Moderate earthquake, 5.2 mag strikes near Asahi in Japan

A moderate earthquake magnitude 5.2 (ml/mb) strikes 7 kilometers (4 miles) from Asahi in Japan on Friday. Global time and date of event 12/10/18 / 2018-10-12 04:15:47 / October 12, 2018 @ 4:15 am UTC/GMT. Exact location, longitude 140.7349° East, latitude 35.6968° North, depth = 32.01 km. The 5.2-magnitude earthquake was detected at 13:15:47 / 1:15 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event ids that are associated to the earthquake: us1000haxq. Id of event: us1000haxq. The epicenter was at a depth of 32.01 km (20 miles).

Epicenter of the event was 94 km (59 miles) from Tokyo (c. 8 336 600 pop), 103 km (64 miles) from Yokohama (c. 3 574 400 pop), 94 km (58 miles) from Kawasaki (c. 1 306 800 pop), 100 km (62 miles) from Saitama (c. 1 193 400 pop), 101 km (63 miles) from Yono (c. 1 077 700 pop), 56 km (35 miles) from Chiba (c. 919 700 pop), 68 km (42 miles) from Funabashi (c. 560 700 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Oyama, Chōfugaoka, Yokosuka. Nearby country/countries that might be effected, Japan (c. 127 288 000 pop).

Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures. Each year there are an estimated 1320 moderate earthquakes in the world. In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days eight and in the last 365 days eighty-six earthquakes of magnitude 3.0 or greater that have been detected in the same area.

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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: 7 km ESE of Asahi, Japan.

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Parameter	Value	Description
Magnitude	5.2 mb	The magnitude for the event.
Longitude	140.7349° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	35.6968° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	32.01 km	Depth of the event in kilometers.
Place	7km ESE of Asahi, Japan	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2018-10-12 04:15:47	Time when the event occurred. UTC/GMT
Updated	2018-10-12 04:34:49	Time when the event was most recently updated. UTC/GMT
Timezone offset	540	Timezone offset from UTC in minutes at the event epicenter.
Felt	7	The total number of felt reports
CDI	3.4	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	418	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	2.168	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	1.6 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	97	The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	mww	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	us1000haxq	Id of event.
Event Code	1000haxq	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us1000haxq,	A comma-separated list of event ids that are associated to an event.

Parameter

Value

Description

Magnitude

5.2 mb

The magnitude for the event.

Longitude

140.7349° East

Decimal degrees longitude. Negative values for western longitudes.

Latitude

35.6968° North

Decimal degrees latitude. Negative values for southern latitudes.

Depth

32.01 km

Depth of the event in kilometers.

Place

7km ESE of Asahi, Japan

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

Time

2018-10-12 04:15:47

Time when the event occurred. UTC/GMT

Updated

2018-10-12 04:34:49

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

3.4

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

418

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

2.168

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

Root Mean Square

1.6 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

mww

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

Event Type

earthquake

Type of seismic event.

Event ID

us1000haxq

Id of event.

Event Code

1000haxq

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

Event IDS

,us1000haxq,

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

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Moderate earthquake, 5.2 mag strikes near Asahi in Japan

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