Overall Green Earthquake alert in Japan on 16 May 2008 23:48 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 4.5 in Japan on 16 May 2008 23:48 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:	37.1 Km
Lat/Lon:	36.6254 , 141.278
Event Date:	16 May 2008 23:48 UTC 17 May 2008 08:48 Local
Exposed Population:	1710000 people within 100km
Source:	NEIC
Inserted at:	17 May 2008 01:51 UTC

GDACS Score

For more info on GDACS alert score click here.

	Earthquake		GDACS score
NEIC	0.5		0.5
	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
39519	0.5	16 May 2008 23:48	4.2M, 30km	N/A	1.8 million (in 100km)	00:08	JMA
39520	0.5	16 May 2008 23:48	4.6M, 56km	N/A	4.7 million (in 100km)	00:18	GEOFON
39521	0.5	16 May 2008 23:48	4.5M, 37.1km	N/A	1.7 million (in 100km)	02:03	NEIC
39531	0.5	16 May 2008 23:48	4.7M, 17km	N/A	1.6 million (in 100km)	07:54	GEOFON
39535	0.5	16 May 2008 23:48	4.5M, 33km	N/A	1.6 million (in 100km)	08:28	EMSC

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 Japan , Region of Tohoku (population 9,984,608) . The nearest places are Ohahama, Ena, Toyoma, Onahama, Obama, Hirakata, Shuku, Ono-Yasashi, Hama, Isohara, and Mito.

Radius	Population
100 km	1.8 million people
75 km	930000 people
50 km	32000 people
20 km	no people
10 km	no people
5 km	no people
2 km	no people

Affected Provinces

Region Province	Country	Population
Tohoku	Japan	10 million people
Kanto	Japan	38.5 million people
Chubu	Japan	5.2 million people
Kinki	Japan	22.2 million people

Affected populated places

Name	Region Province	Country	City class	Population	Distance
Ohahama	Fukushima	Japan	Village	-	47 km
Ena	Fukushima	Japan	Village	-	48 km
Toyoma	Fukushima	Japan	Village	-	49 km
Onahama	Fukushima	Japan	City	-	50 km
Obama	Fukushima	Japan	Village	-	50 km
Hirakata	Ibaraki	Japan	Village	-	50 km
Shuku	Ibaraki	Japan	Village	-	50 km
Ono-Yasashi	Ibaraki	Japan	Village	-	50 km
Hama	Ibaraki	Japan	Village	-	51 km
Isohara	Ibaraki	Japan	Village	-	51 km
Kawajiri	Ibaraki	Japan	Village	-	52 km
Kitakubo	Ibaraki	Japan	Village	-	52 km
Terashita	Fukushima	Japan	Village	-	52 km
Kawaziri	Ibaraki	Japan	Village	-	52 km
Yunami	Ibaraki	Japan	Village	-	52 km
Sumiyoshi	Fukushima	Japan	Village	-	52 km
Tajirihama	Ibaraki	Japan	Village	-	52 km
Shimo-Takaku	Fukushima	Japan	Village	-	53 km
Kisara	Ibaraki	Japan	Village	-	53 km
Tomobe	Ibaraki	Japan	Village	-	54 km
Ueda	Fukushima	Japan	City	-	54 km
Ogitsu	Ibaraki	Japan	Village	-	54 km
Shimo-Yata	Fukushima	Japan	Village	-	54 km
Tanebe	Fukushima	Japan	Village	-	54 km
Kubota	Fukushima	Japan	Village	-	54 km
Kitakota	Ibaraki	Japan	Village	-	55 km
Soeno	Fukushima	Japan	Village	-	55 km
Kezuruki-Yashiki	Ibaraki	Japan	Village	-	55 km
Yamabe	Ibaraki	Japan	Village	-	55 km
Sekifune	Fukushima	Japan	Village	-	55 km
Idekura	Fukushima	Japan	Village	-	55 km
Aratame	Fukushima	Japan	Village	-	55 km
Hitachi	Ibaraki	Japan	City	180000 people	55 km
Uchino	Ibaraki	Japan	Village	-	56 km
Taira	Fukushima	Japan	City	-	57 km
Kanari	Ibaraki	Japan	Village	-	57 km
Moto-Kawarago	Ibaraki	Japan	Village	-	57 km
Ogawa	Fukushima	Japan	Village	-	57 km
Kami-Kamato	Fukushima	Japan	Village	-	58 km
Suzudaira	Ibaraki	Japan	Village	-	58 km
Otsu	Fukushima	Japan	Village	-	58 km
Hatta	Fukushima	Japan	Village	-	58 km
Tsuzura	Fukushima	Japan	Village	-	58 km
Kami-Yamoda	Fukushima	Japan	Village	-	58 km
Narusawa	Ibaraki	Japan	Village	-	58 km
Koshigoe	Ibaraki	Japan	Village	-	58 km
Omori	Fukushima	Japan	Village	-	59 km
Mizuki	Ibaraki	Japan	Village	-	59 km
Torizone	Ibaraki	Japan	Village	-	59 km
Yokokawa	Ibaraki	Japan	Village	-	59 km
Mabarado	Fukushima	Japan	Village	-	59 km
Ohata	Ibaraki	Japan	Village	-	60 km
Wakaguri	Ibaraki	Japan	Village	-	60 km
Kitanosawa	Ibaraki	Japan	Village	-	60 km
Takahara	Ibaraki	Japan	Village	-	60 km
Mizunuma	Ibaraki	Japan	Village	-	61 km
Yoshima	Fukushima	Japan	Village	-	61 km
Kuji	Ibaraki	Japan	City	35000 people	61 km
Irishiken	Ibaraki	Japan	Village	-	62 km
Taki	Fukushima	Japan	Village	-	62 km
Saimaru	Ibaraki	Japan	Village	-	62 km
Toyooka	Ibaraki	Japan	Village	-	62 km
Yonedaira	Ibaraki	Japan	Village	-	62 km
Tabyuto	Fukushima	Japan	Village	-	63 km
Okaneda	Ibaraki	Japan	Village	-	63 km
Nakayama	Fukushima	Japan	Village	-	63 km
Shimo-Kimida	Ibaraki	Japan	Village	-	63 km
Yotsukura	Fukushima	Japan	Village	-	63 km
Kuroda	Fukushima	Japan	Village	-	64 km
Shirane	Ibaraki	Japan	Village	-	64 km
Shinden	Ibaraki	Japan	Village	-	64 km
Minami-Odaira	Fukushima	Japan	Village	-	65 km
Nakaminato	Ibaraki	Japan	Village	31000 people	65 km
Mayumi	Ibaraki	Japan	Village	-	65 km
Mishima	Fukushima	Japan	Village	-	65 km
Wabuchi	Ibaraki	Japan	Village	-	65 km
Machiya	Ibaraki	Japan	Village	-	66 km
Nagasuna	Ibaraki	Japan	Village	-	66 km
Satonomiya	Ibaraki	Japan	Village	-	66 km
Takahagi	Fukushima	Japan	Village	-	66 km
Onida	Ibaraki	Japan	Village	-	66 km
Arayashik	Fukushima	Japan	Village	-	67 km
Shionohira	Fukushima	Japan	Village	-	67 km
Yanagizawa	Ibaraki	Japan	Village	-	67 km
Futta	Fukushima	Japan	Village	-	67 km
Nijibu	Fukushima	Japan	Village	-	67 km
Hosoda	Ibaraki	Japan	Village	-	67 km
Iritono	Fukushima	Japan	Village	-	68 km
Goto	Fukushima	Japan	Village	-	69 km
Dozan	Fukushima	Japan	Village	-	69 km
Okami	Ibaraki	Japan	Village	-	69 km
Shimo-Okado	Ibaraki	Japan	Village	-	69 km
Kami-Asamigawa	Fukushima	Japan	Village	-	70 km
Orihashi	Ibaraki	Japan	Village	-	70 km
Yama-Ogawa	Ibaraki	Japan	Village	-	70 km
Mito	Ibaraki	Japan	Major city	240000 people	87 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
Hyakuri		32	Mil.	Paved	Yes	8800	92 km

Ports

Name	LOCODE	Country	Distance
Onahama	JPONA	Japan	48 km
Hitachi	JPHTC	Japan	60 km
Kashima	JPKSM	Japan	96 km

Dams

Reservoir	Dam Name	River	Year	Distance
Shitokiko	Shitoki	Shitokigawa	1983	59 km
Mizunuma	Mizunuma	Hanazonokawa	1966	59 km
Takashibako	Takashiba	Samekawa	1961	62 km
Jajanboike	Kozogawa	Kozogawa	1985	82 km
Sakashita	Sakashita	Okawaragawa	1973	89 km
Bobatako	Sengozawa	Kitasugawa	1974	94 km

Nuclear plants

Name	Country	Reactors	Distance
TOKAI	JAPAN	3	62 km
FUKUSHIMA-DAINI	JAPAN	4	80 km
FUKUSHIMA-DAIICHI	JAPAN	6	90 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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