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Minor earthquake, 3 mag has occurred near Nikolski in Alaska


Earthquake location 52.3279S, -169.5127WA minor earthquake magnitude 3 (ml/mb) has struck on Saturday, 80 km SSW of Nikolski, Alaska (50 miles). The 3-magnitude earthquake was detected at 00:46:40 / 12:46 am (local time epicenter). Exact location of earthquake, longitude -169.5127 West, latitude 52.3279 North, depth = 32.8 km. Global date and time of event UTC/GMT: 19/09/15 / 2015-09-19 11:46:40 / September 19, 2015 @ 11:46 am. Id of earthquake: ak11713977. Event ids that are associated: ak11713977. The earthquake occurred at a depth of 32.8 km (20 miles).

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

Did you feel it?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity 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: 80 km SSW of Nikolski, Alaska.

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More information

Parameter Value Description
Magnitude 3 mb The magnitude for the event.
Longitude -169.5127° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.3279° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 32.8 km Depth of the event in kilometers.
Place 80km SSW 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 2015-09-19 11:46:40 Time when the event occurred. UTC/GMT
Updated 2015-09-24 23:59:45 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 138 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 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 0.52 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 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 ak11713977 Id of event.
Event Code 11713977 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak11713977, A comma-separated list of event ids that are associated to an event.

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