M 6.2 in Mexico on 21 Aug 2013 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: 6.2M
Depth: 20 Km
Lat/Lon: 16.9168 , -99.3814
Event Date: 21 Aug 2013 12:38 UTC
21 Aug 2013 07:38 Local
Exposed Population:
1863269 people within 100km
Source: NEIC usb000j83t
Inserted at: 21 Aug 2013 13:39 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.8 0.8
usb000j83t 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
1005574 0.8 21 Aug 2013 12:38 6.1M, 34.8km N/A 1.9 million (in 100km) 00:18 NEIC
1005584 0.8 21 Aug 2013 12:38 6.2M, 20km N/A 1.9 million (in 100km) 01:00 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 Mexico , State of Guerrero (population 2,867,451) . The nearest places are Chilpancingo, Acapulco, and Colotepec.

Radius Population
100 km 1.9 million people
75 km 1.6 million people
50 km 420000 people
20 km 60000 people
10 km 23000 people
5 km 12000 people
2 km <1000 people

Affected Provinces

Region Province Country Population
Guerrero Mexico 2.9 million people

Affected populated places

Name Region Province Country City class Population Distance
Colotepec Guerrero Mexico Village - 10 km
Chilpancingo Guerrero Mexico Major city 160000 people 62 km
Acapulco Guerrero Mexico Major city 640000 people 62 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
Alvarez International ACA 5 Civ. Paved Yes 10800 51 km
Chilpancingo 1280 Civ. Paved No 4400 65 km
Pie de la Cuesta 6 68 km

Ports

Name LOCODE Country Distance
Puerto Marques Mexico 58 km
Acapulco MXACA Mexico 61 km

Dams

Reservoir Dam Name River Year Distance
El Guineo Nexpa 1985 29 km

More information

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