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Light World Earthquakes Magnitude 4-4.9

Earthquake: M 4.5 quake strikes near Little Sitkin Island in Alaska

Posted by admin on January 8, 2015 1 Comment

Earthquake location 51.9977S, 178.2033WA light earthquake magnitude 4.5 (mg/mb) was reported Wednesday, 21 kilometers (13 miles) from Little Sitkin Island in Alaska. The temblor was reported at 05:21:24 / 5:21 pm (local time epicenter) at a depth of 124.55 km (77 miles). Global time of event 2015-01-08 03:21:24 UTC/GMT. A tsunami warning has not been issued, according to the U.S. Geological Survey. Exact location of event, longitude 178.2033 East, latitude 51.9977 North, depth 124.55 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: 21 km WNW of Little Sitkin Island, Alaska.


More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 178.2033° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.9977° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 124.55 km Depth of the event in kilometers.
Place 21km WNW 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 2015-01-08 03:21:24 Time when the event occurred. UTC/GMT
Updated 2015-01-08 03:33:09 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 312 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 0.923 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.64 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 156 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 usc000td1e Id of event.
Event Code c000td1e An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS usc000td1e A comma-separated list of event ids that are associated to an event.

1 Comment

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  1. Shawn

    alaska and tofino this evening…whoa…krazy!!!

    January 8, 2015
    Reply

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