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Light earthquake 4.6 mag, 5 km S of Big Lake, Alaska

Posted by admin on November 7, 2020 0 Comments

Earthquake location 61.4683S, -149.9695WA light earthquake with magnitude 4.6 (ml/mb) was detected on Saturday, 5 kilometers (3 miles) from Big Lake in Alaska. Exact location, longitude -149.9695° West, latitude 61.4683° North, depth = 35 km. The 4.6-magnitude earthquake was detected at 15:03:53 / 3:03 pm (local time epicenter). Date and time of earthquake in UTC/GMT: 07/11/20 / 2020-11-07 15:03:53 / November 7, 2020 @ 3:03 pm. The epicenter of the earthquake was roughly 35 km (22 miles) below the earth’s surface. A tsunami warning has been issued near Big Lake in Alaska (Does not indicate if a tsunami actually did or will exist). Unique identifier: ak020ec8mjgc. Ids that are associated to the event: ak020ec8mjgc, at00qjfluh.

Close country/countries that might be effected, United States (c. 310 233 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was Palmer, Gateway, Lakes (min 5000 pop). The epicenter was 28 km (17 miles) from Anchorage (c. 291 800 pop), 27 km (17 miles) from Eagle River (c. 24 800 pop), 20 km (13 miles) from Knik-Fairview (c. 14 900 pop), 38 km (24 miles) from Lakes (c. 8 400 pop), 34 km (21 miles) from Tanaina (c. 8 200 pop), 31 km (19 miles) from Wasilla (c. 7 800 pop), 26 km (16 miles) from Meadow Lakes (c. 7 600 pop).

There are an estimated 13,000 light quakes in the world each year. In the past 24 hours, there have been three, in the last 10 days three, in the past 30 days nine and in the last 365 days eighty-six earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel it?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 5 km S of Big Lake, Alaska.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude -149.9695° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 61.4683° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 35 km Depth of the event in kilometers.
Place 5 km S 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 2020-11-07 15:03:53 Time when the event occurred. UTC/GMT
Updated 2020-11-07 15:09:21 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt 7 The total number of felt reports
CDI 3 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 1 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 328 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,at, 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 0.75 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 ak020ec8mjgc Id of event.
Event Code 020ec8mjgc An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak020ec8mjgc,at00qjfluh, A comma-separated list of event ids that are associated to an event.

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