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Minor earthquake, 2.9 mag has occurred near Big Lake in Alaska

Posted by admin on January 31, 2019 0 Comments

Earthquake location 61.4504S, -149.9763WA minor earthquake magnitude 2.9 (ml/mb) has struck on Wednesday, 7 kilometers (4 miles) from Big Lake in Alaska. The temblor was picked up at 19:44:11 / 7:44 pm (local time epicenter). Event ids that are associated to the earthquake: ak0191fcay4q. Id of event: ak0191fcay4q. Exact location of earthquake, -149.9763° West, 61.4504° North, depth 20 km. The earthquake occurred at a depth of 20 km (12 miles) below the earth’s surface. Exact time and date of event in UTC/GMT: 31/01/19 / 2019-01-31 04:44:11 / January 31, 2019 @ 4:44 am.

Closest city/cities/towns to epicentrum/hypocenter was Palmer, Gateway, Lakes (min 5000 pop). Earthquake epicenter was 26 km (16 miles) from Anchorage (c. 291 800 pop), 26 km (16 miles) from Eagle River (c. 24 800 pop), 21 km (13 miles) from Knik-Fairview (c. 14 900 pop), 39 km (25 miles) from Lakes (c. 8 400 pop), 35 km (22 miles) from Tanaina (c. 8 200 pop). Close country/countries that might be effected, United States (c. 310 233 000 pop).

Every year there are an estimated 130,000 minor earthquakes in the world. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days eight, in the past 30 days twenty-eight and in the last 365 days five hundred and eleven earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Did you feel the quake?

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: 7 km S of Big Lake, Alaska.

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More information

Parameter Value Description
Magnitude 2.9 mb The magnitude for the event.
Longitude -149.9763° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 61.4504° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 20 km Depth of the event in kilometers.
Place 7km 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 2019-01-31 04:44:11 Time when the event occurred. UTC/GMT
Updated 2019-01-31 04:52:19 Time when the event was most recently updated. UTC/GMT
Timezone offset -540 Timezone offset from UTC in minutes at the event epicenter.
Felt 4 The total number of felt reports
CDI 2.7 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 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 130 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 0.72 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 ak0191fcay4q Id of event.
Event Code 0191fcay4q An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak0191fcay4q, A comma-separated list of event ids that are associated to an event.

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