Overall Green Earthquake alert in Mexico on 28 Sep 2020 23:27 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 4.5 in Mexico on 28 Sep 2020 23:27 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:	4.5M
Depth:	10 Km
Lat/Lon:	16.1614 , -97.716
Event Date:	28 Sep 2020 23:27 UTC 28 Sep 2020 18:27 Local
Exposed Population:	750000 people within 100km
Source:	NEIC us6000c2ch
Inserted at:	28 Sep 2020 23:56 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
us6000c2ch	Scaled population (vector)	5.99
	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
1335174		0	28 Sep 2020 23:27	4.5M, 10km	N/A	750 thousand (in 100km)		00:29	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 Yegüey, El Platanillo, San Francisco, Cumbre, Jamiltepec, La Tuza, El Cacao, San Andres, Chico Ometepec, Aguacate, and Juchatengo.

Radius	Population
100 km	750000 people
75 km	450000 people
50 km	250000 people
20 km	45000 people
10 km	20000 people
5 km	4500 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
Yegüey	Oaxaca	Mexico	Village	-	8 km
El Platanillo	Oaxaca	Mexico	Village	-	11 km
San Francisco	Oaxaca	Mexico	Village	-	13 km
Cumbre	Oaxaca	Mexico	Village	-	14 km
Jamiltepec	Oaxaca	Mexico	City	9800 people	17 km
La Tuza	Oaxaca	Mexico	Village	-	22 km
El Cacao	Oaxaca	Mexico	Village	-	23 km
San Andres	Oaxaca	Mexico	Village	-	26 km
Chico Ometepec	Oaxaca	Mexico	Village	-	27 km
Aguacate	Oaxaca	Mexico	Village	-	27 km
Pueblo Viejo	Oaxaca	Mexico	Village	-	31 km
Piedra Ancha	Oaxaca	Mexico	Village	-	32 km
Achiotes	Oaxaca	Mexico	Village	-	36 km
Panixtlahuaca	Oaxaca	Mexico	Village	5600 people	37 km
Zacatepec	Oaxaca	Mexico	Village	-	37 km
San Cristóbal	Oaxaca	Mexico	Village	-	38 km
Pinotepa	Oaxaca	Mexico	Village	-	40 km
Cinco Cerros	Oaxaca	Mexico	Village	-	40 km
Jicayan	Oaxaca	Mexico	Village	4200 people	43 km
Ixtayutla	Oaxaca	Mexico	Village	-	45 km
Bajos de Chila	Oaxaca	Mexico	Village	-	47 km
Pie Cerro	Oaxaca	Mexico	Village	-	47 km
Barranca Honda	Oaxaca	Mexico	Village	-	48 km
Santa Cruz Zenzontepec	Oaxaca	Mexico	Village	-	49 km
Lo de Liborio	Oaxaca	Mexico	Village	-	50 km
San Jacinto	Oaxaca	Mexico	Village	-	52 km
Ixpantepec	Oaxaca	Mexico	Village	-	52 km
La Reforma	Oaxaca	Mexico	Village	-	54 km
Santa Lucía Teotepec	Oaxaca	Mexico	Village	-	54 km
Ciruelo	Oaxaca	Mexico	Village	-	56 km
Tiltepec	Oaxaca	Mexico	Village	-	58 km
Huajintepec	Oaxaca	Mexico	Village	-	59 km
Lachao	Oaxaca	Mexico	Village	-	61 km
San Antonio	Oaxaca	Mexico	Village	-	61 km
La Perla	Oaxaca	Mexico	Village	-	61 km
Alto de las Mesas	Oaxaca	Mexico	Village	-	62 km
Ipalapa	Oaxaca	Mexico	Village	-	62 km
San Pedro Mixtepec	Oaxaca	Mexico	Village	-	67 km
Cacahuatepec	Oaxaca	Mexico	Village	3600 people	68 km
Armenta	Oaxaca	Mexico	Village	-	69 km
Juchatengo	Oaxaca	Mexico	City	-	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
Pinotepa Nacional	PNO	unknown				0	43 km
Puerto Escondido	PXM	88	Civ.	Paved	Yes	7500	74 km
Ta lo de Soto		149				0	80 km

Ports

Name	LOCODE	Country	Distance
Punta Escondida		Mexico	76 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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