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Minor earthquake, 2.9 mag strikes near Willow in Alaska

Earthquake location 61.6989S, -150.3159WA minor earthquake magnitude 2.9 (ml/mb) has struck on Friday, 15 kilometers (9 miles) from Willow in Alaska. The 2.9-magnitude earthquake has occurred at 06:23:58 / 6:23 am (local time epicenter). Date and time of earthquake in UTC/GMT: 25/10/19 / 2019-10-25 15:23:58 / October 25, 2019 @ 3:23 pm. Event ids that are associated to the earthquake: ak019dp37z9i. Id of event: ak019dp37z9i. The epicenter was at a depth of 20.4 km (13 miles). Exact location of earthquake, longitude -150.3159 West, latitude 61.6989 North, depth = 20.4 km.

Epicenter of the earthquake was 58 km (36 miles) from Anchorage (c. 291 800 pop), 58 km (36 miles) from Eagle River (c. 24 800 pop), 43 km (27 miles) from Knik-Fairview (c. 14 900 pop), 54 km (34 miles) from Lakes (c. 8 400 pop), 48 km (30 miles) from Tanaina (c. 8 200 pop). Close country/countries that might be effected, United States (c. 310 233 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was Palmer, Elmendorf Air Force Base, Gateway (min 5000 pop).

In the past 24 hours, there have been 0, in the last 10 days one, in the past 30 days five and in the last 365 days five hundred and fifty-one earthquakes of magnitude 3.0 or greater that has occurred nearby. Each 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.

Did you feel it?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home 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: 15 km WSW of Willow, Alaska.

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More information

Parameter Value Description
Magnitude 2.9 mb The magnitude for the event.
Longitude -150.3159° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 61.6989° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 20.4 km Depth of the event in kilometers.
Place 15km WSW 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 2019-10-25 15:23:58 Time when the event occurred. UTC/GMT
Updated 2019-10-25 15:28:56 Time when the event was most recently updated. UTC/GMT
Timezone offset -540 Timezone offset from UTC in minutes at the event epicenter.
Felt 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 129 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 0.88 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 ak019dp37z9i Id of event.
Event Code 019dp37z9i An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak019dp37z9i, A comma-separated list of event ids that are associated to an event.

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