M 6.5 in East Of South Sandwich Islands on 29 Sep 2022 03:03 UTC

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: 6.5M
Depth: 11 Km
Event Date: 29 Sep 2022 03:03 UTC
29 Sep 2022 02:03 Local
Exposed Population:
Source: NEIC us6000ip57
Inserted at: 29 Sep 2022 20:55 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
us6000ip57 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
1464749 0 29 Sep 2022 03:03 6.5M, 10km N/A No people affected (in 100km) 0m (at 00:00) 00:10 GEOFON
1464750 0 29 Sep 2022 03:03 6.7M, 33km 6.18 No people affected (in 100km) 0m (at 00:00) 00:15 PTWC
1464751 0 29 Sep 2022 03:03 6.7M, 33km 6.18 No people affected (in 100km) 0m (at 00:00) 00:18 NTWC
1464753 0 29 Sep 2022 03:03 6.8M, 10km N/A No people affected (in 100km) 0m (at 00:00) 00:22 NEIC
1464755 0 29 Sep 2022 03:03 6.5M, 11km N/A N/A (in MMI>=VII) 0m (at 00:00) 00:36 NEIC
1464921 0 29 Sep 2022 03:03 6.5M, 11km N/A No people affected (in 100km) 0m (at 00:00) 17:51 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: ""east of the South Sandwich Islands""

Fault parameters

  • Latitude: -60.846
  • Longitude: -20.027
  • Length: 28 km
  • Width: 7 km
  • Magnitude: 6.5 M

Okada parameters:

  • Slip: .8 m
  • Strike: 63 (geogr angle: north=0, south=180)
  • Dip: 45 degree
  • Rake: 90 degree
  • Depth: 11 km

Calculation parameters

  • Calculation space (lon/lat): -21.527, -62.346, -18.527, -59.346
  • 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.