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Minor earthquake, 2.8 mag was detected near Big Lake in Alaska

Posted by admin on December 1, 2018 0 Comments

Earthquake location 61.4031S, -150.0492WA minor earthquake magnitude 2.8 (ml/mb) has occurred on Saturday, 14 kilometers (9 miles) from Big Lake in Alaska. The temblor was picked up at 01:23:54 / 1:23 am (local time epicenter). Event id: ak20422458. Ids that are associated to the earthquake: ak20422458. Exact time and date of event in UTC/GMT: 01/12/18 / 2018-12-01 10:23:54 / December 1, 2018 @ 10:23 am. Exact location, longitude -150.0492° West, latitude 61.4031° North, depth = 33.7 km. The earthquake was roughly at a depth of 33.7 km (21 miles).

Epicenter of the earthquake was 22 km (14 miles) from Anchorage (c. 291 800 pop), 27 km (17 miles) from Eagle River (c. 24 800 pop), 27 km (17 miles) from Knik-Fairview (c. 14 900 pop), 45 km (28 miles) from Lakes (c. 8 400 pop), 41 km (26 miles) from Tanaina (c. 8 200 pop). Nearby country/countries that might be effected, United States (c. 310 233 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was Palmer, Gateway, Lakes (min 5000 pop).

In the past 24 hours, there have been one hundred and fifty-one, in the last 10 days one hundred and fifty-three, in the past 30 days one hundred and fifty-four and in the last 365 days two hundred and eleven earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. There are an estimated 1,300,000 minor quakes in the world each year.

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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 14 km SSW of Big Lake, Alaska.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -150.0492° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 61.4031° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 33.7 km Depth of the event in kilometers.
Place 14km SSW of Big Lake, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-12-01 10:23:54 Time when the event occurred. UTC/GMT
Updated 2018-12-01 10:34:53 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 121 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 0.71 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 ak20422458 Id of event.
Event Code 20422458 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak20422458, A comma-separated list of event ids that are associated to an event.

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