M 6.8 in China from 18 Sep 2022 06:44 UTC to 06:44

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: 6.8M
Depth: 10 Km
Event Date: 18 Sep 2022 06:44 UTC
18 Sep 2022 14:44 Local
Exposed Population: 2.3 million in 100km
Source: GEOFON gfz2022shod
Inserted at: 18 Sep 2022 06:54 UTC
INFORM Coping capacity of the alert score:
3.6 (China)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake Tsunami GDACS score
GEOFON 0 0.1 0.1
gfz2022shod Scaled population (vector) 0 Max wave alert 0.19m  
  C1 earthquake 1 Max wave realtime 0.19m  
  C2 earthquake 0      
  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
1462665 0.1 18 Sep 2022 06:44 6.8M, 10km N/A 2.3 million (in 100km) 0.2m (at 00:00) 00:10 GEOFON
1462666 0.8 18 Sep 2022 06:44 7.2M, 10km N/A 1.8 million (in 100km) 0.9m (at 00:25) 00:12 NTWC
1462674 1 18 Sep 2022 06:44 7.2M, 10km 8.12 150 thousand (in MMI>=VII) 0.9m (at 00:19) 00:23 NEIC
1462682 1 18 Sep 2022 06:44 6.9M, 10km 8.24 140 thousand (in MMI>=VII) 0.4m (at 00:00) 00:43 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  0.2m in Tu-ho, Taiwan. This height is estimated for 18-Sep-2022 06:44:00.

Alert Date (UTC) Name Country Wave height (m)
18-Sep-2022 06:44:00 Tu-ho Taiwan  0.2
18-Sep-2022 06:44:00 Hsin-i Taiwan  0.2
18-Sep-2022 07:04:38 Cheng-kung Taiwan  0.1
18-Sep-2022 07:07:64 Wu-shih Pi Taiwan  0.1
18-Sep-2022 06:50:65 San Hsien Tai Taiwan  0.1
18-Sep-2022 07:06:25 Hsin-ch'ang-ts'un Taiwan  0.1

See full locations list (RSS)


Initial conditions

Title: ""M6.8 Taiwan""

Fault parameters

  • Latitude: 23.13
  • Longitude: 121.27
  • Length: 39 km
  • Width: 11 km
  • Magnitude: 6.8 M

Okada parameters:

  • Slip: 1 m
  • Strike: 180 (geogr angle: north=0, south=180)
  • Dip: 45 degree
  • Rake: 90 degree
  • Depth: 10 km

Calculation parameters

  • Calculation space (lon/lat): 118.27, 20.13, 124.27, 26.13
  • 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.