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Minor earthquake, 3.1 mag has occurred near Knik-Fairview in Alaska

Earthquake location 61.5249S, -149.7698WA minor earthquake with magnitude 3.1 (ml/mb) was reported 9 kilometers (6 miles) from Knik-Fairview in Alaska on Thursday. The earthquake was roughly at a depth of 29.1 km (18 miles). The temblor was picked up at 21:40:05 / 9:40 pm (local time epicenter). Unique identifier: ak02052f851. Ids that are associated to the event: ak02052f851. Exact location of event, longitude -149.7698 West, latitude 61.5249 North, depth = 29.1 km. Global time and date of event 03/01/20 / 2020-01-03 06:40:05 / January 3, 2020 @ 6:40 am UTC/GMT.

Nearest cities/city/villages to epicentrum/hypocenter was Palmer, Anchorage, Elmendorf Air Force Base (min 5000 pop). Epicenter of the earthquake was 35 km (22 miles) from Anchorage (c. 291 800 pop), 25 km (16 miles) from Eagle River (c. 24 800 pop), 9 km (6 miles) from Knik-Fairview (c. 14 900 pop), 26 km (16 miles) from Lakes (c. 8 400 pop), 21 km (13 miles) from Tanaina (c. 8 200 pop). Country/countries that might be effected, United States (c. 310 233 000 pop).

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

Did you feel it?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home 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: 9 km W of Knik-Fairview, Alaska.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -149.7698° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 61.5249° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 29.1 km Depth of the event in kilometers.
Place 9km W of Knik-Fairview, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-01-03 06:40:05 Time when the event occurred. UTC/GMT
Updated 2020-01-03 06:50:28 Time when the event was most recently updated. UTC/GMT
Timezone offset -540 Timezone offset from UTC in minutes at the event epicenter.
Felt 4 The total number of felt reports
CDI 3 The maximum reported intensity for the event.
MMI 2.761 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 149 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 0.59 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 ak02052f851 Id of event.
Event Code 02052f851 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak02052f851, A comma-separated list of event ids that are associated to an event.

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