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

Posted by admin on March 7, 2020 0 Comments

Earthquake location 27.8964S, 139.9977WA light earthquake with magnitude 4 (ml/mb) was detected on Sunday, 237 km WNW of Chichi-shima, Japan (147 miles). Exact location of earthquake, longitude 139.9977 East, latitude 27.8964 North, depth = 376.41 km. Global time and date of event 07/03/20 / 2020-03-07 21:39:17 / March 7, 2020 @ 9:39 pm UTC/GMT. Unique identifier: us60008bsm. Ids that are associated to the event: us60008bsm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was picked up at 06:39:17 / 6:39 am (local time epicenter). The epicenter was at a depth of 376.41 km (234 miles).

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 two, in the past 30 days four and in the last 365 days eighteen earthquakes of magnitude 3.0 or greater that has occurred nearby. Each year there are an estimated 13,000 light quakes in the world.

Did you feel anything?

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, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 237 km WNW 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 139.9977° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 27.8964° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 376.41 km Depth of the event in kilometers.
Place 237km WNW 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 2020-03-07 21:39:17 Time when the event occurred. UTC/GMT
Updated 2020-03-07 22:32:08 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 2.099 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.79 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 73 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 us60008bsm Id of event.
Event Code 60008bsm An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us60008bsm, A comma-separated list of event ids that are associated to an event.

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