M 6.3 in Indonesia on 19 Aug 2018 04:10 UTC

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: 6.3M
Depth: 7.91 Km
Event Date: 19 Aug 2018 04:10 UTC
19 Aug 2018 12:10 Local
Exposed Population: About 52000 people in MMI
3630000 people within 100km
Source: NEIC us1000gcvr
Inserted at: 19 Aug 2018 04:31 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 0 1
us1000gcvr Scaled population (vector) 3.54 Max wave alert 0m  
  C1 shakemap -1.73 Max wave realtime 0.05m  
  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
1224775 1 19 Aug 2018 04:10 6.3M, 7.91km 6.9 50 thousand (in MMI>=VII) 0.1m (at 00:07) 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.

Tsunami affected locations

The maximum Wave height is  0.1m in Lepeloang, Indonesia. This height is estimated for 19-Aug-2018 04:17:83.

Alert Date (UTC) Name Country Wave height (m)
19-Aug-2018 04:17:83 Lepeloang Indonesia  0.1
19-Aug-2018 04:16:01 Bayan Indonesia  0.0

See full locations list (RSS)


Initial conditions

Title: "6km NE of Sembalunlawang"

Fault parameters

  • Latitude: -8.325
  • Longitude: 116.577
  • Length: 22 km
  • Width: 6 km
  • Magnitude: 6.3 M

Okada parameters:

  • Slip: .6 m
  • Strike: 271 (geogr angle: north=0, south=180)
  • Dip: 12 degree
  • Rake: 90 degree
  • Depth: 8 km

Calculation parameters

  • Calculation space (lon/lat): 115.077, -9.825, 118.077, -6.825
  • Instead of Step -> use Cell size:.25 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.