Overall Green Earthquake alert in Mexico on 31 Jul 2021 21:19 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 5.2 in Mexico on 31 Jul 2021 21:19 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:	5.2M
Depth:	10 Km
Lat/Lon:	30.4142 , -109.2058
Event Date:	31 Jul 2021 21:19 UTC 31 Jul 2021 14:19 Local
Exposed Population:	Less then 100 people in MMI VI About 60000 people within 100km
Source:	NEIC us6000f128
Inserted at:	31 Jul 2021 21:40 UTC
INFORM Coping capacity of the alert score	4.4 (Mexico)

GDACS Score

For more info on GDACS alert score click here.

	Earthquake (Shakemap)		GDACS score
NEIC	0		0
us6000f128	Scaled population (raster)	0
	C1 shakemap	-0.59
	C2 shakemap	0.53
	Country Vulnerability	0
	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
1388667		0	31 Jul 2021 21:19	5.2M, 10km	6.16	N/A (in MMI>=VII)		00:20	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 Sonora (population 1,983,593) . The nearest places are La Angostura, El Tigre, Ejido San Juan, Bavispe, Ejido la Galera, Bacerac, Pilares, Oputo, Huachinera, Colonia Oaxaca, and Ejido de Altamirano.

Radius	Population
100 km	60000 people
75 km	42000 people
50 km	23000 people
20 km	<1000 people
10 km	<1000 people
5 km	<1000 people
2 km	<1000 people

Affected Provinces

Region Province	Country	Population
Sonora	Mexico	2 million people

Affected populated places

Name	Region Province	Country	City class	Population	Distance
La Angostura	Sonora	Mexico	Village	-	17 km
El Tigre	Sonora	Mexico	Village	-	19 km
Ejido San Juan	Sonora	Mexico	Village	-	19 km
Bavispe	Sonora	Mexico	Village	-	27 km
Ejido la Galera	Sonora	Mexico	Village	-	27 km
Bacerac	Sonora	Mexico	Village	-	28 km
Pilares	Sonora	Mexico	Village	-	29 km
Oputo	Sonora	Mexico	Village	-	30 km
Huachinera	Sonora	Mexico	Village	-	33 km
Colonia Oaxaca	Sonora	Mexico	Village	-	37 km
Rancho El Fuste	Sonora	Mexico	Village	-	38 km
Santo Domingo	Sonora	Mexico	Village	-	39 km
Noria	Sonora	Mexico	Village	-	40 km
Colonia Aribabi	Sonora	Mexico	Village	-	40 km
Higuerita	Sonora	Mexico	Village	-	41 km
Cuesta del Castillo	Sonora	Mexico	Village	-	41 km
Batepito	Sonora	Mexico	Village	-	45 km
Turicachi	Sonora	Mexico	Village	-	46 km
Nacozari	Sonora	Mexico	Village	12000 people	46 km
Cuevas	Sonora	Mexico	Village	-	47 km
Esqueda	Sonora	Mexico	Village	6100 people	50 km
Rancho El Coyote	Sonora	Mexico	Village	-	50 km
Colonia Bella Esperanza Via Cúmpas	Sonora	Mexico	Village	-	51 km
Cuchuta	Sonora	Mexico	Village	-	53 km
Carretas	Sonora	Mexico	Village	-	54 km
Rancho de la Cuesta	Sonora	Mexico	Village	-	56 km
Peñasquito	Sonora	Mexico	Village	-	56 km
Ejido la Valdeza	Sonora	Mexico	Village	-	56 km
Huásabas	Sonora	Mexico	Village	-	57 km
Rancho El Mojon	Sonora	Mexico	Village	-	58 km
San Pedro	Chihuahua	Mexico	Village	-	59 km
Cebadilla	Sonora	Mexico	Village	-	60 km
Manga Punta de Agua	Chihuahua	Mexico	Village	-	60 km
Mábari	Sonora	Mexico	Village	-	60 km
Colonia Obregón Norte	Sonora	Mexico	Village	-	61 km
Buenavista	Sonora	Mexico	Village	-	62 km
Los Hovos	Sonora	Mexico	Village	-	63 km
Fronteras	Sonora	Mexico	Village	-	64 km
Rancho la Palmita	Sonora	Mexico	Village	-	65 km
Colonia San José de Los Pozos	Chihuahua	Mexico	Village	-	65 km
Rancho San Fernando	Sonora	Mexico	Village	-	66 km
Bacadéhuachi	Sonora	Mexico	Village	-	66 km
Coquiárachi	Sonora	Mexico	Village	-	68 km
San Antonio	Sonora	Mexico	Village	-	70 km
Ejido de Altamirano	Chihuahua	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
Rancho la Milpita		1435				0	43 km
Cumpas New		812				0	68 km

Dams

Reservoir	Dam Name	River	Year	Distance
	La Angostura	Bavispe	1942	17 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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