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Light earthquake, 4 mag has occurred near Chichi-shima in Japan

Posted by admin on August 9, 2018 0 Comments

Earthquake location 26.468S, 140.4887WA light earthquake magnitude 4 (ml/mb) strikes 184 km WSW of Chichi-shima, Japan (114 miles) on Friday. Unique identifier: us1000g5yp. Ids that are associated to the event: us1000g5yp. The epicenter of the earthquake was roughly 375.92 km (234 miles) below the earth’s surface. Global time and date of event 09/08/18 / 2018-08-09 17:47:23 / August 9, 2018 @ 5:47 pm UTC/GMT. Exact location of earthquake, longitude 140.4887 East, latitude 26.468 North, depth = 375.92 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4-magnitude earthquake was detected at 02:47:23 / 2:47 am (local time epicenter).

Every 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. 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 ten earthquakes of magnitude 3.0 or greater that have been detected in the same area.

How would you describe the shaking?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 184 km WSW of Chichi-shima, Japan. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 140.4887° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 26.468° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 375.92 km Depth of the event in kilometers.
Place 184km WSW 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 2018-08-09 17:47:23 Time when the event occurred. UTC/GMT
Updated 2018-08-09 20:59:47 Time when the event was most recently updated. UTC/GMT
Timezone offset 540 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 246 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 1.639 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.41 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 121 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 us1000g5yp Id of event.
Event Code 1000g5yp An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000g5yp, A comma-separated list of event ids that are associated to an event.

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