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Minor earthquake: M2.8 quake has struck near Circle Hot Springs Station in Alaska



Earthquake location 65.4377S, -144.7488WA minor earthquake with magnitude 2.8 (ml/mb) was detected on Tuesday, 4 km SW of Circle Hot Springs Station, Alaska (2 miles). The earthquake occurred at a depth of 0.9 km (1 miles). Exact location, longitude -144.7488° West, latitude 65.4377° North, depth = 0.9 km. All ids that are associated to the event: ak14007454. Unique identifier: ak14007454. The 2.8-magnitude earthquake was detected at 20:44:28 / 8:44 pm (local time epicenter). Global date and time of event UTC/GMT: 21/09/16 / 2016-09-21 04:44:28 / September 21, 2016 @ 4:44 am.

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

Questions or comments?

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: 4 km SW of Circle Hot Springs Station, 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 -144.7488° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 65.4377° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 0.9 km Depth of the event in kilometers.
Place 4km SW of Circle Hot Springs Station, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-09-21 04:44:28 Time when the event occurred. UTC/GMT
Updated 2016-09-21 04:57:49 Time when the event was most recently updated. UTC/GMT
Timezone offset -480 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 0.85 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 ak14007454 Id of event.
Event Code 14007454 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak14007454, A comma-separated list of event ids that are associated to an event.

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