Overall Green Earthquake alert in United States from 08 Dec 2016 16:32 UTC to 16:33

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 4.88 in United States from 08 Dec 2016 16:32 UTC to 16:33

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:	5.3 Km
Lat/Lon:	40.2989998 , -124.9726639
Event Date:	08 Dec 2016 16:33 UTC 08 Dec 2016 08:33 Local
Exposed Population:	About 27158 people within 100km
Source:	NCAL SS nc72734670
Inserted at:	08 Dec 2016 16:43 UTC

GDACS Score

For more info on GDACS alert score click here.

	Earthquake		GDACS score
NCAL SS	0		0
nc72734670	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	Date	Mag, Depth	MMI*	Population**	Delay (hh:mm)	Source
1149680	08 Dec 2016 16:32	5.2M, 10km	N/A	No people affected (in 100km)	00:07	NTWC
1149681	08 Dec 2016 16:33	4.88M, 5.3km	1.39	30 thousand (in 100km)	00:10	NCAL SS
1149683	08 Dec 2016 16:32	5M, 4.29km	N/A	No people affected (in 100km)	00:22	NEIC
1149688	08 Dec 2016 16:32	4.7M, 3.68km	1.39	No people affected (in 100km)	00:57	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 Capetown, Petrolia, Port Kenyon, Ferndale, and Arlynda Corners.

Radius	Population
100 km	27000 people
75 km	<1000 people
50 km	no people
20 km	no people
10 km	no people
5 km	no people
2 km	no people

Affected Provinces

Region Province	Country	Population
California	United States	31 million people
Oregon	United States	3 million people

Affected populated places

Name	Region Province	Country	City class	Population	Distance
Capetown	California	United States	Village	-	56 km
Petrolia	California	United States	Village	-	59 km
Port Kenyon	California	United States	Village	-	67 km
Ferndale	California	United States	Village	1400 people	68 km
Arlynda Corners	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
Rohnerville		119	Civ.	Paved	Yes	4000	77 km
Eureka Municipal		6				0	84 km

Ports

Name	LOCODE	Country	Distance
Cape Mendocino		Wake Island	51 km
Fields Landing		Wake Island	79 km

More information

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

Disclaimer
While we try everything to ensure accuracy, this information is purely indicative and should not be used for any decision making without alternate sources of information.
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