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Light earthquake, 4.5 mag was detected near Willow in Alaska

Posted by admin on February 28, 2016 0 Comments

Earthquake location 61.7809S, -150.6612WA light earthquake magnitude 4.5 (ml/mb) has struck on Sunday, 33 kilometers (21 miles) from Willow in Alaska. The epicenter of the earthquake was roughly 61.23 km (38 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global date and time of event UTC/GMT: 28/02/16 / 2016-02-28 13:48:50 / February 28, 2016 @ 1:48 pm. All ids that are associated to the event: us10004td2, ak12906907. Unique identifier: us10004td2. Exact location of event, longitude -150.6612 West, latitude 61.7809 North, depth = 61.23 km. The temblor was picked up at 04:48:50 / 4:48 am (local time epicenter).

The epicenter was 74 km (46 miles) from Anchorage (c. 291 800 pop), 77 km (48 miles) from Eagle River (c. 24 800 pop), 63 km (39 miles) from Knik-Fairview (c. 14 900 pop), 74 km (46 miles) from Lakes (c. 8 400 pop), 67 km (42 miles) from Tanaina (c. 8 200 pop), 68 km (42 miles) from Wasilla (c. 7 800 pop), 59 km (36 miles) from Meadow Lakes (c. 7 600 pop). Closest city/cities/towns to epicentrum/hypocenter was Palmer, Elmendorf Air Force Base, Gateway (min 5000 pop). Country/countries that might be effected, United States (c. 310 233 000 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. There are an estimated 13,000 light earthquakes in the world each year. In the past 24 hours, there have been one, in the last 10 days three, in the past 30 days nine and in the last 365 days sixty-eight earthquakes of magnitude 3.0 or greater that was reported nearby.

Did you feel anything?

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: 33 km W of Willow, Alaska.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -150.6612° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 61.7809° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 61.23 km Depth of the event in kilometers.
Place 33km W of Willow, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-02-28 13:48:50 Time when the event occurred. UTC/GMT
Updated 2016-02-28 14:07:56 Time when the event was most recently updated. UTC/GMT
Timezone offset -540 Timezone offset from UTC in minutes at the event epicenter.
Felt 12 The total number of felt reports
CDI 3.4 The maximum reported intensity for the event.
MMI 2.44 The maximum estimated instrumental intensity for the event.
Alert Level green 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 316 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network us The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,us,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 0.258 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.42 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 27 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 us10004td2 Id of event.
Event Code 10004td2 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10004td2,ak12906907, A comma-separated list of event ids that are associated to an event.

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