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Moderate earthquake, 5.1 mag was detected near Willow in Alaska

Earthquake location 61.7161S, -150.8616WA moderate earthquake with magnitude 5.1 (ml/mb) was reported 43 kilometers (27 miles) from Willow in Alaska on Monday. Exact location, longitude -150.8616° West, latitude 61.7161° North, depth = 55.5 km. Exact time and date of event in UTC/GMT: 17/09/19 / 2019-09-17 01:09:55 / September 17, 2019 @ 1:09 am. A tsunami warning has been issued near Willow in Alaska (Does not indicate if a tsunami actually did or will exist). Event ids that are associated to the earthquake: at00pxyb8j, ak019by0dpof. Id of event: ak019by0dpof. The temblor was picked up at 16:09:55 / 4:09 pm (local time epicenter). The earthquake occurred at a depth of 55.5 km (34 miles) below the earth’s surface.

Close country/countries that might be effected, United States (c. 310 233 000 pop). Closest city/cities/towns to epicentrum/hypocenter was Palmer, Gateway, Elmendorf Air Force Base (min 5000 pop). The epicenter was 75 km (47 miles) from Anchorage (c. 291 800 pop), 81 km (51 miles) from Eagle River (c. 24 800 pop), 70 km (44 miles) from Knik-Fairview (c. 14 900 pop), 83 km (51 miles) from Lakes (c. 8 400 pop), 76 km (47 miles) from Tanaina (c. 8 200 pop), 77 km (48 miles) from Wasilla (c. 7 800 pop), 67 km (42 miles) from Meadow Lakes (c. 7 600 pop).

Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures. In the past 24 hours, there have been one, in the last 10 days four, in the past 30 days eleven and in the last 365 days five hundred and fifty-five earthquakes of magnitude 3.0 or greater that have been detected in the same area. There are an estimated 1320 moderate quakes in the world each year.

How would you describe the shaking?

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. 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: 43 km W of Willow, Alaska.

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More information

Parameter Value Description
Magnitude 5.1 mb The magnitude for the event.
Longitude -150.8616° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 61.7161° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 55.5 km Depth of the event in kilometers.
Place 43km 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 2019-09-17 01:09:55 Time when the event occurred. UTC/GMT
Updated 2019-09-17 01:17:02 Time when the event was most recently updated. UTC/GMT
Timezone offset -540 Timezone offset from UTC in minutes at the event epicenter.
Felt 35 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 415 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 ,at,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 ak019by0dpof Id of event.
Event Code 019by0dpof An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00pxyb8j,ak019by0dpof, A comma-separated list of event ids that are associated to an event.

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