M 6.9 in Southwest Of Sumatera, Indonesia on 18 Nov 2022 13:37 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: 6.9M
Depth: 25 Km
Event Date: 18 Nov 2022 13:37 UTC
18 Nov 2022 20:37 Local
Exposed Population: Less then 100 people in MMI X
Source: NEIC us7000iqpn
Inserted at: 18 Nov 2022 14:34 UTC
INFORM Coping capacity of the alert score:
1.1 ()

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)
Tsunami GDACS score
NEIC 0 0 0
us7000iqpn Scaled population (vector) 0 Max wave alert 0.08m  
  C1 shakemap -0.59 Max wave realtime 0.08m  
  C2 shakemap 0.53      
  Country Vulnerability 0      
  INFORM_normalised 1      
Maximum expected impact using different data sources.
Click on image to zoom it.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1473839 0 18 Nov 2022 13:37 6.6M, 10km 6.74 No people affected (in 100km) 0.1m (at 00:42) 00:06 GEOFON
1473841 0 18 Nov 2022 13:37 6.9M, 10km 4.06 less than 100 (in MMI>=VII) 0.1m (at 00:51) 00:18 NEIC
1473860 0 18 Nov 2022 13:37 6.9M, 25km 4.22 less than 100 (in MMI>=VII) 0.1m (at 00:30) 00:57 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 Enggano, Indonesia. This height is estimated for 18-Nov-2022 14:07:03.

Alert Date (UTC) Name Country Wave height (m)
18-Nov-2022 14:07:03 Enggano Indonesia  0.1
18-Nov-2022 14:27:57 Pasarseluma Indonesia  0.1
18-Nov-2022 14:29:96 Pasaralas Indonesia  0.1
18-Nov-2022 14:32:08 Ngalam Indonesia  0.1

See full locations list (RSS)


Initial conditions

Title: ""202 km SW of Bengkulu""

Fault parameters

  • Latitude: -4.892
  • Longitude: 100.803
  • Length: 44 km
  • Width: 12 km
  • Magnitude: 6.9 M

Okada parameters:

  • Slip: 1.2 m
  • Strike: 326 (geogr angle: north=0, south=180)
  • Dip: 7 degree
  • Rake: 90 degree
  • Depth: 25 km

Calculation parameters

  • Calculation space (lon/lat): 97.803, -7.892, 103.803, -1.892
  • Instead of Step -> use Cell size:.5 minutes

Sea Level

More information

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

  • Montecarlo:
    Tsunami Montecarlo simulation performed to this case, click here

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