Light earthquake, 4.7 mag has occurred near Nikko in Japan

A light earthquake with magnitude 4.7 (ml/mb) was reported 10 kilometers (6 miles) from Nikko in Japan on Wednesday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Unique identifier: us60006lxf. Ids that are associated to the event: us60006lxf. Global time and date of event 04/12/19 / 2019-12-04 10:35:06 / December 4, 2019 @ 10:35 am UTC/GMT. The epicenter of the earthquake was roughly 10 km (6 miles) below the earth’s surface. The 4.7-magnitude earthquake has occurred at 19:35:06 / 7:35 pm (local time epicenter). Exact location of event, longitude 139.6848 East, latitude 36.8296 North, depth = 10 km.

Nearby country/countries that might be effected, Japan (c. 127 288 000 pop). Epicenter of the earthquake was 34 km (21 miles) from Utsunomiya-shi (c. 449 900 pop), 89 km (55 miles) from Kōriyama (c. 340 600 pop), 74 km (46 miles) from Maebashi-shi (c. 282 700 pop), 87 km (54 miles) from Mito-shi (c. 246 500 pop), 81 km (50 miles) from Takasaki (c. 240 900 pop), 96 km (59 miles) from Ageoshimo (c. 219 400 pop), 94 km (59 miles) from Kasukabe (c. 206 900 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Motomiya, Ōarai, Iwatsuki.

Every year there are an estimated 13,000 light earthquakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been two, in the last 10 days three, in the past 30 days six and in the last 365 days twenty-two earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Questions or comments?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 10 km NE of Nikko, Japan.

More information

Parameter	Value	Description
Magnitude	4.7 mb	The magnitude for the event.
Longitude	139.6848° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	36.8296° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	10 km	Depth of the event in kilometers.
Place	10km NE of Nikko, Japan	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2019-12-04 10:35:06	Time when the event occurred. UTC/GMT
Updated	2019-12-04 10:59:15	Time when the event was most recently updated. UTC/GMT
Timezone offset	540	Timezone offset from UTC in minutes at the event epicenter.
Felt		The total number of felt reports
CDI		The maximum reported intensity for the event.
MMI		The maximum estimated instrumental intensity for the event.
Alert Level		The alert level from the PAGER earthquake impact scale. Green, Yellow, Orange or Red.
Review Status	reviewed	Indicates whether the event has been reviewed by a human.
Tsunami	0	This flag is set to "1" for large events in oceanic regions and "0" otherwise. The existence or value of this flag does not indicate if a tsunami actually did or will exist.
SIG	340	A number describing how significant the event is. Larger numbers indicate a more significant event.
Network	us	The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources	,us,	A comma-separated list of network contributors.
Number of Stations Used		The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.723	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	1.06 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	96	The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	mb	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	us60006lxf	Id of event.
Event Code	60006lxf	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us60006lxf,	A comma-separated list of event ids that are associated to an event.

Parameter

Value

Description

Magnitude

4.7 mb

The magnitude for the event.

Longitude

139.6848° East

Decimal degrees longitude. Negative values for western longitudes.

Latitude

36.8296° North

Decimal degrees latitude. Negative values for southern latitudes.

Depth

10 km

Depth of the event in kilometers.

Place

10km NE of Nikko, Japan

Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.

Time

2019-12-04 10:35:06

Time when the event occurred. UTC/GMT

Updated

2019-12-04 10:59:15

Time when the event was most recently updated. UTC/GMT

Timezone offset

540

Timezone offset from UTC in minutes at the event epicenter.

Felt

The total number of felt reports

CDI

The maximum reported intensity for the event.

MMI

The maximum estimated instrumental intensity for the event.

Alert Level

The alert level from the PAGER earthquake impact scale. Green, Yellow, Orange or Red.

Review Status

reviewed

Indicates whether the event has been reviewed by a human.

Tsunami

This flag is set to "1" for large events in oceanic regions and "0" otherwise. The existence or value of this flag does not indicate if a tsunami actually did or will exist.

SIG

340

A number describing how significant the event is. Larger numbers indicate a more significant event.

Network

The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.

Sources

,us,

A comma-separated list of network contributors.

Number of Stations Used

The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.

Horizontal Distance

0.723

Horizontal distance from the epicenter to the nearest station (in degrees).

Root Mean Square

1.06 sec

The root-mean-square (RMS) travel time residual, in sec, using all weights.

Azimuthal Gap

The largest azimuthal gap between azimuthally adjacent stations (in degrees).

Magnitude Type

The method or algorithm used to calculate the preferred magnitude for the event.

Event Type

earthquake

Type of seismic event.

Event ID

us60006lxf

Id of event.

Event Code

60006lxf

An identifying code assigned by, and unique from, the corresponding source for the event.

Event IDS

,us60006lxf,

A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4.7 mag has occurred near Nikko in Japan

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