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Minor earthquake, 3 mag strikes near Big Lake in Alaska

Posted by admin on December 8, 2018 0 Comments

Earthquake location 61.4619S, -149.9811WA minor earthquake with magnitude 3 (ml/mb) was reported 6 kilometers (4 miles) from Big Lake in Alaska on Saturday. Global date and time of event UTC/GMT: 08/12/18 / 2018-12-08 22:40:47 / December 8, 2018 @ 10:40 pm. Event id: ak20470968. Ids that are associated to the earthquake: ak20470968. The 3-magnitude earthquake has occurred at 13:40:47 / 1:40 pm (local time epicenter). Exact location, longitude -149.9811° West, latitude 61.4619° North, depth = 33.7 km. The epicenter of the earthquake was roughly 33.7 km (21 miles) below the earth’s surface.

Close country/countries, United States (c. 310 233 000 pop) (That might be effected). Event epicenter was 27 km (17 miles) from Anchorage (c. 291 800 pop), 27 km (17 miles) from Eagle River (c. 24 800 pop), 21 km (13 miles) from Knik-Fairview (c. 14 900 pop), 39 km (24 miles) from Lakes (c. 8 400 pop), 35 km (21 miles) from Tanaina (c. 8 200 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Palmer, Gateway, Lakes.

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

Did you feel it?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 6 km SSW of Big Lake, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3 mb The magnitude for the event.
Longitude -149.9811° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 61.4619° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 33.7 km Depth of the event in kilometers.
Place 6km 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 2018-12-08 22:40:47 Time when the event occurred. UTC/GMT
Updated 2018-12-08 22:46:47 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 0.66 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 ak20470968 Id of event.
Event Code 20470968 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak20470968, A comma-separated list of event ids that are associated to an event.

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