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M 4.5 in Mexico on 20 Apr 2017 21:13 UTC
GDACS Event Report - Earthquake impact

Earthquake event

Population map close up
Population map close up. (Source: JRC)
  • Magnitude: 4.5 M
  • Depth: 30.88 km (deep)
  • Source: NEIC NEIC us10008je0
  • Location (latitude/longitude): 17.3924, -101.7898
  • Time (UTC): 20 Apr 2017 21:13:37
  • Time (ECT): 20 Apr 2017 23:13:37

Event time line

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IDAlertScore DateMag, DepthMax Intensity (MMI*)Pop [100 km or MMI 9-7]Tsunami risk (max height)Delay (hh:mm) Source
1164715 0

Calculation Episode detail

Reference Id Level Score Type Date Added Population
100km or MMI9-7    
20km or Max MMI    
Max Height(m)
Episode 1164715
1 realtime 2017-04-20 23:33:17 400 thousand 0
  Earthquake 182610
0 realtime 2017-04-20 23:33:17 400 thousand No people affected 0
20 Apr 2017 21:13 4.5M, 30.88km N/A 400 thousand 00:19 NEIC NEIC

(*) Modified Mercalli Intensity Scale

Earthquake impact details


Population near epicenter
Radius Population
100 km 400000 people
75 km 190000 people
50 km 110000 people
20 km no people
10 km no people
5 km no people
2 km no people

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.

Affected provinces

Region Province Country Population
Guerrero Mexico 2.8 million people
Michoacan Mexico 3.8 million people
Mexico Mexico 10.6 million people
Jalisco Mexico 5.7 million people
Colima Mexico 460000 people
Morelos Mexico 1.2 million people
Guanajuato Mexico 4.3 million people
Puebla Mexico 4.4 million people
Distrito Federal Mexico 9.7 million people
Queretaro Mexico 1.1 million people
Oaxaca Mexico 3.3 million people
Hidalgo Mexico 2 million people
Tlaxcala Mexico 820000 people
Zacatecas Mexico 1.3 million people
Nayarit Mexico 890000 people
San Luis Potosi Mexico 2.1 million people
Aguascalientes Mexico 780000 people
Veracruz Mexico 6.7 million people

Affected Populated Places

See complete places

Name Region Province Country City class Population Distance
Zihuatanejo Guerrero Mexico Village4 60000 people 36 km
Barrio Nuevo Guerrero Mexico Village6 - 41 km
Coacoyul Guerrero Mexico Village6 5600 people 45 km
Lagunillas Guerrero Mexico Village5 - 49 km
San Geronimito Guerrero Mexico Village5 - 50 km
Arroyo Grande Guerrero Mexico Village6 - 53 km
El Tular Guerrero Mexico Village5 - 53 km
Petatlán Guerrero Mexico City 20000 people 57 km
Barroterán Guerrero Mexico Village5 - 60 km
Catedral Guerrero Mexico Village6 - 62 km
Zumatlán Guerrero Mexico Village5 - 63 km
La Unión Guerrero Mexico Village5 3000 people 65 km
Joluta Guerrero Mexico Village6 - 68 km
Calvario Guerrero Mexico Village6 - 68 km

Critical infrastructure

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

Nearby and affected 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
Major ports
Name LOCODE Country Distance
Lazaro Cardenas MXLZC Mexico 70 km
Reservoir Dam Name River Year Distance
Jose M. Morelos Balsas 1968 84 km
Inhernillo El Infiernillo Balsas 1963 98 km

More information

Data resources

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About the data


While we try everything to ensure accuracy, this information is purely indicative and should not be used for any decision making without alternate sources of information. The JRC is not responsible for any damage or loss resulting from the use of the information presented on this website.