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Minor earthquake, 2.8 mag was detected near Adak in Alaska

Posted by admin on December 26, 2017 0 Comments

Earthquake location 51.6083S, -176.7944WA minor earthquake with magnitude 2.8 (ml/mb) was reported 31 km SSW of Adak, Alaska (19 miles) on Tuesday. Event ids that are associated to the earthquake: ak17596355, us2000c52e. Id of event: us2000c52e. The earthquake was roughly at a depth of 32.84 km (20 miles). Exact time and date of earthquake 12/12/17 / 2017-12-12 22:09:13 / December 12, 2017 @ 10:09 pm UTC/GMT. Exact location of event, longitude -176.7944 West, latitude 51.6083 North, depth = 32.84 km. The 2.8-magnitude earthquake was detected at 12:09:13 / 12:09 pm (local time epicenter).

Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. There are an estimated 1,300,000 minor quakes in the world each year. In the past 24 hours, there have been one, in the last 10 days seven, in the past 30 days twenty and in the last 365 days four hundred and thirteen earthquakes of magnitude 3.0 or greater that have been detected nearby.

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: 31 km SSW of Adak, Alaska.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -176.7944° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.6083° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 32.84 km Depth of the event in kilometers.
Place 31km SSW 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 2017-12-12 22:09:13 Time when the event occurred. UTC/GMT
Updated 2017-12-26 01:29:20 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 0.282 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.39 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 197 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 us2000c52e Id of event.
Event Code 2000c52e An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak17596355,us2000c52e, A comma-separated list of event ids that are associated to an event.

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