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Minor earthquake: M2.8 quake has struck near Unalaska in Alaska

Earthquake location 53.5974S, -166.224WA minor earthquake with magnitude 2.8 (ml/mb) was detected on Tuesday, 37 km SE of Unalaska, Alaska (23 miles). Exact location, longitude -166.224° West, latitude 53.5974° North, depth = 64.96 km. Event id: us10003wa0. Ids that are associated to the earthquake: ak11768792, us10003wa0. The epicenter of the earthquake was roughly 64.96 km (40 miles) below the earth’s surface. Date and time of earthquake in UTC/GMT: 03/11/15 / 2015-11-03 16:19:04 / November 3, 2015 @ 4:19 pm. The 2.8-magnitude earthquake has occurred at 07:19:04 / 7:19 am (local time epicenter).

In the past 24 hours, there have been five, in the last 10 days seven, in the past 30 days nine and in the last 365 days seventy-eight earthquakes of magnitude 3.0 or greater that has struck near. There are an estimated 1,300,000 minor earthquakes in the world each year. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.

How would you describe the shaking?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 37 km SE of Unalaska, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -166.224° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 53.5974° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 64.96 km Depth of the event in kilometers.
Place 37km SE of Unalaska, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-11-03 16:19:04 Time when the event occurred. UTC/GMT
Updated 2015-12-02 16:04:04 Time when the event was most recently updated. UTC/GMT
Timezone offset -540 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 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 121 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 ,ak,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 0.299 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.26 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 189 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 us10003wa0 Id of event.
Event Code 10003wa0 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak11768792,us10003wa0, A comma-separated list of event ids that are associated to an event.

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