Overall Green Earthquake alert in Mexico on 21 Feb 2017 11:56 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 4.9 in Mexico on 21 Feb 2017 11:56 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:	4.9M
Depth:	10.93 Km
Lat/Lon:	16.5654 , -98.579
Event Date:	21 Feb 2017 11:56 UTC 21 Feb 2017 05:56 Local
Exposed Population:	880000 people within 100km
Source:	NEIC us20008l3k
Inserted at:	21 Feb 2017 12:45 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	0.1		0.1
us20008l3k	Scaled population (vector)	0
	C1 earthquake	1
	C2 earthquake	0
	Country Vulnerability	0
	INFORM_normalised	1

Maximum expected impact using different data sources.

Episode Timeline

ID	Alert	Score	Date	Mag, Depth	MMI*	Population**	Tsunami risk***	Delay (hh:mm)	Source
1158172		0.1	21 Feb 2017 11:56	4.9M, 10.93km	N/A	890 thousand (in 100km)		00:48	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 Guerrero (population 2,867,451) . The nearest places are Vista Hermosa, Tierra Colorada, San Nicolás, Igualapa, Cuajinicuilapa, Acatepec, Azoyú, Ometepec, Piedra Ancha, Marquelia, and Coyul.

Radius	Population
100 km	890000 people
75 km	560000 people
50 km	270000 people
20 km	37000 people
10 km	11000 people
5 km	1100 people
2 km	<1000 people

Affected Provinces

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

Affected populated places

Name	Region Province	Country	City class	Population	Distance
Vista Hermosa	Guerrero	Mexico	Village	-	12 km
Tierra Colorada	Guerrero	Mexico	Village	-	13 km
San Nicolás	Guerrero	Mexico	Village	-	15 km
Igualapa	Guerrero	Mexico	Village	-	18 km
Cuajinicuilapa	Guerrero	Mexico	Village	9300 people	21 km
Acatepec	Guerrero	Mexico	Village	-	23 km
Azoyú	Guerrero	Mexico	Village	4200 people	23 km
Ometepec	Guerrero	Mexico	Village	18000 people	24 km
Piedra Ancha	Guerrero	Mexico	Village	-	24 km
Marquelia	Guerrero	Mexico	Village	6800 people	25 km
La Soledad	Guerrero	Mexico	Village	-	27 km
Las Conchitas	Oaxaca	Mexico	Village	-	29 km
San Luis Acatlan	Guerrero	Mexico	Village	-	31 km
Huanacastle	Oaxaca	Mexico	Village	-	33 km
Santiago	Oaxaca	Mexico	Village	-	33 km
Quetzalapa	Guerrero	Mexico	Village	-	33 km
San Juan Bautista lo de Soto	Oaxaca	Mexico	Village	-	35 km
Huanjintepec	Guerrero	Mexico	Village	-	37 km
Armenta	Oaxaca	Mexico	Village	-	38 km
Tlacoachixtlahuaca	Guerrero	Mexico	Village	-	40 km
San Cristóbal	Guerrero	Mexico	Village	-	42 km
Copala	Guerrero	Mexico	Village	6800 people	42 km
Xochistlahuaca	Guerrero	Mexico	Village	3500 people	44 km
Iliatenco	Guerrero	Mexico	Village	-	45 km
Cacahuatepec	Oaxaca	Mexico	Village	3600 people	46 km
Coacoyulichan	Guerrero	Mexico	Village	-	47 km
Cuautepec	Guerrero	Mexico	Village	3400 people	47 km
Alto de las Mesas	Oaxaca	Mexico	Village	-	48 km
Ciruelo	Oaxaca	Mexico	Village	-	49 km
Ocote	Guerrero	Mexico	Village	-	51 km
Huehuetono	Guerrero	Mexico	Village	-	51 km
Lo de Liborio	Oaxaca	Mexico	Village	-	52 km
Moyotepec	Guerrero	Mexico	Village	-	56 km
Pascala	Guerrero	Mexico	Village	-	59 km
Ipalapa	Oaxaca	Mexico	Village	-	59 km
Pie Cerro	Oaxaca	Mexico	Village	-	59 km
Cruz Grande	Guerrero	Mexico	Village	9800 people	60 km
Zitlaltepec	Guerrero	Mexico	Village	-	61 km
Pinotepa	Oaxaca	Mexico	Village	-	62 km
Chixlixtlahuaca	Guerrero	Mexico	Village	-	63 km
Jicayan	Oaxaca	Mexico	Village	4200 people	65 km
Cuitlapa	Guerrero	Mexico	Village	-	66 km
Zacatepec	Oaxaca	Mexico	Village	4400 people	67 km
Achiotes	Oaxaca	Mexico	Village	-	68 km
Coapinola	Guerrero	Mexico	Village	-	69 km
Atlamajaicingo	Guerrero	Mexico	Village	-	69 km
Ayutla	Guerrero	Mexico	City	9900 people	70 km
Coyul	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
Ta lo de Soto		149				0	23 km
Pinotepa Nacional	PNO	unknown				0	60 km

Dams

Reservoir	Dam Name	River	Year	Distance
	El Guineo	Nexpa	1985	69 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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