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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag strikes near Chichi-shima in Japan

Posted by admin on June 14, 2017 0 Comments

Earthquake location 28.0742S, 139.9289WA light earthquake with magnitude 4.2 (ml/mb) was detected on Sunday, 251 km WNW of Chichi-shima, Japan (156 miles). The temblor was reported at 09:33:55 / 9:33 am (local time epicenter). The epicenter was at a depth of 425.92 km (265 miles). Exact time and date of earthquake 21/05/17 / 2017-05-21 00:33:55 / May 21, 2017 @ 12:33 am UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude 139.9289 East, latitude 28.0742 North, depth = 425.92 km. All ids that are associated to the event: us10008vh8. Unique identifier: us10008vh8.

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

Did you feel it?

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. 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: 251 km WNW of Chichi-shima, Japan.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 139.9289° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 28.0742° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 425.92 km Depth of the event in kilometers.
Place 251km 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 2017-05-21 00:33:55 Time when the event occurred. UTC/GMT
Updated 2017-06-14 04:53:49 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 271 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 2.226 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.59 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 74 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 us10008vh8 Id of event.
Event Code 10008vh8 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10008vh8, A comma-separated list of event ids that are associated to an event.

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