M 4.7 in China on 29 Jul 2014 08:20 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: 4.7M
Depth: 11.71 Km
Lat/Lon: 31.5 , 105.2
Event Date: 29 Jul 2014 08:20 UTC
29 Jul 2014 16:20 Local
Exposed Population:
18459182 people within 100km
Source: NEIC
Inserted at: 30 Jul 2014 06:15 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.1 0.1
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
1056391 0.1 29 Jul 2014 08:20 4.7M, 11.71km N/A 18.5 million (in 100km) 21:54 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 Chengdu, and Da'an.

Radius Population
100 km 18.5 million people
75 km 10.7 million people
50 km 4.6 million people
20 km 610000 people
10 km 140000 people
5 km 31000 people
2 km 5100 people

Affected Provinces

Region Province Country Population
Sichuan China 118.8 million people

Affected populated places

Name Region Province Country City class Population Distance
Da'an Sichuan China Village - 10 km
Chengdu Sichuan China Major city 2.3 million people 142 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
Mianyang 30480 42 km

Dams

Reservoir Dam Name River Year Distance
Hongqiyan Trib. Pei Jiang 1971 18 km

More information

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