M 6.9 in China from 20 Apr 2013 00:02 UTC to 00:02

Hazard models

EQ parameters
Shakemap
Tsunami

Event summary

This earthquake is expected to have a medium humanitarian impact based on the magnitude and the affected population and their vulnerability.

Earthquake Magnitude: 6.9M
Glide number: EQ-2013-000046-CHN
Depth: 16.4 Km
Lat/Lon: 30.3136 , 102.934
Event Date: 20 Apr 2013 00:02 UTC
20 Apr 2013 08:02 Local
Exposed Population: 5091877 people within 100km
Source: NEIC usb000gcdd
Inserted at: 20 Apr 2013 00:26 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 1.4 1.4
usb000gcdd Scaled population (vector) n.a  
  C1 earthquake n.a  
  C2 earthquake n.a  
  Country Vulnerability n.a  
  INFORM_normalised n.a  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
124193 1.4 20 Apr 2013 00:02 6.9M, 16.4km N/A 5.1 million (in 100km) 00:23 NEIC
124194 1.2 20 Apr 2013 00:02 6.6M, 12.3km 8.22 90 thousand (in MMI>=VII) 1384d 13:10 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 Sichuan (population 118,811,800) . The nearest places are Taipingchang, Lingguan, Lushan, Baoxing, Yanjingping, T'ien-ch'üan, Longdong, Xindian, Mingshan, Mengyang, and Chin-t'ang.

Radius Population
100 km 5.1 million people
75 km 2.4 million people
50 km 1.1 million people
20 km 110000 people
10 km 8700 people
5 km 1400 people
2 km <1000 people

Affected Provinces

Region Province Country Population
Sichuan China 118.8 million people

Affected populated places

Name Region Province Country City class Population Distance
Taipingchang Sichuan China Village - 7 km
Lingguan Sichuan China Village - 10 km
Lushan Sichuan China Village - 11 km
Baoxing Sichuan China Village - 13 km
Yanjingping Sichuan China Village - 25 km
T'ien-ch'üan Sichuan China Village - 29 km
Longdong Sichuan China Village - 29 km
Xindian Sichuan China Village - 29 km
Mingshan Sichuan China City - 30 km
Mengyang Sichuan China Village - 30 km
Dachigou Sichuan China Village - 31 km
Tianquan Sichuan China City - 32 km
Huo-ching-ts'ao Sichuan China Village - 33 km
Shih-yang Sichuan China City - 33 km
Baizhang Sichuan China Village - 34 km
Yaan Sichuan China City 110000 people 36 km
Tzu-shih Sichuan China Village - 38 km
Duiyan Sichuan China Village - 38 km
P'ing-lo Sichuan China Village - 42 km
Datangpu Sichuan China Village - 42 km
Shuikou Sichuan China Village - 42 km
Caoba Sichuan China Village - 43 km
Shuanghe Sichuan China Village - 43 km
Ch'iao-ch'i Sichuan China Village - 44 km
Shaping Sichuan China Village - 44 km
Qiaogi Sichuan China Village - 46 km
Ch'u-chiang Sichuan China Village - 49 km
Chung-shan-p'ing Sichuan China Village - 50 km
Ch'ia-pien-ch'iao Sichuan China Village - 50 km
Qionglai Sichuan China City - 51 km
Chung-hsing Sichuan China Village - 52 km
Hsing-ching Sichuan China Village - 55 km
Hsi-lai Sichuan China Village - 56 km
Pujiang Sichuan China City - 56 km
Wangsiying Sichuan China Village - 57 km
Dengsheng Sichuan China Village - 58 km
Yingjing Sichuan China City - 58 km
Changpianqiao Sichuan China Village - 59 km
Lo-pa Sichuan China Village - 61 km
Guankou Sichuan China Village - 61 km
Huatan Sichuan China Village - 61 km
Hongya Sichuan China City - 61 km
Hung-ya Sichuan China Village - 62 km
Hongchuan Sichuan China Village - 63 km
Teng-sheng Sichuan China Village - 63 km
Dayi Sichuan China City - 63 km
Dingmugou Sichuan China Village - 63 km
Danleng Sichuan China City - 64 km
Sipingchang Sichuan China Village - 66 km
Shou-an-chen Sichuan China Village - 66 km
Dai Sichuan China Village - 67 km
Tan-leng Sichuan China Village - 67 km
Chin-t'ang Sichuan China Village - 69 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
Chengdu Qionglai 533 0 55 km
Jiajiang 396 0 91 km

Dams

Reservoir Dam Name River Year Distance
Baizhang n/a 32 km
Zonggangshan Trib. Qingyi Jiang n/a 50 km

More information

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