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Minor earthquake, 3 mag has occurred near Big Lake in Alaska

Posted by admin on December 16, 2018 0 Comments

Earthquake location 61.4113S, -150.108WA minor earthquake with magnitude 3 (ml/mb) was detected on Saturday, 14 kilometers (9 miles) from Big Lake in Alaska. All ids that are associated to the event: ak20515251. Unique identifier: ak20515251. The epicenter of the earthquake was roughly 20 km (12 miles) below the earth’s surface. Exact location of earthquake, -150.108° West, 61.4113° North, depth 20 km. The 3-magnitude earthquake has occurred at 16:45:38 / 4:45 pm (local time epicenter). Global time and date of event 16/12/18 / 2018-12-16 01:45:38 / December 16, 2018 @ 1:45 am UTC/GMT.

Nearby country/countries, United States (c. 310 233 000 pop) (That might be effected). Event epicenter was 24 km (15 miles) from Anchorage (c. 291 800 pop), 30 km (19 miles) from Eagle River (c. 24 800 pop), 29 km (18 miles) from Knik-Fairview (c. 14 900 pop), 48 km (30 miles) from Lakes (c. 8 400 pop), 43 km (27 miles) from Tanaina (c. 8 200 pop). Nearest cities/city/villages to epicentrum/hypocenter was Palmer, Gateway, Lakes (min 5000 pop).

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

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. 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 SW of Big Lake, Alaska.

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More information

Parameter Value Description
Magnitude 3 mb The magnitude for the event.
Longitude -150.108° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 61.4113° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 20 km Depth of the event in kilometers.
Place 14km SW 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 2018-12-16 01:45:38 Time when the event occurred. UTC/GMT
Updated 2018-12-16 01:54:27 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 1.1 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 ak20515251 Id of event.
Event Code 20515251 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak20515251, A comma-separated list of event ids that are associated to an event.

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