M 6.2 in China on 24 Oct 2021 05:11 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: 64.52 Km
Event Date: 24 Oct 2021 05:11 UTC
24 Oct 2021 13:11 Local
Exposed Population: 420000 people in MMI
11 million in 100km
Source: NEIC us6000fx56
Inserted at: 24 Oct 2021 05:31 UTC
INFORM Coping capacity of the alert score:
3.6 (Taiwan)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 Tsunami GDACS score
NEIC 0 0 0
us6000fx56 Scaled population (raster) 1.51 Max wave alert 0m  
  C1 shakemap -0.59 Max wave realtime 0m  
  C2 shakemap 0.53      
  Country Vulnerability 0      
  INFORM_normalised 0.82      
Maximum expected impact using different data sources.
Click on image to zoom it.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1404258 0 24 Oct 2021 05:11 6.2M, 64.52km 6.01 N/A (in MMI>=VII) 0m (at 00:00) 00:20 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: ""21 km SSE of Yilan""

Fault parameters

  • Latitude: 24.571
  • Longitude: 121.83
  • Length: 19 km
  • Width: 5 km
  • Magnitude: 6.2 M

Okada parameters:

  • Slip: .6 m
  • Strike: 262 (geogr angle: north=0, south=180)
  • Dip: 14 degree
  • Rake: 90 degree
  • Depth: 65 km

Calculation parameters

  • Calculation space (lon/lat): 120.33, 23.071, 123.33, 26.071
  • 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.