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Minor earthquake, 2.9 mag strikes near Talkeetna in Alaska


Earthquake location 62.9679S, -150.2859WA minor earthquake with magnitude 2.9 (ml/mb) was reported 72 km N of Talkeetna, Alaska (45 miles) on Saturday. Global time and date of event 20/10/18 / 2018-10-20 22:46:23 / October 20, 2018 @ 10:46 pm UTC/GMT. The 2.9-magnitude earthquake has occurred at 13:46:23 / 1:46 pm (local time epicenter). Unique identifier: ak20288279. Ids that are associated to the event: ak20288279. Exact location of earthquake, longitude -150.2859 West, latitude 62.9679 North, depth = 85.4 km. The earthquake occurred at a depth of 85.4 km (53 miles).

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-nine earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage. There are an estimated 130,000 minor earthquakes in the world each year.

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. 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: 72 km N of Talkeetna, Alaska.

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More information

Parameter Value Description
Magnitude 2.9 mb The magnitude for the event.
Longitude -150.2859° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 62.9679° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 85.4 km Depth of the event in kilometers.
Place 72km N of Talkeetna, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-10-20 22:46:23 Time when the event occurred. UTC/GMT
Updated 2018-10-20 22:52:58 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 0.64 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 ak20288279 Id of event.
Event Code 20288279 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak20288279, A comma-separated list of event ids that are associated to an event.

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