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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.6 quake has struck near Chichi-shima in Japan

Posted by admin on December 19, 2015 0 Comments

Earthquake location 28.7855S, 141.9634WA light earthquake magnitude 4.6 (ml/mb) strikes 190 km N of Chichi-shima, Japan (118 miles) on Saturday. The temblor was reported at 06:23:54 / 6:23 am (local time epicenter). The epicenter of the earthquake was roughly 38.74 km (24 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Unique identifier: us1000455x. Ids that are associated to the event: us1000455x. Date and time of earthquake in UTC/GMT: 04/12/15 / 2015-12-04 21:23:54 / December 4, 2015 @ 9:23 pm. Exact location of earthquake, longitude 141.9634 East, latitude 28.7855 North, depth = 38.74 km.

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

How would you describe the shaking?

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. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 190 km N of Chichi-shima, Japan.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude 141.9634° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 28.7855° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 38.74 km Depth of the event in kilometers.
Place 190km N of Chichi-shima, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-12-04 21:23:54 Time when the event occurred. UTC/GMT
Updated 2015-12-19 03:53:07 Time when the event was most recently updated. UTC/GMT
Timezone offset 540 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 326 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 1.694 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.49 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 136 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 us1000455x Id of event.
Event Code 1000455x An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000455x, A comma-separated list of event ids that are associated to an event.

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