M 6.3 in Indonesia on 01 Dec 2018 13:27 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: 6.3M
Depth: 140.61 Km
Event Date: 01 Dec 2018 13:27 UTC
01 Dec 2018 22:27 Local
Exposed Population: About 2000 people within 100km
Source: NEIC us1000hzjp
Inserted at: 01 Dec 2018 13:46 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 0
us1000hzjp Scaled population (vector) 0 Max wave alert 0m  
  C1 shakemap -1.73 Max wave realtime 0m  
  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
1239259 0 01 Dec 2018 13:27 6.3M, 140.61km 4.14 N/A (in MMI>=VII) 0m (at 00:00) 00:18 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

Alert Date (UTC) Name Country Wave height (m)

See full locations list (RSS)


Initial conditions

Title: ""Kepulauan Barat Daya""

Fault parameters

  • Latitude: -7.403
  • Longitude: 128.71
  • Length: 22 km
  • Width: 6 km
  • Magnitude: 6.3 M

Okada parameters:

  • Slip: .6 m
  • Strike: 258 (geogr angle: north=0, south=180)
  • Dip: 12 degree
  • Rake: 90 degree
  • Depth: 141 km

Calculation parameters

  • Calculation space (lon/lat): 127.21, -8.903, 130.21, -5.903
  • 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.