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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.3 mag, 8 km WSW of Little Sitkin Island, Alaska



Earthquake location 51.9094S, 178.3899WA light earthquake magnitude 4.3 (mg/mb) has striked on Thursday, 8 kilometers (5 miles) from Little Sitkin Island in Alaska. The temblor was reported at 08:36:25 / 8:36 am (local time epicenter) at a depth of 111.56 km (69 miles). Global time of event 2014-12-25 06:36:25 UTC/GMT. A tsunami warning has not been issued, according to the U.S. Geological Survey. Exact location of event, longitude 178.3899 East, latitude 51.9094 North, depth 111.56 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 this quake, recorded in: 8 km WSW of Little Sitkin Island, Alaska.



More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude 178.3899° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.9094° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 111.56 km Depth of the event in kilometers.
Place 8km WSW of Little Sitkin Island, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2014-12-25 18:36:25 Time when the event occurred. UTC/GMT
Updated 2014-12-31 00:31:13 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 284 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 akus 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 0.778 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.63 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 87 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 usc000ta0u Id of event.
Event Code c000ta0u An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ak11473405usc000ta0u A comma-separated list of event ids that are associated to an event.

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