M 6.6 in Southwest Of Sumatera, Indonesia from 18 Nov 2022 13:37 UTC to 13:37

Hazard models

Rapid Impact
Shakemap
Tsunami

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: 6.6M
Depth: 10 Km
Event Date: 18 Nov 2022 13:37 UTC
18 Nov 2022 20:37 Local
Exposed Population:
Source: GEOFON gfz2022wpnl
Inserted at: 18 Nov 2022 13:44 UTC
INFORM Coping capacity of the alert score:
1.1 ()

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Rapid Impact)		 Tsunami GDACS score
GEOFON 0 0 0
gfz2022wpnl Scaled population (vector) 0 Max wave alert 0.05m  
  C1 rapid impact 0 Max wave realtime 0.05m  
  C2 rapid impact 0      
  Country Vulnerability 0      
  INFORM_normalised 0      
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 N/A (in MMI>=VII) 0.1m (at 00:51) 00:18 NEIC
1473860 0 18 Nov 2022 13:37 6.9M, 25km 4.22 N/A (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 Kerkap, Indonesia. This height is estimated for 18-Nov-2022 14:19:85.

Alert Date (UTC) Name Country Wave height (m)
18-Nov-2022 14:19:85 Kerkap Indonesia  0.1

See full locations list (RSS)


Initial conditions

Title: ""M6.6 Southwest of Sumatra, Indonesia""

Fault parameters

  • Latitude: -4.86
  • Longitude: 100.8
  • Length: 31 km
  • Width: 8 km
  • Magnitude: 6.6 M

Okada parameters:

  • Slip: .9 m
  • Strike: 326 (geogr angle: north=0, south=180)
  • Dip: 7 degree
  • Rake: 90 degree
  • Depth: 10 km

Calculation parameters

  • Calculation space (lon/lat): 99.3, -6.36, 102.3, -3.36
  • Instead of Step -> use Cell size:.25 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.