M 4.5 in Mexico on 23 Sep 2017 23:06 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: 8.9 Km
Lat/Lon: 16.6593 , -94.9873
Event Date: 23 Sep 2017 23:06 UTC
23 Sep 2017 18:06 Local
Exposed Population:
710000 people within 100km
Source: NEIC us2000atqq
Inserted at: 23 Sep 2017 23:36 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
us2000atqq Scaled population (vector) 6.15  
  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
1181697 0 23 Sep 2017 23:06 4.5M, 8.9km N/A 720 thousand (in 100km) 00:29 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 Agua Caliente, Agua Fría, Almoloya, Cordoncillo, Carnicería, Ciudad Ixtepec, Asunción, Ixaltepec, Agua Escondida, Cabrera, and San Jerónimo Zoochina.

Radius Population
100 km 720000 people
75 km 590000 people
50 km 370000 people
20 km 69000 people
10 km 4700 people
5 km <1000 people
2 km <1000 people

Affected Provinces

Region Province Country Population
Oaxaca Mexico 3.3 million people

Affected populated places

Name Region Province Country City class Population Distance
Agua Caliente Oaxaca Mexico Village - 3 km
Agua Fría Oaxaca Mexico Village - 11 km
Almoloya Oaxaca Mexico Village - 13 km
Cordoncillo Oaxaca Mexico Village - 14 km
Carnicería Oaxaca Mexico Village - 15 km
Ciudad Ixtepec Oaxaca Mexico City - 16 km
Asunción Oaxaca Mexico Village - 18 km
Ixaltepec Oaxaca Mexico Village - 18 km
Agua Escondida Oaxaca Mexico Village - 18 km
Cabrera Oaxaca Mexico Village - 19 km
Santo Domingo Petapa Oaxaca Mexico Village - 24 km
Matías Romero Oaxaca Mexico City 20000 people 25 km
Guexchoza Oaxaca Mexico Village - 26 km
Juchitan Oaxaca Mexico City 66000 people 26 km
Chahuite Oaxaca Mexico Village - 26 km
Comitancillo Oaxaca Mexico Village 3800 people 26 km
Unión Hidalgo Oaxaca Mexico City 12000 people 27 km
San Miguel Chimalapa Oaxaca Mexico Village - 27 km
Chicapa Oaxaca Mexico Village - 31 km
Niza Viahui Oaxaca Mexico Village - 31 km
Escuilapa Oaxaca Mexico Village - 32 km
Camarón Oaxaca Mexico Village - 33 km
Santa María Xandani Oaxaca Mexico Village - 34 km
Guichicovi Oaxaca Mexico Village 4300 people 34 km
Mogone Oaxaca Mexico Village - 36 km
Soledad Oaxaca Mexico Village - 36 km
Charnehuite Oaxaca Mexico Village - 36 km
La Chivisha Oaxaca Mexico Village - 39 km
San Francisco Oaxaca Mexico Village - 39 km
Lagarto Oaxaca Mexico Village - 42 km
Cacaotal Oaxaca Mexico Village - 42 km
Platanillo Oaxaca Mexico Village - 42 km
Niltepec Oaxaca Mexico Village 3200 people 42 km
Chimalapa Oaxaca Mexico Village - 43 km
Las Pilas Oaxaca Mexico Village - 44 km
Hueva de Humboldt Oaxaca Mexico Village - 44 km
Lachiloya Oaxaca Mexico Village - 45 km
San Dionisio del Mar Oaxaca Mexico Village 3300 people 46 km
Tehuantepec Oaxaca Mexico City 37000 people 46 km
Conchita Oaxaca Mexico Village - 47 km
Boca del Monte Oaxaca Mexico Village - 47 km
Los Icacos Oaxaca Mexico Village - 49 km
Costa Rica Oaxaca Mexico Village - 50 km
Aguacatenango Oaxaca Mexico Village - 53 km
Pesquería Oaxaca Mexico Village - 54 km
El Modelo Oaxaca Mexico Village - 54 km
La Puerta Oaxaca Mexico Village - 55 km
Yegogenda Oaxaca Mexico Village - 55 km
Agua Calientes Oaxaca Mexico Village - 57 km
Salina Cruz Oaxaca Mexico City 74000 people 58 km
Hacienda del Corte Oaxaca Mexico Village - 58 km
Coatlán Oaxaca Mexico Village - 58 km
Desiderio Oaxaca Mexico Village - 59 km
Zapote Oaxaca Mexico Village - 59 km
Majada Coyote Oaxaca Mexico Village - 59 km
La Majada Oaxaca Mexico Village - 60 km
Cocú Oaxaca Mexico Village - 60 km
San Francisco del Mar Oaxaca Mexico Village 4000 people 61 km
San Juan Mazatlán Oaxaca Mexico Village - 62 km
Reforma Oaxaca Mexico Village - 63 km
Palo Grande Oaxaca Mexico Village - 64 km
Agonía Oaxaca Mexico Village - 65 km
Ixhuatán Oaxaca Mexico Village 5500 people 66 km
Río Grande Oaxaca Mexico Village - 67 km
Concepción Oaxaca Mexico Village - 68 km
San Jerónimo Zoochina Oaxaca 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
Ixtepec IZT unknown 0 16 km
Ixtepec Military 50 Civ. Paved Yes 7500 24 km
Salina Cruz SCX 23 0 54 km

Ports

Name LOCODE Country Distance
Salina Cruz MXSCX Mexico 60 km

Dams

Reservoir Dam Name River Year Distance
Presidente Benito Juarez Tehuantepec 1961 50 km

More information

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