M 4.9 in Taiwan on 23 Apr 2024 16:02 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: 4.9M
Depth: 7.5 Km
Lat/Lon: 24.0619 , 121.7117
Event Date: 23 Apr 2024 16:02 UTC
24 Apr 2024 00:02 Local
Exposed Population:
60 thousand in MMI V
Source: NEIC us6000mt7l
Inserted at: 23 Apr 2024 17:03 UTC
INFORM Coping capacity of the alert score: 3.6 (Taiwan)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Rapid Impact)		 GDACS score
NEIC 0 0
us6000mt7l Scaled population (raster) 0  
  C1 rapid impact 0  
  C2 rapid impact 0  
  Country Vulnerability 0  
  INFORM_normalised 0  
Maximum expected impact using different data sources.

The green area correspond to areas affected by strong shaking (MMI VI or higher) according to the simulation.


Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1566831 0 23 Apr 2024 16:02 4.9M, 7.5km 4.84 N/A (in MMI>=VII) N/A 01:01 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.

Rapid Impact

The results presented below are calculated with the ShakeMap open source software (USGS) using only earthquake hypocenter information to provide a rapid estimation of the ground motion and shaking intensity without taking into account any instrumental observations or earthquake source scaling laws.

Exposed population

The earthquake happened in Taiwan ,of Taiwan (population 22,456,987) . The alertlevel for this event is GREEN

Intensity Population
60000 people

Affected Provinces

Intensity Region Province Population
Taiwan 17000 people
Taiwan 130000 people

Affected populated places. Areas of interest

Intensity Name Region Province City class Population Distance
Hsin-ch'eng Hua-lien City - 11 km
Ta-shan Hua-lien Village - 13 km
T'ieh-chia-lung-she Hua-lien City - 13 km
Hua-lien Hua-lien Major city - 15 km

see full list

Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

Airports

Intensity Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft) Distance
Hualien HUN 16 Civ. Paved Yes 9000 10 km

Ports

Intensity Name LOCODE Distance
Hualien TWHUN 12 km

More information

For a full list of available products related to this event, please refer to the GDACS Resources page.