Overall Green Earthquake alert in United States from 10 Oct 2021 21:48 UTC to 21:48

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 5.7 in United States from 10 Oct 2021 21:48 UTC to 21:48

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:	5.7M
Depth:	34.66 Km
Lat/Lon:	19.0028 , -155.5068
Event Date:	10 Oct 2021 21:48 UTC 10 Oct 2021 11:48 Local
Exposed Population:	150 thousand in 100km
Source:	NEIC us6000ftk2
Inserted at:	18 Oct 2021 15:25 UTC
INFORM Coping capacity of the alert score	2.2 (United States)

GDACS Score

For more info on GDACS alert score click here.

	Earthquake		GDACS score
NEIC	0		0
us6000ftk2	Scaled population (vector)	4.46
	C1 earthquake	1
	C2 earthquake	0
	Country Vulnerability	0
	INFORM_normalised	0.65

Maximum expected impact using different data sources.

Episode Timeline

ID	Date	Mag, Depth	MMI*	Population**	Tsunami risk***	Delay (hh:mm)	Source
1401457	10 Oct 2021 21:48	6.1M, 17.1km	N/A	20 thousand (in 100km)		7d 17:37	PTWC
1401462	10 Oct 2021 21:48	5.7M, 34.66km	N/A	150 thousand (in 100km)		7d 17:36	NEIC
1401464	10 Oct 2021 21:48	6.21M, 35.06km	6.82	N/A (in MMI>=VII)	0m (at 00:00)	7d 17:50	HVO

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 Naalehu, Honuapo, Kaalualu, Waiohinu, Hilea, Kuipo, Waiahukini, Pahala, Hawaiian Ocean View, Punaluu Kahawai, and Napoopao.

Radius	Population
100 km	150000 people
75 km	12000 people
50 km	1800 people
20 km	<1000 people
10 km	<1000 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
Naalehu	Hawaii	United States	Village	<1000 people	11 km
Honuapo	Hawaii	United States	Village	-	12 km
Kaalualu	Hawaii	United States	Village	-	12 km
Waiohinu	Hawaii	United States	Village	-	14 km
Hilea	Hawaii	United States	Village	-	15 km
Kuipo	Hawaii	United States	Village	-	19 km
Waiahukini	Hawaii	United States	Village	-	21 km
Pahala	Hawaii	United States	Village	1400 people	22 km
Hawaiian Ocean View	Hawaii	United States	Village	2200 people	28 km
Punaluu Kahawai	Hawaii	United States	Village	-	29 km
Country Garden Estates	Hawaii	United States	Village	-	32 km
Ainapo	Hawaii	United States	Village	-	40 km
Papa	Hawaii	United States	Village	-	45 km
Milolii	Hawaii	United States	Village	-	47 km
Komakawai	Hawaii	United States	Village	-	52 km
Volcano House	Hawaii	United States	Village	-	54 km
Kaunene	Hawaii	United States	Village	-	55 km
Hookena	Hawaii	United States	Village	-	59 km
Kealia	Hawaii	United States	Village	-	59 km
Keokea	Hawaii	United States	Village	-	61 km
Volcano	Hawaii	United States	Village	2200 people	62 km
Royal Gardens	Hawaii	United States	Village	-	63 km
Honaunau	Hawaii	United States	Village	-	63 km
Papaloa	Hawaii	United States	Village	-	64 km
Kupaahu	Hawaii	United States	Village	-	64 km
Fern Forest	Hawaii	United States	Village	<1000 people	64 km
Glenwood	Hawaii	United States	Village	-	66 km
Pawaina	Hawaii	United States	Village	-	67 km
Kalapana	Hawaii	United States	Village	-	68 km
Napoopao	Hawaii	United States	Village	-	68 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
Kaalaiki Airstrip		599				0	15 km
Pahala Airstrip		364				0	24 km
Upper Paauau		792				0	25 km
Rainshed		1219				0	54 km
Mountain View Airstrip		457				0	73 km
Bradshaw AAF	BSF	1886	Civ.	Paved	No	3600	84 km
Hilo Hospital		148				0	87 km
Mauna Kea-Honolii		427				0	93 km
Hilo International	ITO	12	Civ.	Paved	Yes	9800	93 km
Puu Waa Waa Ranch		686				0	94 km
Lucy Henriques Medical Center		853				0	97 km
Keahole	KOA	13	Civ.	Paved	Yes	11000	99 km

Ports

Name	LOCODE	Country	Distance
Honuapo		Wake Island	10 km
Milolii		Wake Island	47 km
Kauhako Bay		Wake Island	59 km
Napoopoo		Wake Island	69 km
Kailua		Wake Island	87 km
Hilo	USITO	Wake Island	92 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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