M 4.5 in China on 27 Sep 2012 12:38 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: 4.5M
Depth: Km
Lat/Lon: 37.6289 , 95.8876
Event Date: 27 Sep 2012 12:38 UTC
27 Sep 2012 20:38 Local
Exposed Population:
About 22000 people within 100km
Source: NEIC usc000cwuw
Inserted at: 27 Sep 2012 13:00 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.5 0.5
usc000cwuw 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
119906 0.5 27 Sep 2012 12:38 4.5M, 32.9km N/A 20 thousand (in 100km) 00:21 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 Qinghai (population 4,938,862) . The nearest places are Lücaoshan, Dameigou, Datouyang, Hangya, Juhongtu, Xiao Qaidam, Shenglikou, Mahuanggou, Da Qaidam Zhen, Hsi-t'ieh-shan, and Da Qaidam.

Radius Population
100 km 20000 people
75 km 16000 people
50 km 5200 people
20 km <1000 people
10 km no people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Qinghai China 4.9 million people

Affected populated places

Name Region Province Country City class Population Distance
Lücaoshan Qinghai China Village - 14 km
Dameigou Qinghai China Village - 29 km
Datouyang Qinghai China Village - 38 km
Hangya Qinghai China Village - 43 km
Juhongtu Qinghai China Village - 44 km
Xiao Qaidam Qinghai China Village - 46 km
Shenglikou Qinghai China Village - 46 km
Mahuanggou Qinghai China Village - 50 km
Da Qaidam Zhen Qinghai China City - 53 km
Hsi-t'ieh-shan Qinghai China Village - 54 km
Da Qaidam Qinghai China Village - 56 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.