Overall Green Earthquake alert in Mexico on 20 Mar 2018 16:44 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 20 Mar 2018 16:44 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:	35 Km
Lat/Lon:	16.625 , -98.302
Event Date:	20 Mar 2018 16:44 UTC 20 Mar 2018 10:44 Local
Exposed Population:	1070000 people within 100km
Source:	NEIC us1000d6tb
Inserted at:	20 Mar 2018 17:02 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
us1000d6tb	Scaled population (vector)	6.23
	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
1203664		0	20 Mar 2018 16:44	4.9M, 35km	N/A	1.1 million (in 100km)		00:17	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 Piedra Ancha, Huanjintepec, San Juan Bautista lo de Soto, Ometepec, La Soledad, Huanacastle, Cacahuatepec, Xochistlahuaca, Vista Hermosa, Tlacoachixtlahuaca, and Ixtayutla.

Radius	Population
100 km	1.1 million people
75 km	650000 people
50 km	370000 people
20 km	99000 people
10 km	11000 people
5 km	3000 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
Piedra Ancha	Guerrero	Mexico	Village	-	7 km
Huanjintepec	Guerrero	Mexico	Village	-	8 km
San Juan Bautista lo de Soto	Oaxaca	Mexico	Village	-	11 km
Ometepec	Guerrero	Mexico	Village	18000 people	12 km
La Soledad	Guerrero	Mexico	Village	-	15 km
Huanacastle	Oaxaca	Mexico	Village	-	15 km
Cacahuatepec	Oaxaca	Mexico	Village	3600 people	16 km
Xochistlahuaca	Guerrero	Mexico	Village	3500 people	19 km
Vista Hermosa	Guerrero	Mexico	Village	-	19 km
Tlacoachixtlahuaca	Guerrero	Mexico	Village	-	20 km
Alto de las Mesas	Oaxaca	Mexico	Village	-	20 km
Cuajinicuilapa	Guerrero	Mexico	Village	9300 people	21 km
Acatepec	Guerrero	Mexico	Village	-	24 km
Ipalapa	Oaxaca	Mexico	Village	-	29 km
San Cristóbal	Guerrero	Mexico	Village	-	29 km
Huehuetono	Guerrero	Mexico	Village	-	30 km
San Nicolás	Guerrero	Mexico	Village	-	33 km
Igualapa	Guerrero	Mexico	Village	-	33 km
Santiago	Oaxaca	Mexico	Village	-	33 km
Lo de Liborio	Oaxaca	Mexico	Village	-	34 km
Armenta	Oaxaca	Mexico	Village	-	34 km
Las Conchitas	Oaxaca	Mexico	Village	-	35 km
Zacatepec	Oaxaca	Mexico	Village	4400 people	37 km
Ciruelo	Oaxaca	Mexico	Village	-	37 km
Quetzalapa	Guerrero	Mexico	Village	-	39 km
Jicayan	Oaxaca	Mexico	Village	4200 people	39 km
Tierra Colorada	Guerrero	Mexico	Village	-	41 km
Pinotepa	Oaxaca	Mexico	Village	-	42 km
Coyul	Oaxaca	Mexico	Village	-	43 km
Pie Cerro	Oaxaca	Mexico	Village	-	46 km
Azoyú	Guerrero	Mexico	Village	4200 people	47 km
Ocote	Guerrero	Mexico	Village	-	48 km
Amole	Oaxaca	Mexico	Village	-	49 km
La Reforma	Oaxaca	Mexico	Village	-	49 km
Cuitlapa	Guerrero	Mexico	Village	-	49 km
San Luis Acatlan	Guerrero	Mexico	Village	-	50 km
San Cristóbal	Oaxaca	Mexico	Village	-	52 km
Achiotes	Oaxaca	Mexico	Village	-	53 km
Laguna	Guerrero	Mexico	Village	-	53 km
Iliatenco	Guerrero	Mexico	Village	-	54 km
Marquelia	Guerrero	Mexico	Village	6800 people	54 km
San Andres	Oaxaca	Mexico	Village	-	55 km
Chixlixtlahuaca	Guerrero	Mexico	Village	-	57 km
Asunción Atoyaquillo	Oaxaca	Mexico	Village	-	59 km
Putla de Guerrero	Oaxaca	Mexico	Village	-	60 km
Zitlaltepec	Guerrero	Mexico	Village	-	61 km
Metlatonoc	Guerrero	Mexico	Village	-	62 km
Moyotepec	Guerrero	Mexico	Village	-	62 km
Jicaltepec	Oaxaca	Mexico	Village	-	63 km
Chico Ometepec	Oaxaca	Mexico	Village	-	64 km
Jamiltepec	Oaxaca	Mexico	City	9800 people	64 km
El Cacao	Oaxaca	Mexico	Village	-	65 km
Itunyaso	Oaxaca	Mexico	Village	-	65 km
Ixtayutla	Oaxaca	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)	Distance
Ta lo de Soto		149	21 km
Pinotepa Nacional	PNO	unknown	39 km
Tlaxiaco		2045	95 km

Dams

Reservoir	Dam Name	River	Year	Distance
	El Guineo	Nexpa	1985	95 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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