M 7.7 Earthquake and Tsunami (1.7 m) in Indonesia on 14 Aug 2026 21:58 UTC

Event summary

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

GDACS ID EQ 1558059
Earthquake Magnitude: 7.7M
Depth: 10 Km
Lat/Lon: -8.3101 , 121.3517
Event Date: 14 Aug 2026 21:58 UTC
15 Aug 2026 05:58 Local
Exposed Population: 870 thousand (in MMI>=VII)
Inserted at: 14 Aug 2026 22:21 UTC
INFORM Coping capacity:
4.8 (Indonesia)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 Tsunami GDACS score
NEIC 2.1 1.3 2.1
us6000tkt2 Scaled population (raster) 5.01 Max wave alert 1.68m  
  C1 shakemap -1.73 Max wave realtime 1.68m  
  C2 shakemap 0.79      
  Country Vulnerability 0      
  INFORM_normalised 0.96      
Maximum expected impact using different data sources.
Virtual OSOCC
Meteo assessment
Satellite products
Analytical products
M7.7 in Indonesia - EC/ECHO daily mapTue, 18 Aug 2026 18:32

A new EC/ECHO daily map is now available
Detailed event map. European Union, 2026. 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)

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 (90), NEIC (4), OCHA (1), DesInventar (2), WMO (2), USGS (5), (3), INFORM (4),