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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.9 mag, 31 km S of Agrihan, Northern Mariana Islands

Posted by admin on December 4, 2014 0 Comments

Earthquake location 18.4906S, 145.7185WA light earthquake magnitude 4.9 (mg/mb) has striked on Thursday, 31 kilometers (19 miles) from Agrihan in Northern Mariana Islands. The temblor was reported at 11:01:54 / 11:01 am (local time epicenter) at a depth of 189.43 km (118 miles). Global time of event 2014-12-04 01:01:54 UTC/GMT. A tsunami warning has not been issued, according to the U.S. Geological Survey. Exact location of event, longitude 145.7185 East, latitude 18.4906 North, depth 189.43 km.

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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 quake recorded in: 31 km S of Agrihan, Northern Mariana Islands.


More information

Parameter Value Description
Magnitude 4.9 mb The magnitude for the event.
Longitude 145.7185° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.4906° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 189.43 km Depth of the event in kilometers.
Place 31km S of Agrihan, Northern Mariana Islands Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2014-12-04 01:01:54 Time when the event occurred. UTC/GMT
Updated 2014-12-04 01:19:29 Time when the event was most recently updated. UTC/GMT
Timezone offset 600 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 369 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 4.941 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.69 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 118 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 usc000t3ll Id of event.
Event Code c000t3ll An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS usc000t3ll A comma-separated list of event ids that are associated to an event.

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