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Moderate earthquake, 5 mag has occurred near Big Lake in Alaska

Posted by admin on December 9, 2018 0 Comments

Earthquake location 61.4236S, -149.9031WA moderate earthquake with magnitude 5 (ml/mb) was detected on Sunday, 11 kilometers (7 miles) from Big Lake in Alaska. The temblor was reported at 10:00:31 / 10:00 am (local time epicenter). Exact location of earthquake, -149.9031° West, 61.4236° North, depth 21.2 km. The epicenter of the earthquake was roughly 21.2 km (13 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). Id of earthquake: ak20477170. Event ids that are associated: ak20477170, at00pjhgsv. Global time and date of event 09/12/18 / 2018-12-09 19:00:31 / December 9, 2018 @ 7:00 pm UTC/GMT.

Close country/countries that might be effected, United States (c. 310 233 000 pop). Earthquake epicenter was 23 km (14 miles) from Anchorage (c. 291 800 pop), 21 km (13 miles) from Eagle River (c. 24 800 pop), 19 km (12 miles) from Knik-Fairview (c. 14 900 pop), 38 km (23 miles) from Lakes (c. 8 400 pop), 34 km (21 miles) from Tanaina (c. 8 200 pop), 30 km (19 miles) from Wasilla (c. 7 800 pop), 28 km (17 miles) from Meadow Lakes (c. 7 600 pop). Nearest cities/city/villages to epicentrum/hypocenter was Palmer, Gateway, Lakes (min 5000 pop).

There are an estimated 1320 moderate quakes in the world each year. In the past 24 hours, there have been nine, in the last 10 days three hundred and sixty-seven, in the past 30 days three hundred and sixty-nine and in the last 365 days four hundred and twenty-five earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures.

Did you feel the quake?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 11 km SSE of Big Lake, Alaska.

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More information

Parameter Value Description
Magnitude 5 mb The magnitude for the event.
Longitude -149.9031° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 61.4236° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 21.2 km Depth of the event in kilometers.
Place 11km SSE 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 2018-12-09 19:00:31 Time when the event occurred. UTC/GMT
Updated 2018-12-09 19:07:20 Time when the event was most recently updated. UTC/GMT
Timezone offset -540 Timezone offset from UTC in minutes at the event epicenter.
Felt 13 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 390 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 0.61 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 ak20477170 Id of event.
Event Code 20477170 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak20477170,at00pjhgsv, A comma-separated list of event ids that are associated to an event.

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