M 4.5 in Mexico on 18 Dec 2017 10:41 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: 19.64 Km
Lat/Lon: 16.8193 , -94.8979
Event Date: 18 Dec 2017 10:41 UTC
18 Dec 2017 04:41 Local
Exposed Population:
770000 people within 100km
Source: NEIC us2000c5jv
Inserted at: 18 Dec 2017 13:45 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
us2000c5jv Scaled population (vector) 6.05  
  C1 earthquake 1  
  C2 earthquake 0  
  Country Vulnerability -1  
  INFORM_normalised 0.92  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1191426 0 18 Dec 2017 10:41 4.5M, 19.64km N/A 770 thousand (in 100km) 03:03 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 Oaxaca (population 3,329,574) . The nearest places are Carnicería, Chahuite, Cordoncillo, Escuilapa, Matías Romero, Almoloya, San Miguel Chimalapa, Agua Escondida, Mogone, Agua Caliente, and Boca Chalchijapa.

Radius Population
100 km 770000 people
75 km 530000 people
50 km 300000 people
20 km 46000 people
10 km 1700 people
5 km <1000 people
2 km no people

Affected Provinces

Region Province Country Population
Oaxaca Mexico 3.3 million people

Affected populated places

Name Region Province Country City class Population Distance
Carnicería Oaxaca Mexico Village - 5 km
Chahuite Oaxaca Mexico Village - 7 km
Cordoncillo Oaxaca Mexico Village - 12 km
Escuilapa Oaxaca Mexico Village - 14 km
Matías Romero Oaxaca Mexico City 20000 people 16 km
Almoloya Oaxaca Mexico Village - 19 km
San Miguel Chimalapa Oaxaca Mexico Village - 20 km
Agua Escondida Oaxaca Mexico Village - 22 km
Mogone Oaxaca Mexico Village - 22 km
Agua Caliente Oaxaca Mexico Village - 23 km
Guichicovi Oaxaca Mexico Village 4300 people 25 km
Chimalapa Oaxaca Mexico Village - 25 km
Agua Fría Oaxaca Mexico Village - 26 km
Santo Domingo Petapa Oaxaca Mexico Village - 26 km
Boca del Monte Oaxaca Mexico Village - 32 km
El Modelo Oaxaca Mexico Village - 34 km
Soledad Oaxaca Mexico Village - 34 km
Cacaotal Oaxaca Mexico Village - 34 km
Guexchoza Oaxaca Mexico Village - 35 km
Ciudad Ixtepec Oaxaca Mexico City - 36 km
Cabrera Oaxaca Mexico Village - 37 km
Asunción Oaxaca Mexico Village - 38 km
Ixaltepec Oaxaca Mexico Village - 38 km
Hacienda del Corte Oaxaca Mexico Village - 39 km
Unión Hidalgo Oaxaca Mexico City 12000 people 39 km
Platanillo Oaxaca Mexico Village - 40 km
Niltepec Oaxaca Mexico Village 3200 people 43 km
San Francisco Oaxaca Mexico Village - 43 km
Chicapa Oaxaca Mexico Village - 43 km
Charnehuite Oaxaca Mexico Village - 44 km
Los Icacos Oaxaca Mexico Village - 45 km
Juchitan Oaxaca Mexico City 66000 people 45 km
Comitancillo Oaxaca Mexico Village 3800 people 46 km
Zapote Oaxaca Mexico Village - 46 km
Palo Grande Oaxaca Mexico Village - 48 km
Camarón Oaxaca Mexico Village - 49 km
La Chivisha Oaxaca Mexico Village - 50 km
Niza Viahui Oaxaca Mexico Village - 50 km
Aguacatenango Oaxaca Mexico Village - 51 km
Hueva de Humboldt Oaxaca Mexico Village - 52 km
Conchita Oaxaca Mexico Village - 53 km
Santa María Xandani Oaxaca Mexico Village - 53 km
Majada Coyote Oaxaca Mexico Village - 54 km
Doña Mariana Veracruz Mexico Village - 56 km
San Dionisio del Mar Oaxaca Mexico Village 3300 people 58 km
San Jerónimo Zoochina Oaxaca Mexico Village - 58 km
Lachiloya Oaxaca Mexico Village - 59 km
Cocú Oaxaca Mexico Village - 59 km
San Juan Mazatlán Oaxaca Mexico Village - 61 km
Lagarto Oaxaca Mexico Village - 61 km
Coatlán Oaxaca Mexico Village - 63 km
Las Pilas Oaxaca Mexico Village - 63 km
Reforma Oaxaca Mexico Village - 66 km
Tehuantepec Oaxaca Mexico City 37000 people 66 km
Chico Zapote Oaxaca Mexico Village - 66 km
Agotepe Veracruz Mexico Village - 67 km
La Majada Oaxaca Mexico Village - 67 km
Pesquería Oaxaca Mexico Village - 68 km
Yegogenda Oaxaca Mexico Village - 68 km
Costa Rica Oaxaca Mexico Village - 69 km
Zanatepec Oaxaca Mexico Village 6900 people 69 km
Guayabal Oaxaca Mexico Village - 70 km
Jesús Carranza Veracruz Mexico Village 3500 people 70 km
Boca Chalchijapa Veracruz Mexico Village - 70 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
Ixtepec IZT unknown 0 35 km
Ixtepec Military 50 Civ. Paved Yes 7500 45 km
Salina Cruz SCX 23 0 75 km

Ports

Name LOCODE Country Distance
Salina Cruz MXSCX Mexico 80 km

Dams

Reservoir Dam Name River Year Distance
Presidente Benito Juarez Tehuantepec 1961 68 km

More information

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