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Moderate earthquake 5.7 mag, 249 km NNE of Chichi-shima, Japan

Posted by admin on December 21, 2017 0 Comments

Earthquake location 29.2858S, 142.7204WA moderate earthquake with magnitude 5.7 (ml/mb) was reported 249 km NNE of Chichi-shima, Japan (155 miles) on Thursday. The epicenter of the earthquake was roughly 16.24 km (10 miles) below the earth’s surface. Global time and date of event 21/12/17 / 2017-12-21 03:00:19 / December 21, 2017 @ 3:00 am UTC/GMT. Exact location of earthquake, longitude 142.7204 East, latitude 29.2858 North, depth = 16.24 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was detected at 13:00:19 / 1:00 pm (local time epicenter). Event ids that are associated to the earthquake: us1000bu46. Id of event: us1000bu46.

In the past 24 hours, there have been four, in the last 10 days four, in the past 30 days six and in the last 365 days fourteen earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures. Every year there are an estimated 1320 moderate earthquakes in the world.

Did you feel the quake?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 249 km NNE of Chichi-shima, Japan.

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More information

Parameter Value Description
Magnitude 5.7 mb The magnitude for the event.
Longitude 142.7204° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 29.2858° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 16.24 km Depth of the event in kilometers.
Place 249km NNE 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 2017-12-21 03:00:19 Time when the event occurred. UTC/GMT
Updated 2017-12-21 03:15:18 Time when the event was most recently updated. UTC/GMT
Timezone offset 600 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 2.68 The maximum estimated instrumental intensity for the event.
Alert Level green 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 500 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 2.232 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.08 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 113 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mww The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us1000bu46 Id of event.
Event Code 1000bu46 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000bu46, A comma-separated list of event ids that are associated to an event.

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