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Light World Earthquakes Magnitude 4-4.9, Tsunami warning alerts

Light earthquake 4.1 mag, 8 km SE of Nikiski, Alaska

Posted by admin on November 23, 2014 0 Comments

Earthquake location 60.634S, -151.1819WA light earthquake magnitude 4.1 (mg/mb) was reported Sunday, 8 kilometers (5 miles) from Nikiski in Alaska. The temblor was reported at 08:32:44 / 8:32 am (local time epicenter) at a depth of 73 km (45 miles). Global time of event 2014-11-23 05:32:44 UTC/GMT. A tsunami warning has been issued near Nikiski in Alaska, according to the U.S. Geological Survey. Exact location of event, longitude -151.1819 West, latitude 60.634 North, depth 73 km.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude -151.1819° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 60.634° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 73 km Depth of the event in kilometers.
Place 8km SE of Nikiski, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2014-11-23 17:32:44 Time when the event occurred. UTC/GMT
Updated 2014-11-23 17:36:17 Time when the event was most recently updated. UTC/GMT
Timezone offset -540 Timezone offset from UTC in minutes at the event epicenter.
Felt 1 The total number of felt reports
CDI 3.8 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 1 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 259 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network at The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources at A comma-separated list of network contributors.
Number of Stations Used 12 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.38250722 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.24 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 100.8 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type Ml The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID at00nfi62k Id of event.
Event Code 00nfi62k An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS at00nfi62k A comma-separated list of event ids that are associated to an event.

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