M 6.6 in Mexico on 17 Dec 2015 19:49 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: 6.6M
Depth: 93.72 Km
Lat/Lon: 15.8771 , -93.4642
Event Date: 17 Dec 2015 19:49 UTC
17 Dec 2015 13:49 Local
Exposed Population:
740000 people within 100km
Source: NEIC
Inserted at: 17 Dec 2015 22:03 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC -0.1 -0.1
Scaled population (vector) n.a  
  C1 earthquake n.a  
  C2 earthquake n.a  
  Country Vulnerability n.a  
  INFORM_normalised n.a  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1111970 -0.1 17 Dec 2015 19:49 6.5M, 126km N/A 1 million (in 100km) 00:06 GEOFON
1111973 -0.2 17 Dec 2015 19:49 6.6M, 117km N/A 600 thousand (in 100km) 00:13 NTWC    
1111980 -0.2 17 Dec 2015 19:49 6.4M, 96.88km N/A 740 thousand (in 100km) 00:22 NEIC
1111994 -0.1 17 Dec 2015 19:49 6.6M, 93.72km 5 740 thousand (in 100km) 02:13 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 Chiapas (population 3,524,501) . The nearest places are Tuxtla Guti�rrez, and Buenavista.

Radius Population
100 km 600000 people
75 km 370000 people
50 km 160000 people
20 km 16000 people
10 km 7400 people
5 km 1800 people
2 km <1000 people

Affected Provinces

Region Province Country Population
Chiapas Mexico 3.5 million people

Affected populated places

Name Region Province Country City class Population Distance
Buenavista Chiapas Mexico Village - 8 km
Tuxtla Guti�rrez Chiapas Mexico Major city 440000 people 113 km

see full list

Critical infrastructure

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

Dams

Reservoir Dam Name River Year Distance
El Portillo Cuxtepeques 1980 68 km

More information

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