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Minor earthquake: M2.9 quake has struck near Larsen Bay in Alaska



Earthquake location 57.5099S, -153.818WA minor earthquake with magnitude 2.9 (ml/mb) was detected on Thursday, 10 km ESE of Larsen Bay, Alaska (6 miles). The epicenter was at a depth of 20.3 km (13 miles). The 2.9-magnitude earthquake has occurred at 14:27:25 / 2:27 pm (local time epicenter). Global time and date of event 15/10/15 / 2015-10-15 22:27:25 / October 15, 2015 @ 10:27 pm UTC/GMT. Exact location of earthquake, -153.818° West, 57.5099° North, depth 20.3 km. Event ids that are associated to the earthquake: ak11740531. Id of event: ak11740531.

Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage. In the past 24 hours, there have been 0, in the last 10 days 0, in the past 30 days three and in the last 365 days fourty-one earthquakes of magnitude 3.0 or greater that have been detected in the same area. Each year there are an estimated 130,000 minor quakes in the world.

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 10 km ESE of Larsen Bay, Alaska.

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More information

Parameter Value Description
Magnitude 2.9 mb The magnitude for the event.
Longitude -153.818° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 57.5099° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 20.3 km Depth of the event in kilometers.
Place 10km ESE 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 2015-10-15 22:27:25 Time when the event occurred. UTC/GMT
Updated 2015-10-15 22:51:48 Time when the event was most recently updated. UTC/GMT
Timezone offset -480 Timezone offset from UTC in minutes at the event epicenter.
Felt 2 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 automatic Indicates whether the event has been reviewed by a human.
Tsunami 0 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 130 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network ak The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,ak, 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 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.96 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 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 ak11740531 Id of event.
Event Code 11740531 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak11740531, A comma-separated list of event ids that are associated to an event.

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