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Minor earthquake, 2.8 mag strikes near Yunaska Island in Alaska

Posted by admin on September 27, 2015 0 Comments

Earthquake location 52.3229S, -170.5717WA minor earthquake with magnitude 2.8 (ml/mb) was detected on Sunday, 35 km SSE of Yunaska Island, Alaska (22 miles). The temblor was reported at 15:13:21 / 3:13 pm (local time epicenter). The epicenter of the earthquake was roughly 91.2 km (57 miles) below the earth’s surface. Exact time and date of earthquake 21/09/15 / 2015-09-21 02:13:21 / September 21, 2015 @ 2:13 am UTC/GMT. Unique identifier: ak11724784. Ids that are associated to the event: ak11724784. Exact location of earthquake, longitude -170.5717 West, latitude 52.3229 North, depth = 91.2 km.

Each year there are an estimated 1,300,000 minor quakes in the world. In the past 24 hours, there have been 0, in the last 10 days nine, in the past 30 days thirty and in the last 365 days three hundred and thirty-one earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.

How would you describe the shaking?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 35 km SSE of Yunaska Island, 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 -170.5717° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.3229° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 91.2 km Depth of the event in kilometers.
Place 35km SSE of Yunaska 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 2015-09-21 02:13:21 Time when the event occurred. UTC/GMT
Updated 2015-09-27 11:42:09 Time when the event was most recently updated. UTC/GMT
Timezone offset -660 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 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 14 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 0.65 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 208.799983296 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 ak11724784 Id of event.
Event Code 11724784 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak11724784, A comma-separated list of event ids that are associated to an event.

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