Overall Green Earthquake alert in Mexico on 27 Jul 2015 13:50 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 4.5 in Mexico on 27 Jul 2015 13:50 UTC

Hazard models

EQ parameters

Shakemap

Tsunami

Event summary

This is a preliminary assessment. The final GDACS Alert Level has been/will be published using more detailed information.

This earthquake is expected to have a low humanitarian impact based on the magnitude and the affected population and their vulnerability.

Earthquake Magnitude:	4.5M
Depth:	112.03 Km
Lat/Lon:	16.3173 , -93.9458
Event Date:	27 Jul 2015 13:50 UTC 27 Jul 2015 08:50 Local
Exposed Population:	831671 people within 100km
Source:	NEIC
Inserted at:	27 Jul 2015 16:24 UTC

GDACS Score

For more info on GDACS alert score click here.

	Earthquake		GDACS score
NEIC	n.a		n.a
	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

ID	Alert	Score	Date	Mag, Depth	MMI*	Population**	Tsunami risk***	Delay (hh:mm)	Source
1089960		n.a	27 Jul 2015 13:50	4.5M, 112.03km	N/A	830 thousand (in 100km)		02:33	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 La Punta, Dolores, Arriaga, Guadalupe, Emiliano Zapata, Las Cruces, Villa del Mar, San Francisco, Buenavista, Llano Grande, and San Miguel.

Radius	Population
100 km	640000 people
75 km	380000 people
50 km	200000 people
20 km	51000 people
10 km	33000 people
5 km	2200 people
2 km	<1000 people

Affected Provinces

Region Province	Country	Population
Chiapas	Mexico	3.5 million people
Oaxaca	Mexico	3.3 million people

Affected populated places

Name	Region Province	Country	City class	Population	Distance
La Punta	Chiapas	Mexico	Village	-	7 km
Dolores	Chiapas	Mexico	Village	-	9 km
Arriaga	Chiapas	Mexico	City	22000 people	10 km
Guadalupe	Oaxaca	Mexico	Village	-	15 km
Emiliano Zapata	Chiapas	Mexico	Village	-	15 km
Las Cruces	Chiapas	Mexico	Village	-	17 km
Villa del Mar	Chiapas	Mexico	Village	-	19 km
San Francisco	Oaxaca	Mexico	Village	-	20 km
Buenavista	Chiapas	Mexico	Village	-	21 km
Llano Grande	Chiapas	Mexico	Village	-	22 km
Horizonte	Chiapas	Mexico	Village	-	23 km
Xocotepec	Oaxaca	Mexico	Village	-	25 km
Chahuites	Oaxaca	Mexico	Village	9700 people	25 km
Cachimba	Chiapas	Mexico	Village	-	27 km
Paredón Viejo	Chiapas	Mexico	Village	-	28 km
Descargadero de Puebla	Chiapas	Mexico	Village	-	29 km
Tapanatepec	Oaxaca	Mexico	Village	7100 people	29 km
San Clemente	Chiapas	Mexico	Village	-	31 km
Tonalá	Chiapas	Mexico	City	32000 people	32 km
La Providencia	Chiapas	Mexico	Village	-	32 km
El Roble	Oaxaca	Mexico	Village	-	34 km
El Carmen	Chiapas	Mexico	Village	-	35 km
San Rafael	Chiapas	Mexico	Village	-	35 km
Madre Mía	Chiapas	Mexico	Village	-	37 km
Huajapan	Oaxaca	Mexico	Village	-	39 km
Los Álamos	Chiapas	Mexico	Village	-	40 km
El Carmen	Chiapas	Mexico	Village	-	41 km
Arista	Chiapas	Mexico	Village	-	41 km
Uralla	Chiapas	Mexico	Village	-	43 km
Cabestrada	Oaxaca	Mexico	Village	-	43 km
La Libertad	Chiapas	Mexico	Village	-	43 km
Los Amates	Chiapas	Mexico	Village	-	46 km
Cristóbal Obregón	Chiapas	Mexico	Village	4100 people	46 km
El Edén	Chiapas	Mexico	Village	-	47 km
Zanatepec	Oaxaca	Mexico	Village	6900 people	47 km
La Polca	Chiapas	Mexico	Village	-	48 km
Chico Zapote	Oaxaca	Mexico	Village	-	51 km
Respingo	Chiapas	Mexico	Village	-	52 km
Platanar	Chiapas	Mexico	Village	-	52 km
Cintalapa	Chiapas	Mexico	City	33000 people	52 km
La Nuava	Chiapas	Mexico	Village	-	53 km
Ixhuatán	Oaxaca	Mexico	Village	5500 people	54 km
Jianipilas	Chiapas	Mexico	Village	-	55 km
Reforma	Oaxaca	Mexico	Village	-	55 km
Las Mercedes	Chiapas	Mexico	Village	-	56 km
San Carlos	Chiapas	Mexico	Village	-	57 km
Cayetano	Chiapas	Mexico	Village	-	57 km
Cocú	Oaxaca	Mexico	Village	-	58 km
Rincon Antonio de Maza	Chiapas	Mexico	Village	-	58 km
La Hachada	Chiapas	Mexico	Village	-	62 km
Majada Coyote	Oaxaca	Mexico	Village	-	63 km
Tres Picos	Chiapas	Mexico	Village	4900 people	64 km
La Majada	Oaxaca	Mexico	Village	-	65 km
Paso Chiapa	Chiapas	Mexico	Village	-	65 km
Buenavista	Chiapas	Mexico	Village	-	66 km
Billar	Chiapas	Mexico	Village	-	67 km
Jobo Dulce	Chiapas	Mexico	Village	-	68 km
Delicias	Chiapas	Mexico	Village	-	68 km
San Miguel	Chiapas	Mexico	Village	-	69 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
Llano San Juan	TGZ	1052	Civ.	Paved	Yes	8200	85 km

More information

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

Disclaimer
While we try everything to ensure accuracy, this information is purely indicative and should not be used for any decision making without alternate sources of information.
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