M 5.6 in Indonesia on 27 Feb 2023 01:26 UTC

Hazard models

Rapid Impact
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: 5.6M
Depth: 23.9 Km
Lat/Lon: -1.664 , 120.2243
Event Date: 27 Feb 2023 01:26 UTC
27 Feb 2023 09:26 Local
Exposed Population: 9 thousand in MMI VI
Source: NEIC us6000jrtm
Inserted at: 27 Feb 2023 02:37 UTC
INFORM Coping capacity of the alert score: 4.8 (Indonesia)

GDACS Score

For more info on GDACS score click here.
  Earthquake
(Shakemap)		 GDACS score
NEIC 0 0
us6000jrtm Scaled population (raster) 1.2  
  C1 shakemap -1.73  
  C2 shakemap 0.79  
  Country Vulnerability 0  
  INFORM_normalised 0.96  
  Score no CC 10  
Maximum expected impact using different data sources.

ShakeMap is a product of the USGS Earthquake Hazards Program in conjunction with the regional seismic networks. ShakeMaps provide near-real-time maps of ground motion and shaking intensity following significant earthquakes.


Episode Timeline

IDLevelScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1492378 0 27 Feb 2023 01:26 5.5M, 42.456km 5.16 N/A (in MMI>=VII) 00:33 NEIC
1492400 0 27 Feb 2023 01:26 5.6M, 23.9km 6.38 N/A (in MMI>=VII) 01:11 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 in Indonesia ,of Sulawesi Tengah (population 1,832,441) . The alertlevel for this event is GREEN

Intensity Population
9300 people
64000 people


Shakemaps Timeline

LevelShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1492378 120.267/-1.697 5.5 42.5 5.161 27 Feb 2023 02:04 00:38 (new episode)
2 0 1492400 120.224/-1.664 5.6 23.9 6.466 27 Feb 2023 02:40 01:14 (new episode)
3 0 1492400 120.224/-1.664 5.6 23.9 6.311 27 Feb 2023 03:31 02:05 (upd of #2)
4 0 1492400 120.217/-1.686 5.6 22.7 6.375 27 Feb 2023 04:28 03:02 (upd of #3)
5 0 1492400 120.217/-1.686 5.6 22.7 6.375 28 Feb 2023 01:40 1d 00:14 (upd of #4)

Affected Provinces

Intensity Region Province Country Population
Sulawesi Tengah Indonesia 2200 people
Sulawesi Tengah Indonesia 21000 people
Sulawesi Selatan Indonesia <1000 people
Sulawesi Tengah Indonesia 1.2 million people
Sulawesi Selatan Indonesia 770000 people
Sulawesi Tengah Indonesia 140000 people
Sulawesi Selatan Indonesia 370000 people
Sulawesi Tenggara Indonesia no people


Critical infrastructure

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

Airports

Intensity Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft) Distance
Kasiguncu 53 Civ. Paved No 3600 55 km
Poso PSJ unknown 0 65 km
Mutiara PLW 87 Civ. Paved No 6700 90 km
Andi Jemma 50 0 99 km

Ports

Intensity Name LOCODE Country Distance
Poso IDPSJ Indonesia 66 km
Palu Indonesia 96 km
Malili IDMLI Indonesia 138 km
Mamuju IDMJU Indonesia 187 km

More information

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