Overall Green Earthquake alert in Mexico on 20 Sep 2017 03:28 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 4.6 in Mexico on 20 Sep 2017 03:28 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:	4.6M
Depth:	48.73 Km
Lat/Lon:	16.1444 , -94.8719
Event Date:	20 Sep 2017 03:28 UTC 19 Sep 2017 22:28 Local
Exposed Population:	590000 people within 100km
Source:	NEIC us2000argd
Inserted at:	20 Sep 2017 03:47 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
us2000argd	Scaled population (vector)	5.9
	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
1181255		0	20 Sep 2017 03:28	4.6M, 48.73km	N/A	590 thousand (in 100km)		00:19	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 Pesquería, Costa Rica, San Dionisio del Mar, Santa María Xandani, San Francisco del Mar, Lagarto, Chicapa, Salina Cruz, Juchitan, Unión Hidalgo, and Almoloya.

Radius	Population
100 km	590000 people
75 km	460000 people
50 km	350000 people
20 km	4200 people
10 km	<1000 people
5 km	no people
2 km	no people

Affected Provinces

Region Province	Country	Population
Oaxaca	Mexico	3.3 million people

Affected populated places

Name	Region Province	Country	City class	Population	Distance
Pesquería	Oaxaca	Mexico	Village	-	12 km
Costa Rica	Oaxaca	Mexico	Village	-	14 km
San Dionisio del Mar	Oaxaca	Mexico	Village	3300 people	24 km
Santa María Xandani	Oaxaca	Mexico	Village	-	28 km
San Francisco del Mar	Oaxaca	Mexico	Village	4000 people	28 km
Lagarto	Oaxaca	Mexico	Village	-	30 km
Chicapa	Oaxaca	Mexico	Village	-	33 km
Salina Cruz	Oaxaca	Mexico	City	74000 people	34 km
Juchitan	Oaxaca	Mexico	City	66000 people	35 km
Unión Hidalgo	Oaxaca	Mexico	City	12000 people	36 km
La Majada	Oaxaca	Mexico	Village	-	37 km
Charnehuite	Oaxaca	Mexico	Village	-	39 km
Conchita	Oaxaca	Mexico	Village	-	40 km
Tehuantepec	Oaxaca	Mexico	City	37000 people	43 km
Asunción	Oaxaca	Mexico	Village	-	44 km
Ixaltepec	Oaxaca	Mexico	Village	-	45 km
Desiderio	Oaxaca	Mexico	Village	-	49 km
Comitancillo	Oaxaca	Mexico	Village	3800 people	49 km
Agua Fría	Oaxaca	Mexico	Village	-	49 km
Ixhuatán	Oaxaca	Mexico	Village	5500 people	49 km
Niza Viahui	Oaxaca	Mexico	Village	-	51 km
Reforma	Oaxaca	Mexico	Village	-	52 km
Ciudad Ixtepec	Oaxaca	Mexico	City	-	52 km
Niltepec	Oaxaca	Mexico	Village	3200 people	54 km
Las Pilas	Oaxaca	Mexico	Village	-	54 km
Agua Escondida	Oaxaca	Mexico	Village	-	54 km
Caja de Agua	Oaxaca	Mexico	Village	-	55 km
Majada Villalobos	Oaxaca	Mexico	Village	-	56 km
Cabrera	Oaxaca	Mexico	Village	-	57 km
Soledad	Oaxaca	Mexico	Village	-	57 km
Agua Caliente	Oaxaca	Mexico	Village	-	58 km
Cabestrada	Oaxaca	Mexico	Village	-	58 km
Cocú	Oaxaca	Mexico	Village	-	60 km
Huajapan	Oaxaca	Mexico	Village	-	61 km
La Puerta	Oaxaca	Mexico	Village	-	62 km
Cordoncillo	Oaxaca	Mexico	Village	-	63 km
Los Icacos	Oaxaca	Mexico	Village	-	64 km
Garrapateras	Oaxaca	Mexico	Village	-	64 km
San Miguel Chimalapa	Oaxaca	Mexico	Village	-	65 km
Camarón	Oaxaca	Mexico	Village	-	66 km
Zanatepec	Oaxaca	Mexico	Village	6900 people	66 km
Cacaotal	Oaxaca	Mexico	Village	-	68 km
Concepción	Oaxaca	Mexico	Village	-	69 km
Almoloya	Oaxaca	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
Salina Cruz	SCX	23				0	36 km
Ixtepec Military		50	Civ.	Paved	Yes	7500	42 km
Ixtepec	IZT	unknown				0	53 km

Ports

Name	LOCODE	Country	Distance
Salina Cruz	MXSCX	Mexico	35 km

Dams

Reservoir	Dam Name	River	Year	Distance
	Presidente Benito Juarez	Tehuantepec	1961	65 km

More information

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

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