Overall Green Earthquake alert in United States on 26 Aug 2012 19:33 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 United States on 26 Aug 2012 19:33 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.

Updated: this report is based on episode 1.

Earthquake Magnitude:	4.9M
Depth:	14.5 Km
Lat/Lon:	33.0208 , -115.554
Event Date:	26 Aug 2012 19:33 UTC 26 Aug 2012 12:33 Local
Exposed Population:	1370000 people within 100km
Source:	NEIC ci15199689
Inserted at:	26 Aug 2012 21:43 UTC

GDACS Score

For more info on GDACS alert score click here.

	Earthquake		GDACS score
NEIC	0.5		0.5
ci15199689	Scaled population (vector)	n.a
	C1 earthquake	n.a
	C2 earthquake	n.a
	Country Vulnerability	n.a
	INFORM_normalised	n.a

Maximum expected impact using different data sources.

Episode Timeline

ID	Score	Date	Mag, Depth	MMI*	Population**	Delay (hh:mm)	Source
119032	0.5	26 Aug 2012 19:32	5.3M, 4.6km	N/A	1.4 million (in 100km)	00:07	NEIC
119033	0.5	26 Aug 2012 19:31	5.4M, 8.9km	N/A	1.4 million (in 100km)	00:09	NEIC
119034	0.5	26 Aug 2012 19:30	5.3M, 10.2km	N/A	1.4 million (in 100km)	00:09	NEIC
119035	0.5	26 Aug 2012 19:31	5.3M, 8.9km	N/A	1.4 million (in 100km)	00:17	NEIC
119038	0.5	26 Aug 2012 19:32	4.9M, 4.6km	N/A	1.4 million (in 100km)	00:18	NEIC
119039	0.5	26 Aug 2012 19:33	4.9M, 3.1km	N/A	1.4 million (in 100km)	00:34	NEIC
119042	0.5	26 Aug 2012 19:31	5.3M, 12.3km	N/A	1.4 million (in 100km)	01:33	NEIC
119044	0.5	26 Aug 2012 19:33	4.9M, 14.5km	N/A	1.4 million (in 100km)	02:10	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 United States , State of California (population 30,971,320) . The nearest places are Brawley, Citrus View, Hovley, Alamorio, Rockwood, Westmorland, Moss, Orita, Wiest, Curlew, and Desert Beach.

Radius	Population
100 km	1.2 million people
75 km	930000 people
50 km	860000 people
20 km	57000 people
10 km	26000 people
5 km	25000 people
2 km	15000 people

Affected Provinces

Region Province	Country	Population
California	United States	31 million people

Affected populated places

Name	Region Province	Country	City class	Population	Distance
Brawley	California	United States	Village	22000 people	1 km
Citrus View	California	United States	Village	-	3 km
Hovley	California	United States	Village	-	3 km
Alamorio	California	United States	Village	-	7 km
Rockwood	California	United States	Village	-	8 km
Westmorland	California	United States	Village	2100 people	10 km
Moss	California	United States	Village	-	13 km
Orita	California	United States	Village	-	13 km
Wiest	California	United States	Village	-	13 km
Curlew	California	United States	Village	-	14 km
Imperial	California	United States	Village	7600 people	15 km
Verdant	California	United States	Village	-	15 km
Calipatria	California	United States	Village	7300 people	16 km
Sandia	California	United States	Village	-	16 km
Fondo	California	United States	Village	-	17 km
Fuller	California	United States	Village	-	18 km
Perrys Corner	California	United States	Village	-	20 km
Anza	California	United States	Village	-	20 km
El Centro	California	United States	Village	38000 people	20 km
Wilsie	California	United States	Village	-	21 km
Meloland	California	United States	Village	-	21 km
Estelle	California	United States	Village	-	22 km
Rico	California	United States	Village	-	23 km
Holtville	California	United States	Village	5600 people	23 km
Seeley	California	United States	Village	1600 people	25 km
Iris	California	United States	Village	-	27 km
Heber	California	United States	Village	3000 people	27 km
Edgar	California	United States	Village	-	28 km
Tortuga	California	United States	Village	-	28 km
Elmore Desert Ranch	California	United States	Village	-	28 km
Niland	California	United States	Village	1100 people	29 km
Date City	California	United States	Village	-	30 km
Dixieland	California	United States	Village	-	30 km
Amos	California	United States	Village	-	31 km
Kane Spring	California	United States	Village	-	31 km
Mundo	California	United States	Village	-	33 km
Calexico	California	United States	Village	27000 people	34 km
Acolita	California	United States	Village	-	35 km
Mt. Signal	California	United States	Village	-	35 km
Plaster City	California	United States	Village	-	36 km
Mexicali	Baja California	Mexico	Major city	600000 people	37 km
Bonds Corner	California	United States	Village	-	37 km
Wister	California	United States	Village	-	38 km
Mesquite	California	United States	Village	-	41 km
Frink	California	United States	Village	-	44 km
Giamis	California	United States	Village	-	44 km
Rancho de Mis Recuerdos	Baja California	Mexico	Village	-	44 km
Glamis	California	United States	Village	-	44 km
El Centinela	Baja California	Mexico	Village	-	45 km
Pope	California	United States	Village	-	46 km
Coyote Wells	California	United States	Village	-	48 km
Bertram	California	United States	Village	-	49 km
Ruthven	California	United States	Village	-	50 km
Ocotillo	California	United States	Village	<1000 people	50 km
Sesbania	Baja California	Mexico	Village	-	52 km
Truckhaven	California	United States	Village	-	54 km
Clyde	California	United States	Village	-	54 km
Ejido Guanajuato	Baja California	Mexico	Village	-	55 km
Durmid	California	United States	Village	-	57 km
Ocotillo Wells	California	United States	Village	-	57 km
Polvora	Baja California	Mexico	Village	-	58 km
Salton City	California	United States	Village	<1000 people	58 km
Inperial Gables	California	United States	Village	-	59 km
Cactus	California	United States	Village	-	62 km
Dos Cabezas	California	United States	Village	-	62 km
Mountain Spring	California	United States	Village	-	63 km
Rancho Dos Palmas	California	United States	Village	-	64 km
Mesquite Oasis	California	United States	Village	-	64 km
Mortero Palms	California	United States	Village	-	64 km
Bateques	Baja California	Mexico	Village	-	65 km
Coolidge Springs	California	United States	Village	-	66 km
La Rumorosa	Baja California	Mexico	Village	-	67 km
Ogilby	California	United States	Village	-	68 km
Palm Grove	California	United States	Village	-	68 km
Felicity	California	United States	Village	-	68 km
Hidalgo	Baja California	Mexico	Village	-	69 km
Tecolote	Baja California	Mexico	Village	-	69 km
Desert Beach	California	United States	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)	Usage	Runway type	IFR	Runway Length (ft)	Distance
Brawley Municipal	BWC	-39	Civ.	Paved	Yes	4400	3 km
Pioneers Memorial Hospital		-30				0	3 km
Imperial County	IPL	-17	Civ.	Paved	Yes	5300	17 km
Calipatria Municipal	CLR	-55	Civ.	Paved	No	3400	17 km
El Centro Naf	NJK	-13	Mil.	Paved	Yes	9500	21 km
Douthitt Strip		14				0	21 km
Holtville		18				0	30 km
Johnson Brothers		0				0	34 km
Calexico International	CXL	1	Civ.	Paved	No	4500	35 km
Mexicali	MXL	22	Civ.	Paved	Yes	8500	48 km
Salton Sea	SAS	-26	Civ.	Unpaved	No	5000	48 km
Emory Ranch		146				0	51 km
Ocotillo		49				0	58 km
Desert Air Sky Ranch		unknown				0	64 km
Agua Caliente Springs		372				0	71 km
Jacumba		860				0	71 km
Borrego Air Ranch		175				0	73 km
Chiriaco Summit		522				0	78 km
Borrego Valley	BXS	158				0	79 km
Julian Hinds Pump Plant Airstrip		407				0	80 km
Rancho Vallecito		512				0	81 km
Desert Center		170				0	88 km
Thermal	TRM	-36	Civ.	Paved	Yes	6800	92 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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