M 6.5 Off-shore on 17 Sep 2022 13:41 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: 10 Km
Event Date: 17 Sep 2022 13:41 UTC
17 Sep 2022 21:41 Local
Exposed Population: About 9000 people in MMI
20 thousand (in MMI>=VII)
Source: NEIC us7000i8ui
Inserted at: 17 Sep 2022 14:33 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 0.3 0.2 0.3
us7000i8ui Scaled population (raster) 3.04 Max wave alert 0.25m  
  C1 shakemap -0.59 Max wave realtime 0.25m  
  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
1462503 0.7 17 Sep 2022 13:41 6.5M, 10km 7.49 50 thousand (in 100km) 0m (at 00:00) 00:10 GEOFON
1462504 0 17 Sep 2022 13:41 6.6M, 45km 6.34 250 thousand (in 100km) 0m (at 00:00) 00:14 PTWC
1462505 0 17 Sep 2022 13:41 6.6M, 45km N/A 250 thousand (in 100km) 0m (at 00:00) 00:16 NTWC
1462507 0.8 17 Sep 2022 13:41 6.6M, 10km 7.64 60 thousand (in MMI>=VII) 0.2m (at 00:01) 00:23 NEIC
1462511 0.3 17 Sep 2022 13:41 6.5M, 10km 6.79 20 thousand (in MMI>=VII) 0.3m (at 00:15) 00:52 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  0.3m in Cheng-kung, Taiwan. This height is estimated for 17-Sep-2022 13:56:12.

Alert Date (UTC) Name Country Wave height (m)
17-Sep-2022 13:56:12 Cheng-kung Taiwan  0.3
17-Sep-2022 13:48:99 Wu-shih Pi Taiwan  0.2
17-Sep-2022 13:46:65 San Hsien Tai Taiwan  0.2
17-Sep-2022 13:56:12 Hsin-i Taiwan  0.2
17-Sep-2022 14:01:09 Tu-ho Taiwan  0.1
17-Sep-2022 14:20:45 Hsin-ch'ang-ts'un Taiwan  0.1
17-Sep-2022 13:49:06 Chia-tsou-wan Pi Taiwan  0.1
17-Sep-2022 14:08:24 Chi-hsing Taiwan  0.1
17-Sep-2022 13:55:66 Feng-pin Taiwan  0.1
17-Sep-2022 14:35:98 Ta-wu Taiwan  0.1
17-Sep-2022 13:53:99 Nan-liao Taiwan  0.1
17-Sep-2022 13:53:99 Hai-shen-p'ing Taiwan  0.1
17-Sep-2022 14:09:52 Tai-tung Taiwan  0.1
17-Sep-2022 13:51:94 Ta-chiang-k'ou Taiwan  0.1
17-Sep-2022 13:51:94 Shih-ti-ping Taiwan  0.1
17-Sep-2022 14:16:26 Ta-niao Taiwan  0.1

See full locations list (RSS)


Initial conditions

Title: ""M 6.5, 96 km E of Yujing, Taiwan""

Fault parameters

  • Latitude: 23.096
  • Longitude: 121.406
  • Length: 28 km
  • Width: 7 km
  • Magnitude: 6.5 M

Okada parameters:

  • Slip: .8 m
  • Strike: 262 (geogr angle: north=0, south=180)
  • Dip: 10 degree
  • Rake: 90 degree
  • Depth: 10 km

Calculation parameters

  • Calculation space (lon/lat): 119.906, 21.596, 122.906, 24.596
  • 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.