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Minor earthquake 2.8 mag, 11 km NNE of Glennallen, Alaska


Earthquake location 62.2109S, -145.4915WA minor earthquake with magnitude 2.8 (ml/mb) was reported 11 km NNE of Glennallen, Alaska (7 miles) on Friday. All ids that are associated to the event: ak17263173. Unique identifier: ak17263173. The 2.8-magnitude earthquake was detected at 04:35:50 / 4:35 am (local time epicenter). Global date and time of event UTC/GMT: 17/11/17 / 2017-11-17 13:35:50 / November 17, 2017 @ 1:35 pm. Exact location of event, longitude -145.4915 West, latitude 62.2109 North, depth = 54.1 km. The earthquake occurred at a depth of 54.1 km (34 miles) below the earth’s surface.

In the past 24 hours, there have been 0, in the last 10 days 0, in the past 30 days two and in the last 365 days nine earthquakes of magnitude 3.0 or greater that have been detected in the same area. There are an estimated 1,300,000 minor quakes in the world each year. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.

Did you feel it?

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 11 km NNE of Glennallen, Alaska. This data 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 -145.4915° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 62.2109° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 54.1 km Depth of the event in kilometers.
Place 11km NNE of Glennallen, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-11-17 13:35:50 Time when the event occurred. UTC/GMT
Updated 2017-11-17 13:43:17 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 0.78 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 ak17263173 Id of event.
Event Code 17263173 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak17263173, A comma-separated list of event ids that are associated to an event.

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