M 5.5 in China on 17 Sep 2022 14:45 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: 5.5M
Depth: 10 Km
Lat/Lon: 22.9716 , 121.2155
Event Date: 17 Sep 2022 14:45 UTC
17 Sep 2022 22:45 Local
Exposed Population: About 3000 people in MMI
3 thousand (in MMI>=VII)
Source: NEIC us7000i8v9
Inserted at: 17 Sep 2022 15:04 UTC
INFORM Coping capacity of the alert score
3.6 (Taiwan)

GDACS Score

For more info on GDACS score click here.
  Earthquake
(Shakemap)		 GDACS score
NEIC 0 0
us7000i8v9 Scaled population (raster) 2.29  
  C1 shakemap -0.59  
  C2 shakemap 0.53  
  Country Vulnerability 0  
  INFORM_normalised 0.82  
Maximum expected impact using different data sources.

Episode Timeline

IDLevelScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1462519 0 17 Sep 2022 14:45 5.5M, 10km 6.8 3 thousand (in MMI>=VII) 00:18 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.

Exposed population

The earthquake happened in China , Province of Taiwan (population 102,823) . The nearest places are Tu-ho, Hsin-ch'ang-ts'un, Ch'ing-hsi, A-hou-liao, Yung-kang, Kuan-shan, Hsin-i, Shui-chui, Ch'ih-shang, Ch'u-lu, and Hsin-ying.

Radius Population
100 km 4.3 million people
75 km 420000 people
50 km 220000 people
20 km 39000 people
10 km 12000 people
5 km <1000 people
2 km <1000 people

Affected Provinces

Region Province Country Population
Taiwan China 100000 people

Critical infrastructure

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

Airports

Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft) Distance
Taitung TTT 37 Mil. Paved No 11000 20 km
Feng Nin 42 Civ. Paved Yes 7900 27 km
Green Island GNI 8 Civ. Paved No 3300 42 km
Pingtung North 29 Mil. Paved No 8000 81 km
Pingtung South 24 Mil. Paved Yes 7800 84 km
Kuei Jen 30 0 96 km
Highway Strip 331 334 11 0 98 km
Kaohsiung International KHH 9 Civ. Paved Yes 10300 99 km
Kangshan 10 Mil. Paved No 7500 100 km

Ports

Name LOCODE Country Distance
Tai Tung Taiwan 29 km
Tai Nan Taiwan 91 km

Dams

Reservoir Dam Name River Year Distance
Tsengwen Tsengwen 1973 76 km
Wushantou Offstream Kuantien 1930 90 km

More information

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