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
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)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)
Tsunami GDACS score
NEIC 0 0.2 0.1
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.

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

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 0.1 12 Apr 2019 11:40 6.8M, 17.48km 6.462 310 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 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
120000 people
210000 people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1256072 -1.852/122.553 6.8 17.5 6.462 12 Apr 2019 12:09 00:28 (new episode)
2 0 1256072 -1.852/122.553 6.8 17.5 6.462 12 Apr 2019 13:43 02:02 (upd of #1)
3 0 1256072 -1.852/122.553 6.8 17.5 6.462 13 Apr 2019 11:48 1d 00:07 (upd of #2)

Affected Provinces

Intensity Region Province Country Population
Sulawesi Tengah Indonesia 93000 people
Sulawesi Tengah Indonesia 150000 people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Seluang Sulawesi Tengah Indonesia Village5 - 45 km
Tamboeroeng Sulawesi Tengah Indonesia Village5 - 56 km
Pare Sulawesi Tengah Indonesia Village5 - 53 km
Matindok Sulawesi Tengah Indonesia Village5 - 57 km
Batui Sulawesi Tengah Indonesia Village5 - 63 km
Boeaboeang Sulawesi Tengah Indonesia Village5 - 65 km
Basiano Sulawesi Tengah Indonesia Village5 - 65 km
Batoetamboeng Sulawesi Tengah Indonesia Village5 - 68 km
Tataba Sulawesi Tengah Indonesia Village5 - 69 km
Mumugi Sulawesi Tengah Indonesia Village5 - 70 km
Ondolean Sulawesi Tengah Indonesia Village5 - 72 km
Kintom Sulawesi Tengah Indonesia Village5 - 79 km
Mandono Sulawesi Tengah Indonesia Village5 - 85 km
Alasan Sulawesi Tengah Indonesia Village5 - 86 km
Tirongan Sulawesi Tengah Indonesia Village5 - 91 km
Takala Sulawesi Tengah Indonesia Village5 - 92 km
Sao Lore Sulawesi Tengah Indonesia Village5 - 106 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.