M 6.4 in Taiwan on 03 Apr 2024 00:11 UTC

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: 6.4M
Depth: 12.6 Km
Event Date: 03 Apr 2024 00:11 UTC
03 Apr 2024 08:11 Local
Exposed Population: 190 thousand (in MMI>=VII)
Source: NEIC us7000m9gc
Inserted at: 03 Apr 2024 01:15 UTC
INFORM Coping capacity of the alert score:
3.6 (China)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)
Tsunami GDACS score
NEIC 0.8 0.1 0.1
us7000m9gc Scaled population (vector) 4.08 Max wave alert 0.18m  
  C1 shakemap -0.59 Max wave realtime 0.18m  
  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
1562641 1.1 03 Apr 2024 00:11 6.5M, 11.8km 7.81 210 thousand (in MMI>=VII) 0.3m (at 00:08) 00:15 NEIC
1562657 0.1 03 Apr 2024 00:11 6.4M, 12.6km 7 190 thousand (in MMI>=VII) 0.2m (at 00:07) 01:04 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 Hua-lien, Taiwan. This height is estimated for 3-Apr-2024 00:18:66.

Alert Date (UTC) Name Country Wave height (m)
3-Apr-2024 00:18:66 Hua-lien Taiwan  0.2
3-Apr-2024 00:15:35 Hsin-ch'eng Taiwan  0.1
3-Apr-2024 00:15:35 T'ieh-chia-lung-she Taiwan  0.1
3-Apr-2024 00:25:69 Shui-lien Taiwan  0.1
3-Apr-2024 00:11:00 Ta-shan Taiwan  0.1
3-Apr-2024 01:01:91 Chia-lu-lan Taiwan  0.1
3-Apr-2024 00:29:56 Nan-ao Taiwan  0.1
3-Apr-2024 00:21:53 Feng-pin Taiwan  0.1
3-Apr-2024 00:38:22 Su-ao Taiwan  0.1

See full locations list (RSS)


Initial conditions

Title: ""M 6.4, 11 km NE of Hualien City, Taiwan""

Fault parameters

  • Latitude: 24.064
  • Longitude: 121.672
  • Length: 25 km
  • Width: 7 km
  • Magnitude: 6.4 M

Okada parameters:

  • Slip: .6 m
  • Strike: 262 (geogr angle: north=0, south=180)
  • Dip: 14 degree
  • Rake: 90 degree
  • Depth: 13 km

Calculation parameters

  • Calculation space (lon/lat): 120.172, 22.564, 123.172, 25.564
  • 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.