Light earthquake, 4.8 mag has occurred near Ōhara in Japan

A light earthquake with magnitude 4.8 (ml/mb) was reported 19 kilometers (12 miles) from Ōhara in Japan on Monday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 41.86 km (26 miles) below the earth’s surface. Exact location of event, longitude 140.535 East, latitude 35.3743 North, depth = 41.86 km. The temblor was picked up at 00:24:40 / 12:24 am (local time epicenter). Unique identifier: us6000bbnc. Ids that are associated to the event: us6000bbnc. Date and time of earthquake in UTC/GMT: 10/08/20 / 2020-08-10 00:24:40 / August 10, 2020 @ 12:24 am.

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Iwatsuki, Shiki, Machida. Country/countries that might be effected, Japan (c. 127 288 000 pop). Event epicenter was 84 km (52 miles) from Tokyo (c. 8 336 600 pop), 81 km (51 miles) from Yokohama (c. 3 574 400 pop), 76 km (47 miles) from Kawasaki (c. 1 306 800 pop), 99 km (62 miles) from Saitama (c. 1 193 400 pop), 99 km (62 miles) from Yono (c. 1 077 700 pop), 45 km (28 miles) from Chiba (c. 919 700 pop), 61 km (38 miles) from Funabashi (c. 560 700 pop).

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

Did you feel the quake?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. 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: 19 km NE of Ōhara, Japan.

More information

Parameter	Value	Description
Magnitude	4.8 mb	The magnitude for the event.
Longitude	140.535° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	35.3743° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	41.86 km	Depth of the event in kilometers.
Place	19 km NE of Ōhara, Japan	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2020-08-10 00:24:40	Time when the event occurred. UTC/GMT
Updated	2020-08-10 00:43:45	Time when the event was most recently updated. UTC/GMT
Timezone offset		Timezone offset from UTC in minutes at the event epicenter.
Felt	1	The total number of felt reports
CDI	2	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	355	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	0.899	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.58 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	83	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	us6000bbnc	Id of event.
Event Code	6000bbnc	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us6000bbnc,	A comma-separated list of event ids that are associated to an event.

Parameter

Value

Description

Magnitude

4.8 mb

The magnitude for the event.

Longitude

140.535° East

Decimal degrees longitude. Negative values for western longitudes.

Latitude

35.3743° North

Decimal degrees latitude. Negative values for southern latitudes.

Depth

41.86 km

Depth of the event in kilometers.

Place

19 km NE of Ōhara, Japan

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

Time

2020-08-10 00:24:40

Time when the event occurred. UTC/GMT

Updated

2020-08-10 00:43:45

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

Timezone offset

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

355

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

0.899

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

Root Mean Square

0.58 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

us6000bbnc

Id of event.

Event Code

6000bbnc

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

Event IDS

,us6000bbnc,

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

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Light earthquake, 4.8 mag has occurred near Ōhara in Japan

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