M 4.5 in Mexico on 20 Apr 2017 21:13 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: 30.88 Km
Lat/Lon: 17.3924 , -101.7898
Event Date: 20 Apr 2017 21:13 UTC
20 Apr 2017 14:13 Local
Exposed Population:
400000 people within 100km
Source: NEIC us10008je0
Inserted at: 20 Apr 2017 21:33 UTC
INFORM Coping capacity of the alert score
4.4 (Mexico)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
us10008je0 Scaled population (vector) 0  
  C1 earthquake 1  
  C2 earthquake 0  
  Country Vulnerability 0  
  INFORM_normalised 1  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1164715 0 20 Apr 2017 21:13 4.5M, 30.88km N/A 400 thousand (in 100km) 00:19 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 Zihuatanejo, Barrio Nuevo, Coacoyul, Lagunillas, San Geronimito, Arroyo Grande, El Tular, Petatlán, Barroterán, Catedral, and Calvario.

Radius Population
100 km 400000 people
75 km 200000 people
50 km 110000 people
20 km no people
10 km no people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Guerrero Mexico 2.9 million people
Michoacan Mexico 3.9 million people
Mexico Mexico 10.7 million people
Jalisco Mexico 5.8 million people
Colima Mexico 470000 people
Morelos Mexico 1.3 million people
Guanajuato Mexico 4.3 million people
Puebla Mexico 4.5 million people
Distrito Federal Mexico 9.7 million people
Queretaro Mexico 1.1 million people
Oaxaca Mexico 3.3 million people
Hidalgo Mexico 2.1 million people
Tlaxcala Mexico 830000 people
Zacatecas Mexico 1.4 million people
Nayarit Mexico 900000 people
San Luis Potosi Mexico 2.2 million people
Aguascalientes Mexico 780000 people
Veracruz Mexico 6.8 million people

Affected populated places

Name Region Province Country City class Population Distance
Zihuatanejo Guerrero Mexico Village 61000 people 36 km
Barrio Nuevo Guerrero Mexico Village - 41 km
Coacoyul Guerrero Mexico Village 5700 people 45 km
Lagunillas Guerrero Mexico Village - 49 km
San Geronimito Guerrero Mexico Village - 50 km
Arroyo Grande Guerrero Mexico Village - 53 km
El Tular Guerrero Mexico Village - 53 km
Petatlán Guerrero Mexico City 20000 people 57 km
Barroterán Guerrero Mexico Village - 60 km
Catedral Guerrero Mexico Village - 62 km
Zumatlán Guerrero Mexico Village - 63 km
La Unión Guerrero Mexico Village 3100 people 65 km
Joluta Guerrero Mexico Village - 68 km
Calvario Guerrero Mexico Village - 68 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
Ixtapa Zihuatanejo International ZIH 6 Civ. Paved Yes 8200 42 km
Lazaro Cardenas LZC 12 Civ. Paved No 4900 81 km

Ports

Name LOCODE Country Distance
Lazaro Cardenas MXLZC Mexico 70 km

Dams

Reservoir Dam Name River Year Distance
Jose M. Morelos Balsas 1968 84 km
Inhernillo El Infiernillo Balsas 1963 98 km

More information

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