M 5.5 in China on 04 Feb 2018 14:10 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: 5.5M
Depth: 9.48 Km
Lat/Lon: 24.1355 , 121.7578
Event Date: 04 Feb 2018 14:10 UTC
04 Feb 2018 22:10 Local
Exposed Population: 4560000 people within 100km
Source: NEIC us1000cfns
Inserted at: 04 Feb 2018 14:57 UTC
INFORM Coping capacity of the alert score
3.6 (China)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 GDACS score
NEIC 0 0
us1000cfns Scaled population (vector) -8  
  C1 shakemap -0.37  
  C2 shakemap 0.76  
  Country Vulnerability 0  
  INFORM_normalised 0.82  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1197297 0 04 Feb 2018 14:10 5.5M, 9.48km 4.35 N/A (in MMI>=VII) 00:46 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 22,456,987) . The nearest places are T'ieh-chia-lung-she, Hsin-ch'eng, Ta-shan, Ao-hua, Hua-lien, Ch'u-yin, Jung-shu, Lo-shao, Chiu-wu-t'a, Chi-chia-yang, and Pan-ch'iao.

Radius Population
100 km 3.2 million people
75 km 710000 people
50 km 250000 people
20 km 36000 people
10 km <1000 people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Taiwan China 22.5 million people

Affected populated places

Name Region Province Country City class Population Distance
T'ieh-chia-lung-she Hua-lien Taiwan City - 12 km
Hsin-ch'eng Hua-lien Taiwan City - 13 km
Ta-shan Hua-lien Taiwan Village - 20 km
Ao-hua I-lan Taiwan Village - 22 km
Hua-lien Hua-lien Taiwan Major city - 24 km
Ch'u-yin Hua-lien Taiwan Village - 31 km
Jung-shu Hua-lien Taiwan Village - 32 km
Lo-shao Hua-lien Taiwan Village - 33 km
Chiu-wu-t'a I-lan Taiwan Village - 36 km
Chi-chia-yang I-lan Taiwan Village - 37 km
Nan-ao I-lan Taiwan City - 38 km
Feng-shan Hua-lien Taiwan Village - 42 km
Kuan-yüan Hua-lien Taiwan Village - 43 km
Shui-lien Hua-lien Taiwan Village - 44 km
Wan-shan-t'ang Hua-lien Taiwan Village - 45 km
Feng-lin Hua-lien Taiwan Village - 49 km
Mi-lo Hsin-chu Taiwan Village - 51 km
Su-ao I-lan Taiwan City - 52 km
Sung-pai T'ai-chung Taiwan Village - 52 km
Chieh-hsiao-ts'un T'ai-chung Taiwan Village - 52 km
Chia-lu-lan Hua-lien Taiwan Village - 52 km
Chien-fan Hua-lien Taiwan Village - 53 km
Feng-kuang Hua-lien Taiwan Village - 54 km
Ching-kuan Nan-t'ou Taiwan Village - 55 km
Tu-chang I-lan Taiwan Village - 57 km
A-li-shih I-lan Taiwan Village - 59 km
Hung-hsiang T'ai-chung Taiwan Village - 60 km
Chia-li-wan I-lan Taiwan Village - 61 km
Yü-lan I-lan Taiwan Village - 62 km
Sha-lao Hua-lien Taiwan Village - 62 km
Feng-pin Hua-lien Taiwan Village - 64 km
Chieh-shou-t'ing Nan-t'ou Taiwan Village - 64 km
Chung-hu Hua-lien Taiwan Village - 66 km
Chiu-hsiung-lin I-lan Taiwan Village - 69 km
Ch'ing-shan T'ai-chung Taiwan Village - 69 km
I-lan I-lan Taiwan Major city - 70 km
Pan-ch'iao T'ai-pei Taiwan Major city - 99 km

see full list

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
Hualien HUN 16 Civ. Paved Yes 9000 19 km
Lishan LHN unknown 0 56 km
9 0 66 km
Sun Moon Lake SMT unknown 0 88 km
Lung Tan 241 Civ. Paved No 3200 95 km
Pa Kuei 141 0 99 km

Ports

Name LOCODE Country Distance
Hualien TWHUN Taiwan 21 km
Suao TWSUO Taiwan 53 km

Dams

Reservoir Dam Name River Year Distance
Guguan Dajiaxi 1961 76 km
Shihmen Tahan 1964 91 km

Nuclear plants

Name Country Reactors Distance
LUNG-MEI TAIWAN 2 31 km

More information

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