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Light earthquake: M4.9 quake has struck near Big Lake in Alaska

Posted by admin on November 7, 2020 0 Comments

Earthquake location 61.4758S, -149.9486WA light earthquake magnitude 4.9 (ml/mb) has struck on Saturday, 5 kilometers (3 miles) from Big Lake in Alaska. Event ids that are associated to the earthquake: ak020ec6yfo7, at00qjfeen. Id of event: ak020ec6yfo7. The temblor was reported at 12:23:10 / 12:23 pm (local time epicenter). Exact location, longitude -149.9486° West, latitude 61.4758° North, depth = 24.6 km. A tsunami warning has been issued near Big Lake in Alaska (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 24.6 km (15 miles) below the earth’s surface. Global date and time of event UTC/GMT: 07/11/20 / 2020-11-07 12:23:10 / November 7, 2020 @ 12:23 pm.

Country/countries that might be effected, United States (c. 310 233 000 pop). Epicenter of the event was 29 km (18 miles) from Anchorage (c. 291 800 pop), 27 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), 29 km (18 miles) from Wasilla (c. 7 800 pop), 25 km (15 miles) from Meadow Lakes (c. 7 600 pop). Nearest cities/city/towns to hypocenter/epicentrum was Palmer, Gateway, Lakes (min 5000 pop).

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

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: 5 km S of Big Lake, Alaska.

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More information

Parameter Value Description
Magnitude 4.9 mb The magnitude for the event.
Longitude -149.9486° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 61.4758° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 24.6 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 12:23:10 Time when the event occurred. UTC/GMT
Updated 2020-11-07 12:28:50 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt 11 The total number of felt reports
CDI 4.3 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 374 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 0.79 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 ak020ec6yfo7 Id of event.
Event Code 020ec6yfo7 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak020ec6yfo7,at00qjfeen, A comma-separated list of event ids that are associated to an event.

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