Light earthquake, 4.1 mag strikes near Mutsu in Japan

A light earthquake magnitude 4.1 (ml/mb) strikes 27 kilometers (17 miles) from Mutsu in Japan on Friday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude 141.3165 East, latitude 41.5298 North, depth = 103.16 km. Event ids that are associated to the earthquake: us7000bdrw. Id of event: us7000bdrw. The earthquake occurred at a depth of 103.16 km (64 miles) below the earth’s surface. Exact time and date of earthquake 21/08/20 / 2020-08-21 20:36:37 / August 21, 2020 @ 8:36 pm UTC/GMT. The 4.1-magnitude earthquake was detected at 20:36:37 / 8:36 pm (local time epicenter).

Nearby country/countries, Japan (c. 127 288 000 pop) (That might be effected). Nearest cities/city/towns to hypocenter/epicentrum was Muroran, Nanae, Kamiiso (min 5000 pop). Event epicenter was 55 km (34 miles) from Hakodate (c. 275 700 pop), 92 km (57 miles) from Muroran (c. 96 200 pop), 28 km (17 miles) from Mutsu (c. 49 200 pop), 64 km (40 miles) from Kamiiso (c. 38 100 pop), 66 km (41 miles) from Nanae (c. 30 000 pop).

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days two and in the last 365 days twenty-five 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. Every year there are an estimated 13,000 light earthquakes in the world.

Did you feel it?

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. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 27 km NNE of Mutsu, Japan.

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Parameter	Value	Description
Magnitude	4.1 mb	The magnitude for the event.
Longitude	141.3165° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	41.5298° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	103.16 km	Depth of the event in kilometers.
Place	27 km NNE of Mutsu, Japan	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2020-08-21 20:36:37	Time when the event occurred. UTC/GMT
Updated	2020-09-16 20:41:43	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	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	259	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	0.763	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.69 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	111	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	us7000bdrw	Id of event.
Event Code	7000bdrw	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us7000bdrw,	A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4.1 mag strikes near Mutsu in Japan

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