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Minor earthquake, 3 mag has occurred near Knik-Fairview in Alaska

Posted by admin on October 12, 2018 0 Comments

Earthquake location 61.408S, -149.4553WA minor earthquake magnitude 3 (ml/mb) strikes 13 kilometers (8 miles) from Knik-Fairview in Alaska on Friday. The earthquake occurred at a depth of 31.1 km (19 miles). Exact location of earthquake, longitude -149.4553 West, latitude 61.408 North, depth = 31.1 km. The temblor was detected at 08:16:13 / 8:16 am (local time epicenter). Global date and time of event UTC/GMT: 12/10/18 / 2018-10-12 17:16:13 / October 12, 2018 @ 5:16 pm. Unique identifier: ak20279331. Ids that are associated to the event: ak20279331.

Event epicenter was 32 km (20 miles) from Anchorage (c. 291 800 pop), 11 km (7 miles) from Eagle River (c. 24 800 pop), 14 km (9 miles) from Knik-Fairview (c. 14 900 pop), 23 km (15 miles) from Lakes (c. 8 400 pop), 24 km (15 miles) from Tanaina (c. 8 200 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Anchorage, Palmer, Meadow Lakes. Country/countries that might be effected, United States (c. 310 233 000 pop).

In the past 24 hours, there have been one, in the last 10 days three, in the past 30 days eleven and in the last 365 days 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. Each year there are an estimated 130,000 minor quakes in the world.

Did you feel the quake?

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: 13 km SSE of Knik-Fairview, Alaska.

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More information

Parameter Value Description
Magnitude 3 mb The magnitude for the event.
Longitude -149.4553° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 61.408° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 31.1 km Depth of the event in kilometers.
Place 13km SSE 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 2018-10-12 17:16:13 Time when the event occurred. UTC/GMT
Updated 2018-10-12 17:22:34 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 0.56 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 ak20279331 Id of event.
Event Code 20279331 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak20279331, A comma-separated list of event ids that are associated to an event.

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