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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.6 quake strikes near Iwaki in Japan

Posted by admin on December 13, 2014 0 Comments

Earthquake location 36.6698S, 141.5471WA light earthquake magnitude 4.6 (mg/mb) was reported Sunday, 72 kilometers (45 miles) from Iwaki in Japan. The temblor was reported at 04:46:58 / 4:46 am (local time epicenter) at a depth of 37.31 km (23 miles). Global time of event 2014-12-13 07:46:58 UTC/GMT. A tsunami warning has not been issued, according to the U.S. Geological Survey. Exact location of event, longitude 141.5471 East, latitude 36.6698 North, depth 37.31 km.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude 141.5471° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.6698° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 37.31 km Depth of the event in kilometers.
Place 72km SE of Iwaki, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2014-12-13 19:46:58 Time when the event occurred. UTC/GMT
Updated 2014-12-13 22:43:30 Time when the event was most recently updated. UTC/GMT
Timezone offset 540 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 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 1.178 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.61 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 97 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 usc000t6d8 Id of event.
Event Code c000t6d8 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS usc000t6d8 A comma-separated list of event ids that are associated to an event.

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