M 4.9 in Mexico on 20 May 2014 01:39 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: 4.9M
Depth: 62.74 Km
Lat/Lon: 18.1568 , -99.9519
Event Date: 20 May 2014 01:39 UTC
19 May 2014 20:39 Local
Exposed Population:
1968518 people within 100km
Source: NEIC
Inserted at: 20 May 2014 01:52 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.2 0.2
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
1050072 0.2 20 May 2014 01:39 4.9M, 62.74km N/A 2 million (in 100km) 00:12 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, Apaxtla, and Tlampatlan.

Radius Population
100 km 2 million people
75 km 870000 people
50 km 400000 people
20 km 31000 people
10 km 11000 people
5 km 5100 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
Apaxtla Guerrero Mexico Village 7300 people 5 km
Tlampatlan Guerrero Mexico Village - 6 km
Chilpancingo Guerrero Mexico Major city 160000 people 82 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
Iguala 865 48 km
Santa Barbara 299 74 km
Chilpancingo 1280 Civ. Paved No 4400 79 km

Dams

Reservoir Dam Name River Year Distance
Carlos Ramirez Ulloa Balsas 1986 23 km

More information

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