M 6.2 in Northern Sumatera, Indonesia on 23 Sep 2022 20:52 UTC

Hazard models

EQ parameters
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: 6.2M
Depth: 37.994 Km
Event Date: 23 Sep 2022 20:52 UTC
24 Sep 2022 03:52 Local
Exposed Population: 100000 people in MMI
410 thousand in 100km
Source: NEIC us7000iaka
Inserted at: 24 Sep 2022 19:21 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
us7000iaka Scaled population (raster) 0 Max wave alert 0m  
  C1 shakemap -0.59 Max wave realtime 0m  
  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
1463688 0 23 Sep 2022 20:53 6.1M, 68km 5.36 440 thousand (in 100km) 0m (at 00:00) 00:08 GEOFON
1463691 0 23 Sep 2022 20:52 6.2M, 48.584km 4.58 N/A (in MMI>=VII) 0m (at 00:00) 00:16 NEIC
1463827 0 23 Sep 2022 20:52 6.2M, 37.994km 4.87 N/A (in MMI>=VII) 0m (at 00:00) 22:28 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: ""38 km SSW of Meulaboh""

Fault parameters

  • Latitude: 3.805
  • Longitude: 96.032
  • Length: 19 km
  • Width: 5 km
  • Magnitude: 6.2 M

Okada parameters:

  • Slip: .6 m
  • Strike: 300 (geogr angle: north=0, south=180)
  • Dip: 7 degree
  • Rake: 90 degree
  • Depth: 38 km

Calculation parameters

  • Calculation space (lon/lat): 94.532, 2.305, 97.532, 5.305
  • 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.