Overall Green Earthquake alert in El Salvador on 20 Jul 2017 08:03 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 4.7 in El Salvador on 20 Jul 2017 08:03 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:	4.7M
Depth:	71.6 Km
Lat/Lon:	12.7218 , -88.2561
Event Date:	20 Jul 2017 08:03 UTC 20 Jul 2017 02:03 Local
Exposed Population:	930000 people within 100km
Source:	NEIC us20009yd9
Inserted at:	20 Jul 2017 08:26 UTC
INFORM Coping capacity of the alert score	5.3 (Nicaragua)
INFORM Coping capacity of the affected contries:	Nicaragua= 5.3; Honduras= 5.2; El Salvador= 4.6

GDACS Score

For more info on GDACS alert score click here.

	Earthquake		GDACS score
NEIC	-0.9		-0.9
us20009yd9	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
1174429		-0.9	20 Jul 2017 08:03	4.7M, 71.6km	N/A	940 thousand (in 100km)		00:22	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 El Salvador , Department of Usulutan (population 458,999) . The nearest places are Balneario El Espino, La Periquera, Conchagüita, Hacienda La Chepona, Agua, Chirilagua, Hacienda San José, El Carao, Jucuarán, Canoguero, and El Transito.

Radius	Population
100 km	940000 people
75 km	270000 people
50 km	<1000 people
20 km	no people
10 km	no people
5 km	no people
2 km	no people

Affected Provinces

Region Province	Country	Population
Usulutan	El Salvador	460000 people
San Miguel	El Salvador	510000 people
La Union	El Salvador	370000 people
Chinandega	Nicaragua	360000 people
San Vicente	El Salvador	230000 people
La Paz	El Salvador	310000 people
Valle	Honduras	140000 people
Morazan	El Salvador	250000 people
Choluteca	Honduras	360000 people
Cabanas	El Salvador	210000 people
La Libertad	El Salvador	490000 people
Cuscatlan	El Salvador	230000 people
Leon	Nicaragua	380000 people
Intibuca	Honduras	150000 people
San Salvador	El Salvador	1.2 million people
La Paz	Honduras	130000 people
Francisco Morazan	Honduras	1000000 people
Lempira	Honduras	210000 people
Chalatenango	El Salvador	270000 people
El Paraiso	Honduras	280000 people
Comayagua	Honduras	270000 people
Sonsonate	El Salvador	400000 people
Madriz	Nicaragua	98000 people
Santa Ana	El Salvador	520000 people
Esteli	Nicaragua	190000 people
Ocotepeque	Honduras	89000 people
Nueva Segovia	Nicaragua	130000 people
Managua	Nicaragua	1.1 million people
Ahuachapan	El Salvador	300000 people
Santa Barbara	Honduras	310000 people
Copan	Honduras	260000 people
Matagalpa	Nicaragua	350000 people
Jutiapa	Guatemala	430000 people
Carazo	Nicaragua	170000 people
Chiquimula	Guatemala	290000 people
Jinotega	Nicaragua	190000 people
Cortes	Honduras	800000 people
Masaya	Nicaragua	250000 people
Santa Rosa	Guatemala	330000 people
Granada	Nicaragua	180000 people
Yoro	Honduras	400000 people
Olancho	Honduras	340000 people
Boaco	Nicaragua	130000 people
Jalapa	Guatemala	230000 people
Zacapa	Guatemala	200000 people
Rivas	Nicaragua	170000 people
Izabal	Guatemala	330000 people
Chontales	Nicaragua	140000 people
Escuintla	Guatemala	570000 people
El Progreso	Guatemala	140000 people
Guatemala	Guatemala	2.2 million people
Zelaya	Nicaragua	330000 people
Alta Verapaz	Guatemala	510000 people
Atlantida	Honduras	410000 people
Sacatepequez	Guatemala	210000 people
Guanacaste	Costa Rica	230000 people
Baja Verapaz	Guatemala	200000 people
Chimaltenango	Guatemala	390000 people
Quiche	Guatemala	560000 people
Toledo	Belize	17000 people
Suchitepequez	Guatemala	410000 people
Rio San Juan	Nicaragua	57000 people
Colon	Honduras	150000 people
Peten	Guatemala	230000 people
Alajuela	Costa Rica	580000 people
Solola	Guatemala	260000 people
Totonicapan	Guatemala	350000 people
Retalhuleu	Guatemala	260000 people
Quezaltenango	Guatemala	630000 people
Stann Creek	Belize	21000 people
Gracias a Dios	Honduras	42000 people
Cayo	Belize	34000 people
Huehuetenango	Guatemala	740000 people
Islas de la Bahia	Honduras	27000 people
Chiapas	Mexico	3.5 million people
San Marcos	Guatemala	810000 people
Puntarenas	Costa Rica	380000 people
Belize	Belize	68000 people

Affected populated places

Name	Region Province	Country	City class	Population	Distance
Balneario El Espino	Usulután	El Salvador	Village	-	49 km
La Periquera	Usulután	El Salvador	Village	-	50 km
Conchagüita	San Miguel	El Salvador	Village	-	52 km
Hacienda La Chepona	Usulutan	El Salvador	Village	-	53 km
Agua	La Unión	El Salvador	Village	-	55 km
Chirilagua	San Miguel	El Salvador	Village	6300 people	57 km
Hacienda San José	Usulutan	El Salvador	Village	-	57 km
El Carao	San Miguel	El Salvador	Village	-	58 km
Jucuarán	Usulután	El Salvador	Village	1400 people	59 km
Canoguero	La Union	El Salvador	Village	-	59 km
El Chile	Usulutan	El Salvador	Village	-	60 km
El Huiscoyol	San Miguel	El Salvador	Village	-	60 km
El Amate	La Union	El Salvador	Village	-	61 km
Corral de Mulas	Usulutan	El Salvador	Village	-	61 km
Anchila	Usulután	El Salvador	Village	-	63 km
Capulín	San Miguel	El Salvador	Village	-	64 km
Agua Caliente	La Unión	El Salvador	Village	-	65 km
Tierra Blanca	San Miguel	El Salvador	Village	-	65 km
Iglesia Vieja	Usulután	El Salvador	Village	-	66 km
Hacienda Obrajuelo	Usulutan	El Salvador	Village	-	67 km
El Piche	La Union	El Salvador	Village	-	68 km
El Espíritu Santo	Usulután	El Salvador	Village	-	69 km
Puerto Del Triunfo	Usulután	El Salvador	Village	-	69 km
El Transito	San Miguel	El Salvador	Village	8300 people	69 km

see full list

Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

Airports

Name	Elevation (m)	Distance
Tamarindo	3	61 km
La Carrera	52	71 km
El Papalon	68	81 km
El Playon	79	98 km

Ports

Name	LOCODE	Country	Distance
Puerto El Triunfo		El Salvador	68 km
La Union	SVLUN	El Salvador	81 km
Amapala	HNAMP	Honduras	93 km

More information

For a full list of available products related to this event, please refer to the GDACS Resources page.

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