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Minor earthquake, 2.8 mag has occurred near Adak in Alaska

Posted by admin on October 26, 2017 0 Comments

Earthquake location 52.0444S, -176.2205WA minor earthquake magnitude 2.8 (ml/mb) has struck on Friday, 35 km ENE of Adak, Alaska (22 miles). The 2.8-magnitude earthquake was detected at 02:58:10 / 2:58 am (local time epicenter). Event ids that are associated to the earthquake: ak16942645, us2000b16v. Id of event: us2000b16v. The epicenter of the earthquake was roughly 14.25 km (9 miles) below the earth’s surface. Exact location of event, longitude -176.2205 West, latitude 52.0444 North, depth = 14.25 km. Date and time of earthquake in UTC/GMT: 29/09/17 / 2017-09-29 12:58:10 / September 29, 2017 @ 12:58 pm.

In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days six and in the last 365 days one hundred and fifty-eight earthquakes of magnitude 3.0 or greater that was reported nearby. Each year there are an estimated 1,300,000 minor earthquakes in the world. 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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 35 km ENE of Adak, Alaska.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -176.2205° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.0444° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 14.25 km Depth of the event in kilometers.
Place 35km ENE of Adak, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-09-29 12:58:10 Time when the event occurred. UTC/GMT
Updated 2017-10-26 13:46:25 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 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 0.048 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.91 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 159 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 us2000b16v Id of event.
Event Code 2000b16v An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak16942645,us2000b16v, A comma-separated list of event ids that are associated to an event.

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