Overall Green Earthquake alert in United States from 18 Dec 2016 16:30 UTC to 16:30

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 United States from 18 Dec 2016 16:30 UTC to 16:30

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:	20.69 Km
Lat/Lon:	18.5083 , -155.5638
Event Date:	18 Dec 2016 16:30 UTC 18 Dec 2016 06:30 Local
Exposed Population:	About 7000 people within 100km
Source:	NEIC us200082cz
Inserted at:	18 Dec 2016 17:48 UTC

GDACS Score

For more info on GDACS alert score click here.

	Earthquake		GDACS score
NEIC	0		0
us200082cz	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
1151117	18 Dec 2016 16:30	4.5M, 7.6km	N/A	5 thousand (in 100km)	00:06	PTWC
1151122	18 Dec 2016 16:30	4.53M, 36.526km	2.57	7 thousand (in 100km)	01:03	HVO
1151123	18 Dec 2016 16:30	4.5M, 20.69km	2.96	8 thousand (in 100km)	01:17	NEIC
1151128	18 Dec 2016 16:30	4.5M, 36.526km	3.51	7 thousand (in 100km)	01:56	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 Hawaii (population 1,153,336) . The nearest places are Waiahukini, Kaalualu, Naalehu, Waiohinu, Honuapo, Hawaiian Ocean View, Country Garden Estates, and Hilea.

Radius	Population
100 km	7900 people
75 km	5200 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
Hawaii	United States	1.2 million people

Affected populated places

Name	Region Province	Country	City class	Population	Distance
Waiahukini	Hawaii	United States	Village	-	52 km
Kaalualu	Hawaii	United States	Village	-	52 km
Naalehu	Hawaii	United States	Village	<1000 people	62 km
Waiohinu	Hawaii	United States	Village	-	62 km
Honuapo	Hawaii	United States	Village	-	65 km
Hawaiian Ocean View	Hawaii	United States	Village	2200 people	66 km
Country Garden Estates	Hawaii	United States	Village	-	67 km
Hilea	Hawaii	United States	Village	-	70 km

see full list

Critical infrastructure

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

Airports

Name	Elevation (m)	Distance
Kaalaiki Airstrip	599	68 km
Pahala Airstrip	364	79 km
Upper Paauau	792	80 km

Ports

Name	LOCODE	Country	Distance
Honuapo		Wake Island	64 km
Milolii		Wake Island	83 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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