M 4.9 in Indonesia on 20 Sep 2025 06:54 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 1501190
Earthquake Magnitude: 4.9M
Depth: 10 Km
Lat/Lon: -3.813 , 127.8489
Event Date: 20 Sep 2025 06:54 UTC
20 Sep 2025 15:54 Local
Exposed Population:
3 thousand in MMI V
Inserted at: 20 Sep 2025 07:12 UTC
INFORM Coping capacity:
4.8 (Indonesia)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Rapid Impact)
GDACS score
NEIC 0 0
us7000qxir Scaled population (vector) 0  
  C1 rapid impact 0  
  C2 rapid impact 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

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An earthquake of magnitude 5.1 occurred early morning on Wednesday, September 24th, 2025, at 3:54 am local time near Tambolaka, Southwest Sumba Regency, East Nusa Tenggara, Indonesia, as reported by Indonesia''s Meteorology, Climatology, an
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M5.1 Earthquake Hits Aceh, BMKG: No Tsunami Threat 9/23/2025 10:54:00 AM.

TEMPO.CO, Jakarta - The Meteorology, Climatology, and Geophysics Agency ( ) said an earthquake with a magnitude of 5.1 hit the West Coast of Simeulue, Aceh, at 08:20 a.m. Western Indonesia Time (WIB) today, Tuesday, September 23, 2025. Acco
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Two light quakes hit Myanmar, Indonesia 9/23/2025 5:04:00 AM.

BANGKOK: Thailand''s Meteorological Department reported that two light earthquakes, measuring 4.9 and 4.6 in magnitude, struck Myanmar and Indonesia on Tuesday morning (Sept 23). The department’s Earthquake Observation Division said a 4.9-m
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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 (41), (3), NEIC (4), OCHA (1), INGV (1), DesInventar (1), WMO (1), INFORM (2), USGS (2),