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Minor earthquake, 2.8 mag strikes near Willow in Alaska



Earthquake location 61.8689S, -150.7041WA minor earthquake with magnitude 2.8 (ml/mb) was reported 37 kilometers (23 miles) from Willow in Alaska on Thursday. The earthquake was roughly at a depth of 59.8 km (37 miles). The temblor was picked up at 12:18:36 / 12:18 pm (local time epicenter). Exact location of event, longitude -150.7041 West, latitude 61.8689 North, depth = 59.8 km. All ids that are associated to the event: ak16935459. Unique identifier: ak16935459. Exact time and date of earthquake 28/09/17 / 2017-09-28 21:18:36 / September 28, 2017 @ 9:18 pm UTC/GMT.

Nearest cities/city/towns to hypocenter/epicentrum was Wasilla, Tanaina, Knik-Fairview (min 5000 pop). Epicenter of the event was 70 km (44 miles) from Knik-Fairview (c. 14 900 pop), 72 km (45 miles) from Tanaina (c. 8 200 pop), 74 km (46 miles) from Wasilla (c. 7 800 pop), 64 km (40 miles) from Meadow Lakes (c. 7 600 pop). Close country/countries, United States (c. 310 233 000 pop) (That might be effected).

In the past 24 hours, there have been 0, in the last 10 days two, in the past 30 days three and in the last 365 days seventy-five earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. Every year there are an estimated 1,300,000 minor earthquakes in the world.

How would you describe the shaking?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 37 km WNW of Willow, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -150.7041° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 61.8689° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 59.8 km Depth of the event in kilometers.
Place 37km WNW 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 2017-09-28 21:18:36 Time when the event occurred. UTC/GMT
Updated 2017-09-28 21:23:08 Time when the event was most recently updated. UTC/GMT
Timezone offset -540 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 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 121 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 0.39 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 ak16935459 Id of event.
Event Code 16935459 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak16935459, A comma-separated list of event ids that are associated to an event.

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