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Minor earthquake, 3 mag strikes near North Nenana in Alaska


Earthquake location 64.2914S, -150.0827WA minor earthquake magnitude 3 (ml/mb) strikes 56 km SW of North Nenana, Alaska (35 miles) on Saturday. Unique identifier: ak16083216. Ids that are associated to the event: ak16083216. The temblor was reported at 09:25:59 / 9:25 am (local time epicenter). Global date and time of event UTC/GMT: 20/05/17 / 2017-05-20 18:25:59 / May 20, 2017 @ 6:25 pm. The earthquake occurred at a depth of 22 km (14 miles) below the earth’s surface. Exact location, longitude -150.0827° West, latitude 64.2914° North, depth = 22 km.

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

Questions or comments?

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: 56 km SW of North Nenana, Alaska.

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More information

Parameter Value Description
Magnitude 3 mb The magnitude for the event.
Longitude -150.0827° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 64.2914° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 22 km Depth of the event in kilometers.
Place 56km SW of North Nenana, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-05-20 18:25:59 Time when the event occurred. UTC/GMT
Updated 2017-05-20 18:31:46 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 automatic 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 0.81 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 ak16083216 Id of event.
Event Code 16083216 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak16083216, A comma-separated list of event ids that are associated to an event.

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