M 5.9 in Indonesia on 04 Apr 2026 01:35 UTC

Hazard models

EQ parameters
Shakemap
Tsunami

Event summary

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

Earthquake Magnitude: 5.9M
Depth: 48.7 Km
Lat/Lon: 1.1109 , 126.0732
Event Date: 04 Apr 2026 01:35 UTC
04 Apr 2026 10:35 Local
Exposed Population: 530 thousand in MMI IV
Source: NEIC us6000smgy
Inserted at: 04 Apr 2026 01:53 UTC
INFORM Coping capacity of the alert score
1.1 (Indonesia)

GDACS Score

For more info on GDACS score click here.
  Earthquake
(Shakemap)		 GDACS score
NEIC 0 0
us6000smgy Scaled population (raster) 0  
  C1 shakemap 0  
  C2 shakemap 0  
  Country Vulnerability 0  
  INFORM_normalised 0  
Maximum expected impact using different data sources.

Episode Timeline

IDLevelScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1697512 0 04 Apr 2026 01:35 5.9M, 48.7km 4.32 N/A (in MMI>=VII) 00:18 NEIC
The episode that generated the alert; the next major evaluations beyond 12 hours will not trigger additional alerts.
The episode that has the last updated information.
* The max MMI detected for sources having shakemaps;
** The population detected in MMI>=7 for episode with shakemap or in a 100km radius;
*** The tsunami max height.

Exposed population

The earthquake happened off shore.

Radius Population
100 km 9500 people
75 km 3000 people
50 km 3000 people
20 km <1000 people
10 km no people
5 km no people
2 km no people

Affected Provinces

Affected populated places

Name Region Province Country City class Population Distance
Pasirputih Palau Village - 40 km

see full list

Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

More information

For a full list of available products related to this event, please refer to the GDACS Resources page.