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Minor earthquake 3 mag, 113 km SSW of Atka, Alaska

Earthquake location 51.3372S, -175.0794WA minor earthquake magnitude 3 (ml/mb) has occurred on Wednesday, 113 km SSW of Atka, Alaska (70 miles). The temblor was picked up at 01:56:22 / 1:56 am (local time epicenter). Event id: us1000c2r5. Ids that are associated to the earthquake: ak17699649, us1000c2r5. Global date and time of event UTC/GMT: 27/12/17 / 2017-12-27 13:56:22 / December 27, 2017 @ 1:56 pm. Exact location, longitude -175.0794° West, latitude 51.3372° North, depth = 12.95 km. The earthquake was roughly at a depth of 12.95 km (8 miles).

Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage. In the past 24 hours, there have been nine, in the last 10 days fifteen, in the past 30 days twenty-seven and in the last 365 days one hundred and fourty-six earthquakes of magnitude 3.0 or greater that was reported nearby. There are an estimated 130,000 minor quakes in the world each year.

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. 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: 113 km SSW of Atka, Alaska.

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More information

Parameter Value Description
Magnitude 3 mb The magnitude for the event.
Longitude -175.0794° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.3372° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 12.95 km Depth of the event in kilometers.
Place 113km SSW of Atka, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-12-27 13:56:22 Time when the event occurred. UTC/GMT
Updated 2018-01-21 07:27:54 Time when the event was most recently updated. UTC/GMT
Timezone offset -720 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 138 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 0.932 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.46 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 251 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 us1000c2r5 Id of event.
Event Code 1000c2r5 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak17699649,us1000c2r5, A comma-separated list of event ids that are associated to an event.

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