M 4.6 in Mexico on 07 Dec 2021 18:11 UTC
EQ parameters

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: 4.6M
Depth: 29.13 Km
Lat/Lon: 14.2496 , -93.0327
Event Date: 07 Dec 2021 18:11 UTC
07 Dec 2021 12:11 Local
Exposed Population:
130 thousand in 100km
Source: NEIC us6000ga55
Inserted at: 07 Dec 2021 18:42 UTC
INFORM Coping capacity of the alert score
5.5 (Guatemala)
INFORM Coping capacity of the affected contries: Guatemala= 5.5; Mexico= 4.4


For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
us6000ga55 Scaled population (vector) 4.1  
  C1 earthquake 1  
  C2 earthquake 0  
  Country Vulnerability -0.19  
  INFORM_normalised 1.05  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1414303 0 07 Dec 2021 18:11 4.6M, 29.13km N/A 130 thousand (in 100km) 00:31 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) .

Radius Population
100 km 130000 people
75 km no people
50 km no people
20 km no people
10 km no people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Chiapas Mexico 3.5 million people
San Marcos Guatemala 810000 people
Retalhuleu Guatemala 260000 people
Quezaltenango Guatemala 630000 people
Suchitepequez Guatemala 410000 people
Huehuetenango Guatemala 740000 people
Escuintla Guatemala 570000 people
Solola Guatemala 260000 people
Totonicapan Guatemala 350000 people
Chimaltenango Guatemala 390000 people
Quiche Guatemala 560000 people
Oaxaca Mexico 3.3 million people
Sacatepequez Guatemala 210000 people
Guatemala Guatemala 2.2 million people
Baja Verapaz Guatemala 200000 people
Santa Rosa Guatemala 330000 people
Alta Verapaz Guatemala 510000 people
El Progreso Guatemala 140000 people
Jutiapa Guatemala 430000 people
Jalapa Guatemala 230000 people
Ahuachapan El Salvador 300000 people
Veracruz Mexico 6.8 million people
Sonsonate El Salvador 400000 people
Peten Guatemala 230000 people
Tabasco Mexico 1.6 million people
Zacapa Guatemala 200000 people
Santa Ana El Salvador 520000 people
Chiquimula Guatemala 290000 people
La Libertad El Salvador 490000 people
Izabal Guatemala 330000 people
Chalatenango El Salvador 270000 people
Ocotepeque Honduras 89000 people
San Salvador El Salvador 1.2 million people
Copan Honduras 260000 people
Cuscatlan El Salvador 230000 people
La Paz El Salvador 310000 people
Campeche Mexico 580000 people
Lempira Honduras 210000 people
Cabanas El Salvador 210000 people
Toledo Belize 17000 people
San Vicente El Salvador 230000 people
Usulutan El Salvador 460000 people
Santa Barbara Honduras 310000 people
Cayo Belize 34000 people
San Miguel El Salvador 510000 people
Intibuca Honduras 150000 people

Critical infrastructure

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


Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft) Distance
Tapachula International TAP 29 Civ. Paved Yes 6500 93 km


Name LOCODE Country Distance
Puerto Madero MXPMD Mexico 84 km

More information

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