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Light earthquake, 4.4 mag has occurred near Bonin Islands, Japan region

Posted by admin on December 18, 2020 0 Comments

Earthquake location 28.3062S, 140.2122WA light earthquake with magnitude 4.4 (ml/mb) was reported Bonin Islands, Japan region (0 miles) on Friday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, depth 427.57 km, 140.2122° East, 28.3062° North. The temblor was reported at 21:05:57 / 9:05 pm (local time epicenter). Event ids that are associated to the earthquake: us7000cs9k. Id of event: us7000cs9k. The earthquake was roughly at a depth of 427.57 km (266 miles). Exact time and date of event in UTC/GMT: 18/12/20 / 2020-12-18 21:05:57 / December 18, 2020 @ 9:05 pm.

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

How would you describe the shaking?

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. 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: Bonin Islands, Japan region.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude 140.2122° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 28.3062° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 427.57 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 2020-12-18 21:05:57 Time when the event occurred. UTC/GMT
Updated 2020-12-18 21:56:13 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 298 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 2.124 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.43 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 71 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 us7000cs9k Id of event.
Event Code 7000cs9k An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000cs9k, A comma-separated list of event ids that are associated to an event.

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