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 1508717
Earthquake Magnitude: 5.9M
Depth: 66 Km
Lat/Lon: 12.386 , 143.1363
Event Date: 04 Nov 2025 07:37 UTC
04 Nov 2025 17:37 Local
Exposed Population: 180 thousand in MMI III
Inserted at: 04 Nov 2025 07:57 UTC
INFORM Coping capacity:
1.1 (Guam)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 GDACS score
NEIC 0 0
us6000rlcd 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

Magnitude 4.8 earthquake hits Guam, a day after 5.9 quake 11/5/2025 4:33:00 AM.

A magnitude 4.8 earthquake hit Guam at 1:03 p.m. Wednesday, a day after it was struck by a magnitude 5.9 quake, based on information from the U.S. Geological Survey. The Wednesday afternoon quake''s epicenter was 3 km west-northwest of Dede
...(more)
Moderate magnitude 4.8 quake hits 4 km northwest of Dededo Village, Gu.. 11/5/2025 3:54:00 AM.

Just 20 minutes ago, a 4.8-magnitude earthquake struck near Dededo Village, Dededo, Guam. The tremor was recorded around noon on Wednesday, November 5th, 2025, at 1:03 pm local time, at an intermediate depth of 109.86 km below the surface.
...(more)
Moderate mag. 4.8 earthquake - 3 km WNW of Dededo Village, Guam, on We.. 11/5/2025 3:54:00 AM.

Just 20 minutes ago, a 4.8-magnitude earthquake struck near Dededo Village, Dededo, Guam. The tremor was recorded around noon on Wednesday, November 5th, 2025, at 1:03 pm local time, at an intermediate depth of 109.86 km below the surface.
...(more)
4.8 earthquake recorded Wednesday afternoon 11/5/2025 3:50:00 AM.

Did you feel it? A mid-day jolt was felt across parts of the island after a moderate earthquake struck near Dededo . The U.S. Geological Survey recorded the quake at a preliminary magnitude of 4.8 on the Richter Scale, centered about 3 kilo
...(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 (5), OCHA (1), INGV (1), USGS (5), INFORM (2),