Overall Green Earthquake alert in Japan on 23 Sep 2016 00:14 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 6.2 in Japan on 23 Sep 2016 00:14 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:	6.2M
Depth:	10 Km
Lat/Lon:	34.4876 , 141.659
Event Date:	23 Sep 2016 00:14 UTC 23 Sep 2016 09:14 Local
Exposed Population:	No people within 100km
Source:	NEIC us10006rte
Inserted at:	23 Sep 2016 04:45 UTC

GDACS Score

For more info on GDACS alert score click here.

	Earthquake		GDACS score
NEIC	0		0
us10006rte	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.

ShakeMap is a product of the USGS Earthquake Hazards Program in conjunction with the regional seismic networks. ShakeMaps provide near-real-time maps of ground motion and shaking intensity following significant earthquakes.

Episode Timeline

ID	Date	Mag, Depth	MMI*	Population**	Delay (hh:mm)	Source
1140808	23 Sep 2016 00:14	6.4M, 10km	3.87	N/A (in MMI>=VII)	00:22	NEIC
1140816	23 Sep 2016 00:14	6.3M, 10km	4.08	N/A (in MMI>=VII)	01:00	NEIC
1140832	23 Sep 2016 00:14	6.2M, 10km	4.07	N/A (in MMI>=VII)	04:30	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 Japan ,of Kanto (population 8,858,438) . The alertlevel for this event is Green

Intensity	Population
	no people
	no people

Shakemaps Timeline

Shake id #	episodeid	Lat/Lon	Magnitude	Depth	Max MMI	Date shake (UTC)	Delay (hh:mm)
1	1140808	34.499/141.747	6.4	10	3.87	23 Sep 2016 00:39	00:25	(new episode)
2	1140816	34.501/141.74	6.3	10	4.08	23 Sep 2016 01:28	01:14	(new episode)
3	1140832	34.488/141.659	6.2	10	4.07	23 Sep 2016 04:50	04:36	(new episode)
4	1140832	34.488/141.659	6.2	10	4.07	14 Oct 2016 06:04	21d 05:49	(upd of #3)

Affected Provinces

Intensity	Region Province	Country	Population
	Kanto	Japan	8.9 million people

Affected populated places. Areas of interest

Name	Region Province	Country	City class	Population	Distance
Ohara	Chiba	Japan	City	20000 people	143 km
Katsuura	Chiba	Japan	Village	22000 people	143 km
Inuwaka	Chiba	Japan	Village	-	153 km
Ichinomiya	Chiba	Japan	Village	-	154 km
Choshi	Chiba	Japan	City	84000 people	158 km
Katakai	Chiba	Japan	City	-	160 km
Mobara	Chiba	Japan	City	96000 people	162 km
Hasunuma	Chiba	Japan	Village	-	163 km
Chonan	Chiba	Japan	Village	-	164 km
Asahi Yokaichiba	Chiba	Japan	Village	-	165 km
Togane	Chiba	Japan	Village	55000 people	166 km
Yatabe	Ibaraki	Japan	Village	-	166 km
Oami	Chiba	Japan	Village	-	168 km
Yokoshiba	Chiba	Japan	Village	-	168 km
Naruto	Chiba	Japan	City	22000 people	169 km
Kururi	Chiba	Japan	Village	-	170 km
Ushiku	Chiba	Japan	Village	-	171 km
Tateyama	Chiba	Japan	City	49000 people	174 km
Tako	Chiba	Japan	City	-	176 km
Okunoya	Ibaraki	Japan	Village	-	178 km
Omigawa	Chiba	Japan	City	25000 people	179 km
Narita	Chiba	Japan	City	100000 people	182 km
Goi	Chiba	Japan	Village	-	184 km
Kisarazu	Chiba	Japan	City	120000 people	186 km
Ino	Chiba	Japan	Village	-	186 km
Chiba	Chiba	Japan	Major city	920000 people	187 km
Kashima	Ibaraki	Japan	Village	65000 people	188 km
Sakura	Chiba	Japan	City	180000 people	188 km
Kimitsu	Chiba	Japan	Village	92000 people	189 km
Idako	Ibaraki	Japan	Village	-	190 km
Kansaki	Chiba	Japan	Village	-	194 km
Namegawa	Chiba	Japan	Village	-	194 km
Chiba-nyutaun	Chiba	Japan	Village	-	195 km
Itako	Ibaraki	Japan	Village	25000 people	197 km
Ryugasaki	Chiba	Japan	Village	85000 people	198 km
Negoya	Ibaraki	Japan	Village	-	198 km
Narage	Ibaraki	Japan	Village	-	198 km
Koda	Ibaraki	Japan	Village	-	199 km
Aso	Ibaraki	Japan	Village	-	200 km
Fuda	Ibaraki	Japan	Village	-	203 km
Yamada	Ibaraki	Japan	Village	-	203 km
Edosaki	Ibaraki	Japan	Village	21000 people	203 km
Funabashi	Chiba	Japan	City	560000 people	204 km
Kamagaya	Chiba	Japan	City	110000 people	206 km
Ryugaski	Ibaraki	Japan	Village	-	206 km
Ichikawa	Chiba	Japan	City	460000 people	209 km
Matsudo	Chiba	Japan	City	460000 people	213 km
Abiko	Chiba	Japan	City	130000 people	214 km
Ushiku	Ibaraki	Japan	Village	79000 people	215 km
Yokohama	Kanagawa	Japan	Major city	3.6 million people	215 km
Obari	Ibaraki	Japan	Village	-	222 km
Yatabe	Ibaraki	Japan	Village	-	224 km
Yoshikawa	Saitama	Japan	Village	60000 people	227 km
Chigasaki	Kanagawa	Japan	City	230000 people	229 km
Noda	Chiba	Japan	City	120000 people	229 km
Hojubana	Saitama	Japan	Village	-	239 km
Kuki	Saitama	Japan	Village	72000 people	252 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
Tokyo Narita International	NRT	42	Civ.	Paved	Yes	13100	183 km
Shimoshizu		30				0	188 km
Kisarazu		3	Mil.	Paved	Yes	6000	189 km
Ryugasaki South		2				0	201 km
Ryugasaki		2				0	204 km
Shimofusa		30	Civ.	Paved	Yes	7300	209 km
Yokohama	YOK	unknown				0	214 km
		26				0	218 km
Hyakuri		32	Mil.	Paved	Yes	8800	219 km
Chiba-ken		19				0	239 km

Ports

Name	LOCODE	Country	Distance
Katsuura Ko		Japan	144 km
Choshi	JPCHO	Japan	158 km
Tateyama	JPTTY	Japan	174 km
Kashima	JPKSM	Japan	180 km
Goi	JPGOI	Japan	183 km
Chiba	JPCHB	Japan	187 km
Kisarazu	JPKZU	Japan	188 km
Anegasaki	JPANE	Japan	189 km
Katunan Ko		Japan	202 km
Yokohama	JPYOK	Japan	213 km

Dams

Reservoir	Dam Name	River	Year	Distance
Takatakiko	Takataki	Yorogawa	1990	169 km
Yamakura	Yamakura	Yamakuragawa	1964	178 km
Kori	Kori	Korigawa	1972	183 km
Kasumigaura	Kasumigaura-Kaihatsu	Tonegawa	1995	194 km

More information

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

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