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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4 mag, 81 km ENE of Miyako, Japan

Posted by admin on February 20, 2015 0 Comments

Earthquake location 39.839S, 142.8672WA light earthquake magnitude 4 (mg/mb) has striked on Wednesday, 81 kilometers (50 miles) from Miyako in Japan. The temblor was reported at 06:27:41 / 6:27 am (local time epicenter) at a depth of 34.97 km (22 miles). Global time of event 17/02/15 / 2015-02-17 20:27:41 / February 17, 2015 @ 8:27 pm UTC/GMT. A tsunami warning has not been issued, according to the U.S. Geological Survey. Exact location of event, longitude 142.8672 East, latitude 39.839 North, depth 34.97 km, unique identifier, usc000trwv

Close countries, Japan (c. 127 288 000 pop). The epicenter was 82 km (51 miles) from Miyako (c. 51 700 pop), 89 km (55 miles) from Yamada (c. 20 100 pop). Nearest city, towns to epicentrum/hypocenter was Yamada, Miyako.

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Leave a comment or report about shaking, activity and damage at your home, city and country. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded in: 81 km ENE of Miyako, Japan.


More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 142.8672° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 39.839° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 34.97 km Depth of the event in kilometers.
Place 81km ENE of Miyako, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-02-17 20:27:41 Time when the event occurred. UTC/GMT
Updated 2015-02-20 18:01:03 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 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 1.925 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.85 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 157 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 usc000trwv Id of event.
Event Code c000trwv An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,usc000trwv, A comma-separated list of event ids that are associated to an event.

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