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Light earthquake: M4.5 quake has struck near Volcano Islands, Japan region

Posted by admin on December 21, 2020 0 Comments

Earthquake location 22.6243S, 144.7909WA light earthquake with magnitude 4.5 (ml/mb) was reported Volcano Islands, Japan region (0 miles) on Tuesday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Unique identifier: us7000cqar. Ids that are associated to the event: us7000cqar. The earthquake occurred at a depth of 10 km (6 miles). Exact time and date of earthquake 08/12/20 / 2020-12-08 03:02:45 / December 8, 2020 @ 3:02 am UTC/GMT. The 4.5-magnitude earthquake has occurred at 03:02:45 / 3:02 am (local time epicenter). Exact location of event, longitude 144.7909 East, latitude 22.6243 North, depth = 10 km.

In the past 24 hours, there have been five, in the last 10 days five, in the past 30 days seven and in the last 365 days twenty-two earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. There are an estimated 13,000 light earthquakes in the world each year.

Questions or comments?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city 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: Volcano Islands, Japan region.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 144.7909° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 22.6243° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place Volcano 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 2020-12-08 03:02:45 Time when the event occurred. UTC/GMT
Updated 2020-12-21 05:48:45 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 312 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 5.041 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.78 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 94 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 us7000cqar Id of event.
Event Code 7000cqar An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000cqar, A comma-separated list of event ids that are associated to an event.

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