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Minor earthquake, 3 mag strikes near Big Lake in Alaska

Posted by admin on December 11, 2018 0 Comments

Earthquake location 61.3676S, -150.0869WA minor earthquake with magnitude 3 (ml/mb) was reported 18 kilometers (11 miles) from Big Lake in Alaska on Monday. Id of earthquake: ak20493851. Event ids that are associated: ak20493851. Exact location of earthquake, -150.0869° West, 61.3676° North, depth 36.3 km. The earthquake occurred at a depth of 36.3 km (23 miles). The temblor was picked up at 19:57:15 / 7:57 pm (local time epicenter). Exact time and date of earthquake 11/12/18 / 2018-12-11 04:57:15 / December 11, 2018 @ 4:57 am UTC/GMT.

Epicenter of the event was 19 km (12 miles) from Anchorage (c. 291 800 pop), 28 km (17 miles) from Eagle River (c. 24 800 pop), 30 km (19 miles) from Knik-Fairview (c. 14 900 pop), 49 km (31 miles) from Lakes (c. 8 400 pop), 45 km (28 miles) from Tanaina (c. 8 200 pop). Nearby country/countries, United States (c. 310 233 000 pop) (That might be effected). Nearest cities/city/towns to hypocenter/epicentrum was Palmer, Gateway, Lakes (min 5000 pop).

In the past 24 hours, there have been four, in the last 10 days one hundred and sixty, in the past 30 days three hundred and seventy-four and in the last 365 days four hundred and twenty-four earthquakes of magnitude 3.0 or greater that was reported nearby. There are an estimated 130,000 minor earthquakes in the world each year. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage.

Questions or comments?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 18 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 -150.0869° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 61.3676° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 36.3 km Depth of the event in kilometers.
Place 18km 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 2018-12-11 04:57:15 Time when the event occurred. UTC/GMT
Updated 2018-12-11 05:10:28 Time when the event was most recently updated. UTC/GMT
Timezone offset -540 Timezone offset from UTC in minutes at the event epicenter.
Felt 3 The total number of felt reports
CDI 2 The maximum reported intensity for the event.
MMI 1 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 139 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 0.89 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 ak20493851 Id of event.
Event Code 20493851 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak20493851, A comma-separated list of event ids that are associated to an event.

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