M 6.1 in China on 18 Apr 2019 05:01 UTC
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: 6.1M
Depth: 20 Km
Lat/Lon: 23.9888 , 121.6934
Event Date: 18 Apr 2019 05:01 UTC
18 Apr 2019 13:01 Local
Exposed Population: 130000 people in MMI
1420000 people within 100km
Source: NEIC us700038c1
Inserted at: 18 Apr 2019 06:27 UTC
INFORM Coping capacity of the alert score: 3.6 (Taiwan)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)
GDACS score
NEIC 0 0
us700038c1 Scaled population (vector) 3.87  
  C1 shakemap -0.59  
  C2 shakemap 0.53  
  Country Vulnerability 0  
  INFORM_normalised 0.82  
Maximum expected impact using different data sources.

ShakeMap is a product of the USGS Earthquake Hazards Program in conjunction with the regional seismic networks. ShakeMaps provide near-real-time maps of ground motion and shaking intensity following significant earthquakes.


Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1256977 0.7 18 Apr 2019 05:01 6M, 10km 6.97 130 thousand (in MMI>=VII) 00:19 NEIC
1256985 0 18 Apr 2019 05:01 6.1M, 20km 6.32 130 thousand (in MMI>=VII) 01:26 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 ,of Taiwan (population 42,986) . The alertlevel for this event is GREEN

Intensity Population
130000 people
85000 people
500000 people
no people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0.6 1256977 24.066/121.688 6.0 10.0 6.776 18 Apr 2019 05:23 00:22 (new episode)
2 0.7 1256977 24.066/121.688 6.0 10.0 6.968 18 Apr 2019 05:55 00:53 (upd of #1)
3 0.7 1256985 24.066/121.688 6.0 10.0 6.968 18 Apr 2019 06:27 01:26 (new episode)
4 0 1256985 23.989/121.693 6.1 20.0 5.965 18 Apr 2019 06:32 01:31 (upd of #3)
5 0 1256985 23.989/121.693 6.1 20.0 5.965 18 Apr 2019 07:05 02:04 (upd of #4)
6 0 1256985 23.989/121.693 6.1 20.0 6.319 18 Apr 2019 15:38 10:37 (upd of #5)
7 0 1256985 23.989/121.693 6.1 20.0 6.325 19 Apr 2019 05:05 1d 00:04 (upd of #6)

Affected Provinces

Intensity Region Province Country Population
Taiwan China 43000 people
Taiwan China 130000 people
Taiwan China 100000 people
Taiwan China 5.4 million people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Ta-shan Hua-lien Taiwan Village - 12 km
Hsin-ch'eng Hua-lien Taiwan City - 17 km
Hua-lien Hua-lien Taiwan Major city - 10 km
Ch'u-yin Hua-lien Taiwan Village - 17 km
T'ieh-chia-lung-she Hua-lien Taiwan City - 19 km
Jung-shu Hua-lien Taiwan Village - 20 km
Feng-shan Hua-lien Taiwan Village - 26 km
Shui-lien Hua-lien Taiwan Village - 27 km
Feng-lin Hua-lien Taiwan Village - 33 km
Lo-shao Hua-lien Taiwan Village - 35 km
Feng-kuang Hua-lien Taiwan Village - 37 km
Ao-hua I-lan Taiwan Village - 38 km
Chia-lu-lan Hua-lien Taiwan Village - 35 km
Sha-lao Hua-lien Taiwan Village - 45 km
Feng-pin Hua-lien Taiwan Village - 47 km
Sung-pai T'ai-chung Taiwan Village - 53 km
Nan-ao I-lan Taiwan City - 55 km
Fu-min Hua-lien Taiwan Village - 58 km
Mi-lo Hsin-chu Taiwan Village - 59 km
Shih-ti-ping Hua-lien Taiwan City - 60 km
Ta-lo-ma Hua-lien Taiwan Village - 63 km
Tu-chang I-lan Taiwan Village - 69 km
Su-ao I-lan Taiwan City - 69 km
YĆ¼-lan I-lan Taiwan Village - 76 km
I-lan I-lan Taiwan Major city - 86 km
Pan-ch'iao T'ai-pei Taiwan Major city - 113 km
Yuan Lin Chang-hua Taiwan City - 116 km
Taipei T'ai-pei Chuan-Shih Taiwan Capital 2.5 million people 117 km
Ho-mel Chang-hua Taiwan City - 123 km
Ta-t'u-t'ou Chang-hua Taiwan Village - 125 km
Lu-kang Chang-hua Taiwan City - 129 km
Tai-tung T'ai-tung Taiwan City - 148 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 9 km
Lishan LHN unknown 0 56 km
9 0 83 km
Sungshan TSA 6 Civ. Paved Yes 8500 121 km
Highway Strip 206 23 0 123 km
Feng Nin 42 Civ. Paved Yes 7900 150 km

Ports

Intensity Name LOCODE Country Distance
Hualien TWHUN Taiwan 7 km
Suao TWSUO Taiwan 70 km
Taichung TWTXG Taiwan 123 km

Dams

Intensity Reservoir Dam Name River Year Distance
Guguan Dajiaxi 1961 73 km

More information

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