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Minor earthquake, 2.9 mag has occurred near Big Lake in Alaska

Posted by admin on December 2, 2018 0 Comments

Earthquake location 61.376S, -150.0862WA minor earthquake with magnitude 2.9 (ml/mb) was detected on Sunday, 17 kilometers (11 miles) from Big Lake in Alaska. Exact location of event, depth 19.7 km, -150.0862° West, 61.376° North. The epicenter of the earthquake was roughly 19.7 km (12 miles) below the earth’s surface. Date and time of earthquake in UTC/GMT: 02/12/18 / 2018-12-02 13:26:22 / December 2, 2018 @ 1:26 pm. The temblor was reported at 04:26:22 / 4:26 am (local time epicenter). All ids that are associated to the event: ak20430846. Unique identifier: ak20430846.

Country/countries that might be effected, United States (c. 310 233 000 pop). Epicenter of the event was 20 km (13 miles) from Anchorage (c. 291 800 pop), 28 km (18 miles) from Eagle River (c. 24 800 pop), 30 km (19 miles) from Knik-Fairview (c. 14 900 pop), 49 km (30 miles) from Lakes (c. 8 400 pop), 45 km (28 miles) from Tanaina (c. 8 200 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Palmer, Gateway, Lakes.

In the past 24 hours, there have been thirty, in the last 10 days one hundred and seventy-one, in the past 30 days one hundred and seventy-two and in the last 365 days two hundred and twenty-seven earthquakes of magnitude 3.0 or greater that have been detected nearby. Every year there are an estimated 130,000 minor earthquakes in the world. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage.

Did you feel it?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 17 km SSW of Big Lake, Alaska.

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More information

Parameter Value Description
Magnitude 2.9 mb The magnitude for the event.
Longitude -150.0862° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 61.376° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 19.7 km Depth of the event in kilometers.
Place 17km 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 2018-12-02 13:26:22 Time when the event occurred. UTC/GMT
Updated 2018-12-02 13:38:11 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 129 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 0.96 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 ak20430846 Id of event.
Event Code 20430846 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak20430846, A comma-separated list of event ids that are associated to an event.

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