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Minor earthquake 3.1 mag, 35 km W of Nikolski, Alaska



Earthquake location 52.8765S, -169.3786WA minor earthquake magnitude 3.1 (ml/mb) strikes 35 km W of Nikolski, Alaska (22 miles) on Saturday. Global date and time of event UTC/GMT: 26/02/17 / 2017-02-26 00:28:15 / February 26, 2017 @ 12:28 am. Id of earthquake: us100087j5. Event ids that are associated: ak15394096, us100087j5. Exact location, longitude -169.3786° West, latitude 52.8765° North, depth = 16.08 km. The 3.1-magnitude earthquake was detected at 15:28:15 / 3:28 pm (local time epicenter). The earthquake was roughly at a depth of 16.08 km (10 miles).

Every year there are an estimated 130,000 minor earthquakes in the world. In the past 24 hours, there have been eleven, in the last 10 days thirteen, in the past 30 days fifteen and in the last 365 days one hundred and sixty earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage.

Did you feel it?

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: 35 km W of Nikolski, Alaska.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -169.3786° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.8765° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 16.08 km Depth of the event in kilometers.
Place 35km W of Nikolski, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-02-26 00:28:15 Time when the event occurred. UTC/GMT
Updated 2017-03-15 01:28:30 Time when the event was most recently updated. UTC/GMT
Timezone offset -540 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 148 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 0.317 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.01 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 187 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 us100087j5 Id of event.
Event Code 100087j5 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak15394096,us100087j5, A comma-separated list of event ids that are associated to an event.

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