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Minor earthquake, 3.1 mag strikes near Big Lake in Alaska

Posted by admin on December 4, 2018 0 Comments

Earthquake location 61.4253S, -150.0272WA minor earthquake magnitude 3.1 (ml/mb) has struck on Tuesday, 11 kilometers (7 miles) from Big Lake in Alaska. Global time and date of event 04/12/18 / 2018-12-04 12:20:23 / December 4, 2018 @ 12:20 pm UTC/GMT. Exact location of event, depth 22 km, -150.0272° West, 61.4253° North. Event ids that are associated to the earthquake: ak20442083. Id of event: ak20442083. The 3.1-magnitude earthquake has occurred at 03:20:23 / 3:20 am (local time epicenter). The earthquake occurred at a depth of 22 km (14 miles).

Closest city/cities/towns to epicentrum/hypocenter was Palmer, Gateway, Lakes (min 5000 pop). The epicenter was 24 km (15 miles) from Anchorage (c. 291 800 pop), 27 km (17 miles) from Eagle River (c. 24 800 pop), 25 km (15 miles) from Knik-Fairview (c. 14 900 pop), 43 km (27 miles) from Lakes (c. 8 400 pop), 39 km (24 miles) from Tanaina (c. 8 200 pop). Nearby country/countries, United States (c. 310 233 000 pop) (That might be effected).

Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage. In the past 24 hours, there have been thirteen, in the last 10 days two hundred and five, in the past 30 days two hundred and seven and in the last 365 days two hundred and sixty-four earthquakes of magnitude 3.0 or greater that has struck near. There are an estimated 130,000 minor quakes 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. 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: 11 km SSW of Big Lake, Alaska.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -150.0272° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 61.4253° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 22 km Depth of the event in kilometers.
Place 11km 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 2018-12-04 12:20:23 Time when the event occurred. UTC/GMT
Updated 2018-12-04 12:25:41 Time when the event was most recently updated. UTC/GMT
Timezone offset -540 Timezone offset from UTC in minutes at the event epicenter.
Felt 2 The total number of felt reports
CDI 2 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 148 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 0.9 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 ak20442083 Id of event.
Event Code 20442083 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak20442083, A comma-separated list of event ids that are associated to an event.

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