Light earthquake 4.1 mag, Bonin Islands, Japan region

A light earthquake magnitude 4.1 (ml/mb) has occurred on Monday, Bonin Islands, Japan region (0 miles). Unique identifier: us7000cs4d. Ids that are associated to the event: us7000cs4d. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, longitude 139.9374 East, latitude 28.6911 North, depth = 435.13 km. The 4.1-magnitude earthquake has occurred at 19:44:36 / 7:44 pm (local time epicenter). Global date and time of event UTC/GMT: 14/12/20 / 2020-12-14 19:44:36 / December 14, 2020 @ 7:44 pm. The epicenter was at a depth of 435.13 km (270 miles).

There are an estimated 13,000 light quakes in the world each year. 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 three and in the last 365 days sixteen earthquakes of magnitude 3.0 or greater that have been detected nearby.

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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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: Bonin Islands, Japan region. This information comes from the USGS Earthquake Notification Service.

Bonin Islands Japan region

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Parameter	Value	Description
Magnitude	4.1 mb	The magnitude for the event.
Longitude	139.9374° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	28.6911° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	435.13 km	Depth of the event in kilometers.
Place	Bonin Islands, Japan region	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2020-12-14 19:44:36	Time when the event occurred. UTC/GMT
Updated	2020-12-22 19:09:45	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	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	2.545	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.7 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	110	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	us7000cs4d	Id of event.
Event Code	7000cs4d	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us7000cs4d,	A comma-separated list of event ids that are associated to an event.

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Light earthquake 4.1 mag, Bonin Islands, Japan region

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