M 6.9 in Indonesia on 05 Aug 2018 11:46 UTC

Hazard models

EQ parameters
Shakemap
Tsunami

Event summary

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

Earthquake Magnitude: 6.9M
Depth: 31 Km
Event Date: 05 Aug 2018 11:46 UTC
05 Aug 2018 19:46 Local
Exposed Population: 970000 people in MMI
3800000 people within 100km
Source: NEIC us1000g3ub
Inserted at: 05 Aug 2018 13:11 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 2.9 0 2.9
us1000g3ub Scaled population (vector) 6.03 Max wave alert 0m  
  C1 shakemap -1.73 Max wave realtime 0.1m  
  C2 shakemap 0.79      
  Country Vulnerability 0      
  INFORM_normalised 0.96      
Maximum expected impact using different data sources.
Click on image to zoom it.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1222764 3 05 Aug 2018 11:46 6.9M, 11km N/A 3.7 million (in 100km) 0.1m (at 01:44) 00:06 GEOFON
1222772 1.5 05 Aug 2018 11:46 7M, 10.48km 7.4 150 thousand (in MMI>=VII) 0.3m (at 00:06) 00:19 NEIC
1222783 2.9 05 Aug 2018 11:46 6.9M, 31km 8.35 2 million (in MMI>=VII) 0.1m (at 00:15) 01:24 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.

Tsunami affected locations

The maximum Wave height is  0.1m in Soeroengdjoekoeng, Indonesia. This height is estimated for 5-Aug-2018 12:01:00.

Alert Date (UTC) Name Country Wave height (m)
5-Aug-2018 12:01:00 Soeroengdjoekoeng Indonesia  0.1
5-Aug-2018 12:01:00 Tandjung Indonesia  0.1
5-Aug-2018 12:53:38 Lepeloang Indonesia  0.1
5-Aug-2018 12:53:38 Soengian Indonesia  0.1
5-Aug-2018 11:55:00 Desa_Anjar Indonesia  0.1

See full locations list (RSS)


Initial conditions

Title: "3km SSE of Loloan"

Fault parameters

  • Latitude: -8.287
  • Longitude: 116.452
  • Length: 44 km
  • Width: 12 km
  • Magnitude: 6.9 M

Okada parameters:

  • Slip: 1.2 m
  • Strike: 271 (geogr angle: north=0, south=180)
  • Dip: 12 degree
  • Rake: 90 degree
  • Depth: 31 km

Calculation parameters

  • Calculation space (lon/lat): 113.452, -11.287, 119.452, -5.287
  • Instead of Step -> use Cell size:.5 minutes

Sea Level

More information

  • Timeline:
    Tsunami calculations performed to this case, click here

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