Overall Green Earthquake alert in Bonin Islands, Japan Region on 30 May 2015 11:23 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 7.8 in Bonin Islands, Japan Region on 30 May 2015 11:23 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:	7.8M
Depth:	677.56 Km
Lat/Lon:	27.8312 , 140.4932
Event Date:	30 May 2015 11:23 UTC 30 May 2015 20:23 Local
Exposed Population:	About 2000 people in MMI No people within 100km
Source:	NEIC
Inserted at:	30 May 2015 11:43 UTC

GDACS Score

For more info on GDACS alert score click here.

	Earthquake	Tsunami		GDACS score
NEIC	0	0		0
	Scaled population (vector)	Max wave scenario	0m
	C1 earthquake	Max wave realtime	0m
	C2 earthquake
	Country Vulnerability
	INFORM_normalised

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	Score	Date	Mag, Depth	MMI*	Population**	Tsunami risk***	Delay (hh:mm)	Source
1082609	0	30 May 2015 11:23	7.7M, 704km	N/A	No people affected (in 100km)	0m (at 00:00)	00:06	GEOFON
1082611	0.1	30 May 2015 11:23	8.5M, 696km	N/A	No people affected (in 100km)	0.2m (at 04:22)	00:14	PTWC
1082616	0.1	30 May 2015 11:23	8.5M, 696km	N/A	No people affected (in 100km)	0.1m (at 04:06)	00:16	NTWC
1082617	0	30 May 2015 11:23	7.8M, 677.56km	N/A	N/A (in MMI>=VII)	0m (at 00:00)	00:20	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 unknowed a zone. The alertlevel for this event is Green

Intensity	Population
	no people
	2300 people
	no people

Shakemaps Timeline

Alert	Shake id #	Score	episodeid	Lat/Lon	Magnitude	Depth	Max MMI	Date shake (UTC)	Delay (hh:mm)
	1	0	1082617	27.831/140.493	7.8	677.56	0	17 Oct 2016 10:36	505d 23:13	(new episode)

Affected Provinces

Affected populated places. Areas of interest

Intensity	Name	Region Province	Country	City class	Population	Distance
	Ogigaura	Shizuoka	Japan	Village	-	189 km

see full list

Critical infrastructure

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

Ports

Name	Country	Distance
Muko	Japan	163 km
Omura	Japan	186 km
Haha	Japan	215 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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