Overall Green Earthquake alert Off-shore on 22 Jun 2024 00:33 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 4.6 Off-shore on 22 Jun 2024 00:33 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:	4.6M
Depth:	34.1 Km
Lat/Lon:	36.2496 , 141.6292
Event Date:	22 Jun 2024 00:33 UTC 22 Jun 2024 09:33 Local
Exposed Population:	660 thousand in 100km
Source:	NEIC us7000mtvq
Inserted at:	22 Jun 2024 01:14 UTC
INFORM Coping capacity of the alert score	1.1 ()

GDACS Score

For more info on GDACS alert score click here.

	Earthquake		GDACS score
NEIC	0		0
us7000mtvq	Scaled population (vector)	0
	C1 earthquake	1
	C2 earthquake	0
	Country Vulnerability	0
	INFORM_normalised	1

Maximum expected impact using different data sources.

Episode Timeline

ID	Alert	Score	Date	Mag, Depth	MMI*	Population**	Tsunami risk***	Delay (hh:mm)	Source
1578033		0	22 Jun 2024 00:33	4.6M, 34.1km	N/A	660 thousand (in 100km)		00:41	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 off shore.

Radius	Population
100 km	660000 people
75 km	no people
50 km	no people
20 km	no people
10 km	no people
5 km	no people
2 km	no people

Affected Provinces

Critical infrastructure

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

Ports

Name	LOCODE	Country	Distance
Choshi	JPCHO	Japan	92 km
Kashima	JPKSM	Japan	92 km
Hitachi	JPHTC	Japan	94 km

Nuclear power plants

Site	Type	Name	Country
Site-Tōkai	Nuclear Fuel Cycle	Plutonium Fuel Production Facility (PFPF-FBR)	Japan
Site-Tōkai	Nuclear Fuel Cycle	JAEA Tokai (PFDF-MOX)	Japan
Site-Tōkai	Nuclear Fuel Cycle	Tokai II NPP Site SFSF	Japan
Site-Tōkai	Nuclear Power Plant	Tokai-2	Japan
Site-Tōkai	Nuclear Fuel Cycle	Tokai Works	Japan
Site-Tokai	Nuclear Power Plant	Tokai-1
Site-Oarai-machi	Research Reactor	DCA	Japan
Site-Tokai-Mura	Research Reactor	JRR-4	Japan
Site-Tokai-Mura	Research Reactor	JRR-2	Japan
Site-Tokai-Naka	Research Reactor	TCA Tank Critical Assembly	Japan
Site-Tokai-Naka	Research Reactor	TRACY	Japan
Site-Tokai-Mura	Research Reactor	STACY	Japan
Site-Tokai-Mura	Research Reactor	FCA	Japan
Site-Tōkai	Nuclear Fuel Cycle	MNF-Fuel Fabrication Facility	Japan
Site-Tōkai	Nuclear Fuel Cycle	MNF-Reconversion facility	Japan
Site-Tokai-Naka	Research Reactor	YAYOI	Japan
Site-Oarai	Research Reactor	JOYO	Japan
Site-Ōarai	Research reactor	HTTR	Japan
Site-Higashiibaraki-gun	Research Reactor	JMTR	Japan
Site-Pendang	Research reactor	JRR-3M	Japan
Site-Pendang	Research reactor	NSRR	Japan
Site-Pendang	Research reactor	NSRR	Malaysia
Site-Pendang	Research reactor	JRR-3M	Malaysia

More information

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

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