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Minor earthquake, 3.2 mag has occurred near Big Lake in Alaska

Posted by admin on December 1, 2018 0 Comments

Earthquake location 61.4863S, -150.018WA minor earthquake magnitude 3.2 (ml/mb) has occurred on Saturday, 5 kilometers (3 miles) from Big Lake in Alaska. The epicenter of the earthquake was roughly 23 km (14 miles) below the earth’s surface. Global date and time of event UTC/GMT: 01/12/18 / 2018-12-01 20:39:21 / December 1, 2018 @ 8:39 pm. The 3.2-magnitude earthquake has occurred at 11:39:21 / 11:39 am (local time epicenter). Exact location of event, longitude -150.018 West, latitude 61.4863 North, depth = 23 km. Unique identifier: ak20425339. Ids that are associated to the event: ak20425339.

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Palmer, Gateway, Lakes. Epicenter of the event was 30 km (19 miles) from Anchorage (c. 291 800 pop), 30 km (19 miles) from Eagle River (c. 24 800 pop), 22 km (14 miles) from Knik-Fairview (c. 14 900 pop), 40 km (25 miles) from Lakes (c. 8 400 pop), 35 km (22 miles) from Tanaina (c. 8 200 pop). Close country/countries that might be effected, United States (c. 310 233 000 pop).

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

Did you feel anything?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 5 km SW of Big Lake, Alaska.

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More information

Parameter Value Description
Magnitude 3.2 mb The magnitude for the event.
Longitude -150.018° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 61.4863° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 23 km Depth of the event in kilometers.
Place 5km 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 2018-12-01 20:39:21 Time when the event occurred. UTC/GMT
Updated 2018-12-01 20:52:48 Time when the event was most recently updated. UTC/GMT
Timezone offset -540 Timezone offset from UTC in minutes at the event epicenter.
Felt 1 The total number of felt reports
CDI 2 The maximum reported intensity for the event.
MMI 2.94 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 158 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 0.92 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 ak20425339 Id of event.
Event Code 20425339 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak20425339, A comma-separated list of event ids that are associated to an event.

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