M 5.9 in China on 21 Jul 2013 23:45 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: 5.9M
Depth: 9.8 Km
Lat/Lon: 34.4991 , 104.2427
Event Date: 21 Jul 2013 23:45 UTC
22 Jul 2013 07:45 Local
Exposed Population: About 65000 people in MMI
4890000 people within 100km
Source: NEIC usb000ije3
Inserted at: 22 Jul 2013 02:11 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.8 0.8
usb000ije3 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
1000764 0.8 21 Jul 2013 23:45 5.9M, 1km N/A 4.9 million (in 100km) 02:19 NEIC
1000765 0.8 21 Jul 2013 23:45 5.9M, 9.8km 7.33 N/A (in MMI>=VII) 02:25 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 Gansu (population 24,790,140) . The nearest places are Tianshui, and Shenduli.

Radius Population
100 km 4.9 million people
75 km 2.7 million people
50 km 1.1 million people
20 km 240000 people
10 km 16000 people
5 km <1000 people
2 km <1000 people

Affected Provinces

Region Province Country Population
Gansu China 24.8 million people

Affected populated places

Name Region Province Country City class Population Distance
Shenduli Gansu China Village - 14 km
Tianshui Gansu China Major city 1 million people 133 km

see full list

Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

More information

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