Overall Green Earthquake alert in Mexico on 20 Sep 2017 10:39 UTC

GDACS is a cooperation framework between the United Nations, the European Commission and disaster managers worldwide to improve alerts, information exchange and coordination in the first phase after major sudden-onset disasters.

M 4.7 in Mexico on 20 Sep 2017 10:39 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:	57.48 Km
Lat/Lon:	15.2723 , -93.4191
Event Date:	20 Sep 2017 10:39 UTC 20 Sep 2017 04:39 Local
Exposed Population:	340000 people within 100km
Source:	NEIC us2000arj1
Inserted at:	20 Sep 2017 10:58 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
us2000arj1	Scaled population (vector)	5.05
	C1 earthquake	1
	C2 earthquake	0
	Country Vulnerability	-1
	INFORM_normalised	0.92

Maximum expected impact using different data sources.

Episode Timeline

ID	Alert	Score	Date	Mag, Depth	MMI*	Population**	Tsunami risk***	Delay (hh:mm)	Source
1181289		0	20 Sep 2017 10:39	4.7M, 57.48km	N/A	340 thousand (in 100km)		00:18	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 Boquerón, Pasito de la Señora, Margaritas, Sólo Dios, Caña Brava, Jericó, Pijijiapan, El Porvenir, Espíritu Santo, Mapastepec, and Custepec.

Radius	Population
100 km	340000 people
75 km	120000 people
50 km	18000 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
Oaxaca	Mexico	3.3 million people
San Marcos	Guatemala	810000 people
Huehuetenango	Guatemala	740000 people
Quezaltenango	Guatemala	630000 people
Retalhuleu	Guatemala	260000 people
Totonicapan	Guatemala	350000 people
Suchitepequez	Guatemala	410000 people
Veracruz	Mexico	6.8 million people
Solola	Guatemala	260000 people
Quiche	Guatemala	560000 people
Tabasco	Mexico	1.6 million people
Escuintla	Guatemala	570000 people
Chimaltenango	Guatemala	390000 people
Baja Verapaz	Guatemala	200000 people
Alta Verapaz	Guatemala	510000 people
Sacatepequez	Guatemala	210000 people
Guatemala	Guatemala	2.2 million people
Peten	Guatemala	230000 people
El Progreso	Guatemala	140000 people
Santa Rosa	Guatemala	330000 people
Campeche	Mexico	580000 people
Jalapa	Guatemala	230000 people
Jutiapa	Guatemala	430000 people
Zacapa	Guatemala	200000 people
Ahuachapan	El Salvador	300000 people
Chiquimula	Guatemala	290000 people
Izabal	Guatemala	330000 people
Sonsonate	El Salvador	400000 people
Santa Ana	El Salvador	520000 people
Ocotepeque	Honduras	89000 people
Chalatenango	El Salvador	270000 people
Copan	Honduras	260000 people
La Libertad	El Salvador	490000 people
Toledo	Belize	17000 people
San Salvador	El Salvador	1.2 million people
Cayo	Belize	34000 people
Cuscatlan	El Salvador	230000 people

Affected populated places

Name	Region Province	Country	City class	Population	Distance
Boquerón	Chiapas	Mexico	Village	-	37 km
Pasito de la Señora	Chiapas	Mexico	Village	-	42 km
Margaritas	Chiapas	Mexico	Village	-	42 km
Sólo Dios	Chiapas	Mexico	Village	-	44 km
Caña Brava	Chiapas	Mexico	Village	-	51 km
Jericó	Chiapas	Mexico	Village	-	51 km
Pijijiapan	Chiapas	Mexico	City	15000 people	51 km
El Porvenir	Chiapas	Mexico	Village	-	55 km
Espíritu Santo	Chiapas	Mexico	Village	-	59 km
Mapastepec	Chiapas	Mexico	City	16000 people	59 km
Buenavista	Chiapas	Mexico	Village	-	62 km
El Chilar	Chiapas	Mexico	Village	-	65 km
Flores Magón	Chiapas	Mexico	Village	-	65 km
Altamira	Chiapas	Mexico	Village	-	65 km
La Victoria	Chiapas	Mexico	Village	-	68 km
Tres Picos	Chiapas	Mexico	Village	4900 people	69 km
Custepec	Chiapas	Mexico	Village	-	69 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	98 km

More information

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

Disclaimer
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