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

Posted by admin on March 20, 2018 0 Comments

Earthquake location 29.7601S, 142.3878WA light earthquake with magnitude 4.6 (ml/mb) was reported 297 km N of Chichi-shima, Japan (185 miles) on Tuesday. The earthquake occurred at a depth of 21.78 km (14 miles). All ids that are associated to the event: us1000d4br. Unique identifier: us1000d4br. The temblor was picked up at 07:19:44 / 7:19 am (local time epicenter). Exact location of earthquake, longitude 142.3878 East, latitude 29.7601 North, depth = 21.78 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global time and date of event 05/03/18 / 2018-03-05 22:19:44 / March 5, 2018 @ 10:19 pm UTC/GMT.

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 four, in the last 10 days five, in the past 30 days six and in the last 365 days twenty-four earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Questions or comments?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 297 km N of Chichi-shima, Japan. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude 142.3878° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 29.7601° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 21.78 km Depth of the event in kilometers.
Place 297km 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 2018-03-05 22:19:44 Time when the event occurred. UTC/GMT
Updated 2018-03-20 03:57:19 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 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 2.66 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.99 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 142 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 us1000d4br Id of event.
Event Code 1000d4br An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000d4br, A comma-separated list of event ids that are associated to an event.

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