Overall Green Earthquake alert in Mexico on 23 Mar 2012 23:47 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 23 Mar 2012 23:47 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:	10.1 Km
Lat/Lon:	16.549 , -98.0034
Event Date:	23 Mar 2012 23:47 UTC 23 Mar 2012 17:47 Local
Exposed Population:	890000 people within 100km
Source:	NEIC usc0008pf2
Inserted at:	24 Mar 2012 00:11 UTC

GDACS Score

For more info on GDACS alert score click here.

	Earthquake		GDACS score
NEIC	0.5		0.5
usc0008pf2	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
115662		0.5	23 Mar 2012 23:47	4.6M, 10.1km	N/A	890 thousand (in 100km)		00:23	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 Jicayan, Ipalapa, Alto de las Mesas, Cacahuatepec, San Cristóbal, La Reforma, Pinotepa, Lo de Liborio, Zacatepec, Huanjintepec, and Tierra Colorada.

Radius	Population
100 km	910000 people
75 km	590000 people
50 km	340000 people
20 km	71000 people
10 km	23000 people
5 km	5200 people
2 km	<1000 people

Affected Provinces

Region Province	Country	Population
Oaxaca	Mexico	3.3 million people

Affected populated places

Name	Region Province	Country	City class	Population	Distance
Jicayan	Oaxaca	Mexico	Village	4200 people	9 km
Ipalapa	Oaxaca	Mexico	Village	-	12 km
Alto de las Mesas	Oaxaca	Mexico	Village	-	14 km
Cacahuatepec	Oaxaca	Mexico	Village	3600 people	18 km
San Cristóbal	Oaxaca	Mexico	Village	-	19 km
La Reforma	Oaxaca	Mexico	Village	-	20 km
Pinotepa	Oaxaca	Mexico	Village	-	21 km
Lo de Liborio	Oaxaca	Mexico	Village	-	23 km
Zacatepec	Oaxaca	Mexico	Village	4400 people	25 km
Huanjintepec	Guerrero	Mexico	Village	-	26 km
San Andres	Oaxaca	Mexico	Village	-	27 km
San Juan Bautista lo de Soto	Oaxaca	Mexico	Village	-	27 km
Huanacastle	Oaxaca	Mexico	Village	-	31 km
El Cacao	Oaxaca	Mexico	Village	-	31 km
Jamiltepec	Oaxaca	Mexico	City	9800 people	34 km
Ciruelo	Oaxaca	Mexico	Village	-	34 km
Amole	Oaxaca	Mexico	Village	-	35 km
Achiotes	Oaxaca	Mexico	Village	-	35 km
Pie Cerro	Oaxaca	Mexico	Village	-	37 km
Ixtayutla	Oaxaca	Mexico	Village	-	37 km
Asunción Atoyaquillo	Oaxaca	Mexico	Village	-	38 km
Xochistlahuaca	Guerrero	Mexico	Village	3500 people	38 km
Piedra Ancha	Guerrero	Mexico	Village	-	38 km
Chico Ometepec	Oaxaca	Mexico	Village	-	42 km
Pueblo Viejo	Oaxaca	Mexico	Village	-	42 km
Coyul	Oaxaca	Mexico	Village	-	43 km
Armenta	Oaxaca	Mexico	Village	-	43 km
Cumbre	Oaxaca	Mexico	Village	-	43 km
Tlacoachixtlahuaca	Guerrero	Mexico	Village	-	44 km
Cuajinicuilapa	Guerrero	Mexico	Village	9300 people	45 km
El Platanillo	Oaxaca	Mexico	Village	-	45 km
Ometepec	Guerrero	Mexico	Village	18000 people	46 km
Santiago	Oaxaca	Mexico	Village	-	46 km
Huehuetono	Guerrero	Mexico	Village	-	46 km
La Soledad	Guerrero	Mexico	Village	-	47 km
Jicaltepec	Oaxaca	Mexico	Village	-	50 km
Las Conchitas	Oaxaca	Mexico	Village	-	52 km
Vista Hermosa	Guerrero	Mexico	Village	-	52 km
La Tuza	Oaxaca	Mexico	Village	-	52 km
Santa Cruz Zenzontepec	Oaxaca	Mexico	Village	-	52 km
Cabacera Nueva	Oaxaca	Mexico	Village	-	53 km
Yegüey	Oaxaca	Mexico	Village	-	55 km
San Cristóbal	Guerrero	Mexico	Village	-	55 km
Putla de Guerrero	Oaxaca	Mexico	Village	-	57 km
Acatepec	Guerrero	Mexico	Village	-	57 km
San Antonio	Oaxaca	Mexico	Village	-	57 km
Cinco Cerros	Oaxaca	Mexico	Village	-	58 km
San Nicolás	Guerrero	Mexico	Village	-	58 km
Itunyaso	Oaxaca	Mexico	Village	-	60 km
Nuyoc	Oaxaca	Mexico	Village	-	60 km
Laguna	Guerrero	Mexico	Village	-	61 km
San Francisco	Oaxaca	Mexico	Village	-	62 km
Aguacate	Oaxaca	Mexico	Village	-	62 km
Cuanana	Oaxaca	Mexico	Village	-	64 km
Ixcatlan	Oaxaca	Mexico	Village	-	64 km
Cuitlapa	Guerrero	Mexico	Village	-	65 km
Igualapa	Guerrero	Mexico	Village	-	67 km
San Jacinto	Oaxaca	Mexico	Village	-	68 km
Chalcalongo	Oaxaca	Mexico	Village	-	68 km
Tierra Colorada	Guerrero	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)	Distance
Pinotepa Nacional	PNO	unknown	21 km
Ta lo de Soto		149	43 km
Tlaxiaco		2045	85 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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