M 5.5 in Indonesia from 24 Jan 2023 20:17 UTC to 20:17

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: 5.5M
Depth: 3.395 Km
Lat/Lon: 3.1551 , 127.0594
Event Date: 24 Jan 2023 20:17 UTC
25 Jan 2023 04:17 Local
Exposed Population: 10 thousand in MMI IV
Source: NEIC us6000jj00
Inserted at: 24 Jan 2023 20:39 UTC
INFORM Coping capacity of the alert score
1.1 ()


For more info on GDACS alert score click here.
GDACS score
NEIC 0 0
us6000jj00 Scaled population (vector) 0  
  C1 shakemap -0.59  
  C2 shakemap 0.53  
  Country Vulnerability 0  
  INFORM_normalised 1  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1485300 0 24 Jan 2023 20:17 5.5M, 3.395km 3.65 N/A (in MMI>=VII) 00:21 NEIC
1485799 0 24 Jan 2023 20:17 5.3M, 28.893km 3.79 N/A (in MMI>=VII) 2d 21:47 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 57000 people
75 km 9800 people
50 km no people
20 km no people
10 km no people
5 km no people
2 km no people

Affected Provinces

Critical infrastructure

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


Name LOCODE Country Distance
Lirung Indonesia 95 km

More information

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