Overall Green Earthquake alert in Mexico on 18 Aug 2016 22:51 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 18 Aug 2016 22:51 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:	44.83 Km
Lat/Lon:	16.3896 , -98.2701
Event Date:	18 Aug 2016 22:51 UTC 18 Aug 2016 17:51 Local
Exposed Population:	751289 people within 100km
Source:	NEIC us10006evg
Inserted at:	18 Aug 2016 23:51 UTC

GDACS Score

For more info on GDACS alert score click here.

	Earthquake		GDACS score
NEIC	0		0
us10006evg	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
1137049		0	18 Aug 2016 22:51	4.6M, 44.83km	N/A	750 thousand (in 100km)		00:59	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 Ciruelo, Lo de Liborio, Huanacastle, Armenta, Santiago, San Juan Bautista lo de Soto, Pie Cerro, Pinotepa, Cuajinicuilapa, Alto de las Mesas, and Asunción Atoyaquillo.

Radius	Population
100 km	770000 people
75 km	490000 people
50 km	300000 people
20 km	50000 people
10 km	6700 people
5 km	1400 people
2 km	<1000 people

Affected Provinces

Region Province	Country	Population
Oaxaca	Mexico	3.3 million people
Guerrero	Mexico	2.9 million people

Affected populated places

Name	Region Province	Country	City class	Population	Distance
Ciruelo	Oaxaca	Mexico	Village	-	9 km
Lo de Liborio	Oaxaca	Mexico	Village	-	10 km
Huanacastle	Oaxaca	Mexico	Village	-	13 km
Armenta	Oaxaca	Mexico	Village	-	14 km
Santiago	Oaxaca	Mexico	Village	-	17 km
San Juan Bautista lo de Soto	Oaxaca	Mexico	Village	-	18 km
Pie Cerro	Oaxaca	Mexico	Village	-	18 km
Pinotepa	Oaxaca	Mexico	Village	-	20 km
Cuajinicuilapa	Guerrero	Mexico	Village	9300 people	22 km
Alto de las Mesas	Oaxaca	Mexico	Village	-	22 km
Las Conchitas	Oaxaca	Mexico	Village	-	23 km
Huanjintepec	Guerrero	Mexico	Village	-	25 km
Piedra Ancha	Guerrero	Mexico	Village	-	26 km
Achiotes	Oaxaca	Mexico	Village	-	26 km
Cacahuatepec	Oaxaca	Mexico	Village	3600 people	27 km
Jicayan	Oaxaca	Mexico	Village	4200 people	28 km
San Nicolás	Guerrero	Mexico	Village	-	33 km
San Andres	Oaxaca	Mexico	Village	-	35 km
Ipalapa	Oaxaca	Mexico	Village	-	35 km
Vista Hermosa	Guerrero	Mexico	Village	-	37 km
Chico Ometepec	Oaxaca	Mexico	Village	-	38 km
Ometepec	Guerrero	Mexico	Village	18000 people	38 km
La Soledad	Guerrero	Mexico	Village	-	42 km
San Cristóbal	Oaxaca	Mexico	Village	-	44 km
Xochistlahuaca	Guerrero	Mexico	Village	3500 people	45 km
Jamiltepec	Oaxaca	Mexico	City	9800 people	45 km
Tierra Colorada	Guerrero	Mexico	Village	-	46 km
Tlacoachixtlahuaca	Guerrero	Mexico	Village	-	48 km
Acatepec	Guerrero	Mexico	Village	-	49 km
Zacatepec	Oaxaca	Mexico	Village	4400 people	49 km
La Tuza	Oaxaca	Mexico	Village	-	49 km
La Reforma	Oaxaca	Mexico	Village	-	50 km
El Platanillo	Oaxaca	Mexico	Village	-	50 km
El Cacao	Oaxaca	Mexico	Village	-	50 km
Igualapa	Guerrero	Mexico	Village	-	55 km
Huehuetono	Guerrero	Mexico	Village	-	56 km
San Cristóbal	Guerrero	Mexico	Village	-	58 km
Cumbre	Oaxaca	Mexico	Village	-	59 km
Yegüey	Oaxaca	Mexico	Village	-	60 km
Amole	Oaxaca	Mexico	Village	-	61 km
Coyul	Oaxaca	Mexico	Village	-	63 km
Ixtayutla	Oaxaca	Mexico	Village	-	65 km
Quetzalapa	Guerrero	Mexico	Village	-	65 km
Azoyú	Guerrero	Mexico	Village	4200 people	65 km
Pueblo Viejo	Oaxaca	Mexico	Village	-	66 km
Marquelia	Guerrero	Mexico	Village	6800 people	66 km
Asunción Atoyaquillo	Oaxaca	Mexico	Village	-	67 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
Pinotepa Nacional	PNO	unknown				0	18 km
Ta lo de Soto		149				0	20 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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