M 6.8 in Indonesia on 12 Apr 2019 11:40 UTC

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: 6.8M
Depth: 17.48 Km
Lat/Lon: -1.8518 , 122.5527
Event Date: 12 Apr 2019 11:40 UTC
12 Apr 2019 19:40 Local
Exposed Population: 310000 people within 100km
Source: NEIC us700034xq
Inserted at: 12 Apr 2019 12:01 UTC
INFORM Coping capacity of the alert score: 4.8 (Indonesia)


For more info on GDACS alert score click here.
Tsunami GDACS score
NEIC 0 0.2 0.2
us700034xq Scaled population (vector) 2.2 Max wave alert 0.24m  
  C1 shakemap -1.73 Max wave realtime 0.24m  
  C2 shakemap 0.79      
  Country Vulnerability 0      
  INFORM_normalised 0.96      
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1256065 0.2 12 Apr 2019 11:40 6.8M, 10km N/A No people affected 0.2m (at 00:23) 00:06 GEOFON
1256072 0.2 12 Apr 2019 11:40 6.8M, 17.48km 6.46 310 thousand 0.2m (at 00:22) 00:21 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 , Province of Sulawesi Tengah (population 1,832,441) . The nearest places are Seluang, Doaggi, Kembani, Lombilombia, Pare, Longgolian, Tamboeroeng, Matindok, Beleang, Meselesek, and Tataba.

Radius Population
100 km 310000 people
75 km 200000 people
50 km 43000 people
20 km no people
10 km no people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Sulawesi Tengah Indonesia 1.8 million people
Sulawesi Selatan Indonesia 7.2 million people
Sulawesi Tenggara Indonesia 1.4 million people
Maluku Indonesia 1.9 million people
Sulawesi Utara Indonesia 2.6 million people

Affected populated places

Name Region Province Country City class Population Distance
Seluang Sulawesi Tengah Indonesia Village5 - 45 km
Doaggi Sulawesi Tengah Indonesia Village6 - 47 km
Kembani Sulawesi Tengah Indonesia Village6 - 50 km
Lombilombia Sulawesi Tengah Indonesia Village6 - 50 km
Pare Sulawesi Tengah Indonesia Village5 - 53 km
Longgolian Sulawesi Tengah Indonesia Village6 - 56 km
Tamboeroeng Sulawesi Tengah Indonesia Village5 - 56 km
Matindok Sulawesi Tengah Indonesia Village5 - 57 km
Beleang Sulawesi Tengah Indonesia Village6 - 59 km
Meselesek Sulawesi Tengah Indonesia Village6 - 61 km
Batui Sulawesi Tengah Indonesia Village5 - 63 km
Boeaboeang Sulawesi Tengah Indonesia Village5 - 65 km
Basiano Sulawesi Tengah Indonesia Village5 - 65 km
Kajoa Sulawesi Tengah Indonesia Village6 - 66 km
Batoetamboeng Sulawesi Tengah Indonesia Village5 - 68 km
Tinanasoe Sulawesi Tengah Indonesia Village6 - 68 km
Tataba Sulawesi Tengah Indonesia Village5 - 69 km

see full list

Critical infrastructure

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


Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft) Distance
Luwuk LUW unknown 0 93 km
Bubung 17 0 93 km

More information

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