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Minor earthquake, 2.9 mag has occurred near Southern Alaska

Posted by admin on December 6, 2018 0 Comments

Earthquake location 61.4877S, -149.9532WA minor earthquake with magnitude 2.9 (ml/mb) was detected on Thursday, Southern Alaska kilometers (0 miles) from Southern Alaska. Event id: ak20450049. Ids that are associated to the earthquake: ak20450049. The epicenter of the earthquake was roughly 34.4 km (21 miles) below the earth’s surface. Global time and date of event 06/12/18 / 2018-12-06 10:36:15 / December 6, 2018 @ 10:36 am UTC/GMT. Exact location of earthquake, longitude -149.9532 West, latitude 61.4877 North, depth = 34.4 km. The 2.9-magnitude earthquake has occurred at 10:36:15 / 10:36 am (local time epicenter).

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Palmer, Gateway, Lakes. Epicenter of the event was 30 km (19 miles) from Anchorage (c. 291 800 pop), 28 km (17 miles) from Eagle River (c. 24 800 pop), 19 km (12 miles) from Knik-Fairview (c. 14 900 pop), 37 km (23 miles) from Lakes (c. 8 400 pop), 32 km (20 miles) from Tanaina (c. 8 200 pop). Country/countries that might be effected, United States (c. 310 233 000 pop).

In the past 24 hours, there have been ten, in the last 10 days two hundred and thirty-three, in the past 30 days two hundred and thirty-five and in the last 365 days two hundred and ninety-five earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage. Each year there are an estimated 130,000 minor earthquakes in the world.

Questions or comments?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking 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: Southern Alaska.

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More information

Parameter Value Description
Magnitude 2.9 mb The magnitude for the event.
Longitude -149.9532° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 61.4877° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 34.4 km Depth of the event in kilometers.
Place Southern Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-12-06 10:36:15 Time when the event occurred. UTC/GMT
Updated 2018-12-06 10:39:55 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 0.61 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 ak20450049 Id of event.
Event Code 20450049 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak20450049, A comma-separated list of event ids that are associated to an event.

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