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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.4 mag strikes near Big Lake in Alaska


Earthquake location 61.5166S, -149.9175WA light earthquake with magnitude 4.4 (ml/mb) was detected on Saturday, 2 kilometers (1 miles) from Big Lake in Alaska. The earthquake occurred at a depth of 43.7 km (27 miles) below the earth’s surface. All ids that are associated to the event: ak020ec8mji8. Unique identifier: ak020ec8mji8. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location, longitude -149.9175° West, latitude 61.5166° North, depth = 43.7 km. Date and time of earthquake in UTC/GMT: 07/11/20 / 2020-11-07 15:03:54 / November 7, 2020 @ 3:03 pm. The temblor was picked up at 15:03:54 / 3:03 pm (local time epicenter).

Nearby country/countries that might be effected, United States (c. 310 233 000 pop). Event epicenter was 33 km (21 miles) from Anchorage (c. 291 800 pop), 29 km (18 miles) from Eagle River (c. 24 800 pop), 17 km (10 miles) from Knik-Fairview (c. 14 900 pop), 34 km (21 miles) from Lakes (c. 8 400 pop), 29 km (18 miles) from Tanaina (c. 8 200 pop), 26 km (16 miles) from Wasilla (c. 7 800 pop). Nearest cities/city/towns to hypocenter/epicentrum was Palmer, Gateway, Lakes (min 5000 pop).

In the past 24 hours, there have been fifteen, in the last 10 days fifteen, in the past 30 days twenty-one and in the last 365 days one hundred earthquakes of magnitude 3.0 or greater that have been detected in the same area. There are an estimated 13,000 light quakes in the world each year. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

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. 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: 2 km ESE of Big Lake, Alaska.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude -149.9175° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 61.5166° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 43.7 km Depth of the event in kilometers.
Place 2 km ESE 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 15:03:54 Time when the event occurred. UTC/GMT
Updated 2020-12-02 17:42:53 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 reviewed 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 298 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 0.83 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 ak020ec8mji8 Id of event.
Event Code 020ec8mji8 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak020ec8mji8, A comma-separated list of event ids that are associated to an event.

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