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Light World Earthquakes Magnitude 4-4.9, Tsunami warning alerts

Earthquake: M 4 quake strikes near Larsen Bay in Alaska

Posted by admin on January 5, 2015 0 Comments

Earthquake location 56.921S, -154.993WA light earthquake magnitude 4 (mg/mb) has occurred on Sunday, 92 kilometers (57 miles) from Larsen Bay in Alaska. The temblor was reported at 11:23:19 / 11:23 pm (local time epicenter) at a depth of 9 km (6 miles). Global time of event 2015-01-05 09:23:19 UTC/GMT. A tsunami warning has been issued near Larsen Bay in Alaska, according to the U.S. Geological Survey. Exact location of event, longitude -154.993 West, latitude 56.921 North, depth 9 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: 92 km SW of Larsen Bay, Alaska.


More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -154.993° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 56.921° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 9 km Depth of the event in kilometers.
Place 92km SW of Larsen Bay, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-01-05 09:23:19 Time when the event occurred. UTC/GMT
Updated 2015-01-05 09:26:51 Time when the event was most recently updated. UTC/GMT
Timezone offset -600 Timezone offset from UTC in minutes at the event epicenter.
Felt The total number of felt reports
CDI 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 246 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 22 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.97736703 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.81 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 172.8 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 at00nhp62v Id of event.
Event Code 00nhp62v An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS at00nhp62v A comma-separated list of event ids that are associated to an event.

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