Overall Green Earthquake alert in United States on 18 Dec 2016 16:30 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 4.53 in United States on 18 Dec 2016 16:30 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:	36.526 Km
Lat/Lon:	18.41 , -155.5171667
Event Date:	18 Dec 2016 16:30 UTC 18 Dec 2016 06:30 Local
Exposed Population:	About 7372 people within 100km
Source:	HVO hv61524671
Inserted at:	18 Dec 2016 17:34 UTC

GDACS Score

For more info on GDACS alert score click here.

	Earthquake		GDACS score
HVO	0		0
hv61524671	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, and Kaalualu.

Radius	Population
100 km	7400 people
75 km	2000 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
Hawaii	United States	1.2 million people

Affected populated places

Name	Region Province	Country	City class	Population	Distance
Waiahukini	Hawaii	United States	Village	-	64 km
Kaalualu	Hawaii	United States	Village	-	64 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	79 km
Pahala Airstrip	364	89 km
Upper Paauau	792	90 km

Ports

Name	LOCODE	Country	Distance
Honuapo		Wake Island	75 km
Milolii		Wake Island	95 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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