M 6.1 in China on 18 Apr 2019 05:01 UTC

Hazard models

EQ parameters
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) 2.24  
  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 95,003) . The alertlevel for this event is GREEN

Intensity Population
270000 people
8.4 million 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 210000 people
Taiwan China 320000 people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Hua-lien Hua-lien Taiwan Major city - 10 km
Ta-shan Hua-lien Taiwan Village - 12 km
Hsin-ch'eng Hua-lien Taiwan City - 17 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
Lo-shao Hua-lien Taiwan Village - 35 km
Sung-pai T'ai-chung Taiwan Village - 53 km
Feng-shan Hua-lien Taiwan Village - 26 km
Ao-hua I-lan Taiwan Village - 38 km
Nan-ao I-lan Taiwan City - 55 km
Yü-lan I-lan Taiwan Village - 76 km
I-lan I-lan Taiwan Major city - 86 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

Ports

Intensity Name LOCODE Country Distance
Hualien TWHUN Taiwan 7 km

More information

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