M 7 in Indonesia from 05 Aug 2018 11:46 UTC to 11:46

Event summary

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

Earthquake Magnitude: 7.0M
Depth: 10.48 Km
Event Date: 05 Aug 2018 11:46 UTC
05 Aug 2018 19:46 Local
Exposed Population: 150000 people in MMI
3780000 people within 100km
Source: NEIC us1000g3ub
Inserted at: 05 Aug 2018 12:06 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 1.5 0.2 1.5
us1000g3ub Scaled population (vector) 4.29 Max wave alert 0m  
  C1 shakemap -1.73 Max wave realtime 0.29m  
  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  0.3m in Bayan, Indonesia. This height is estimated for 5-Aug-2018 11:52:56.

Alert Date (UTC) Name Country Wave height (m)
5-Aug-2018 11:52:56 Bayan Indonesia  0.3
5-Aug-2018 12:28:98 Lepeloang Indonesia  0.2
5-Aug-2018 12:24:85 Soengian Indonesia  0.2
5-Aug-2018 11:54:02 Desa_Anjar Indonesia  0.2
5-Aug-2018 12:00:71 Soeroengdjoekoeng Indonesia  0.2
5-Aug-2018 12:00:71 Tandjung Indonesia  0.2
5-Aug-2018 11:50:38 Salangan Indonesia  0.1
5-Aug-2018 12:14:84 Sembelie Indonesia  0.1
5-Aug-2018 13:18:91 Goa-daja Indonesia  0.1

See full locations list (RSS)


Initial conditions

Title: "2km ESE of Loloan"

Fault parameters

  • Latitude: -8.268
  • Longitude: 116.457
  • Length: 50 km
  • Width: 14 km
  • Magnitude: 7 M

Okada parameters:

  • Slip: 1.3 m
  • Strike: 271 (geogr angle: north=0, south=180)
  • Dip: 12 degree
  • Rake: 90 degree
  • Depth: 11 km

Calculation parameters

  • Calculation space (lon/lat): 111.957, -12.768, 120.957, -3.768
  • Instead of Step -> use Cell size:.75 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.