M 4.7 in Mexico on 21 Feb 2017 10:40 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: 4.7M
Depth: 10 Km
Lat/Lon: 16.1932 , -98.6763
Event Date: 21 Feb 2017 10:40 UTC
21 Feb 2017 04:40 Local
Exposed Population:
550000 people within 100km
Source: NEIC us20008l2z
Inserted at: 21 Feb 2017 14:18 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
us20008l2z 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
1158167 0 21 Feb 2017 10:40 4.6M, 60.06km N/A 640 thousand (in 100km) 01:10 NEIC
1158181 0 21 Feb 2017 10:40 4.7M, 10km N/A 550 thousand (in 100km) 03:37 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 Las Conchitas, San Nicolás, Tierra Colorada, Santiago, Armenta, Cuajinicuilapa, Vista Hermosa, Huanacastle, Ciruelo, Piedra Ancha, and San Cristóbal.

Radius Population
100 km 640000 people
75 km 390000 people
50 km 120000 people
20 km 6400 people
10 km <1000 people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Guerrero Mexico 2.9 million people
Oaxaca Mexico 3.3 million people

Affected populated places

Name Region Province Country City class Population Distance
Las Conchitas Oaxaca Mexico Village - 16 km
San Nicolás Guerrero Mexico Village - 17 km
Tierra Colorada Guerrero Mexico Village - 21 km
Santiago Oaxaca Mexico Village - 23 km
Armenta Oaxaca Mexico Village - 27 km
Cuajinicuilapa Guerrero Mexico Village 9300 people 27 km
Vista Hermosa Guerrero Mexico Village - 38 km
Huanacastle Oaxaca Mexico Village - 39 km
Ciruelo Oaxaca Mexico Village - 40 km
Piedra Ancha Guerrero Mexico Village - 41 km
Marquelia Guerrero Mexico Village 6800 people 41 km
San Juan Bautista lo de Soto Oaxaca Mexico Village - 45 km
Pie Cerro Oaxaca Mexico Village - 47 km
Ometepec Guerrero Mexico Village 18000 people 48 km
Igualapa Guerrero Mexico Village - 48 km
Lo de Liborio Oaxaca Mexico Village - 49 km
Azoyú Guerrero Mexico Village 4200 people 50 km
Huanjintepec Guerrero Mexico Village - 51 km
Acatepec Guerrero Mexico Village - 52 km
La Soledad Guerrero Mexico Village - 53 km
Copala Guerrero Mexico Village 6800 people 54 km
Alto de las Mesas Oaxaca Mexico Village - 57 km
Achiotes Oaxaca Mexico Village - 58 km
Cacahuatepec Oaxaca Mexico Village 3600 people 58 km
Pinotepa Oaxaca Mexico Village - 58 km
San Luis Acatlan Guerrero Mexico Village - 59 km
Cuautepec Guerrero Mexico Village 3400 people 63 km
Quetzalapa Guerrero Mexico Village - 64 km
Tlacoachixtlahuaca Guerrero Mexico Village - 65 km
Xochistlahuaca Guerrero Mexico Village 3500 people 66 km
Jicayan Oaxaca Mexico Village 4200 people 67 km
Chico Ometepec Oaxaca Mexico Village - 68 km
Coacoyulichan Guerrero Mexico Village - 68 km
San Cristóbal Guerrero 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
Ta lo de Soto 149 0 28 km
Pinotepa Nacional PNO unknown 0 56 km

Dams

Reservoir Dam Name River Year Distance
El Guineo Nexpa 1985 85 km

More information

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