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Minor earthquake, 2.8 mag strikes near Craig in Alaska



Earthquake location 55.5833S, -134.9804WA minor earthquake with magnitude 2.8 (ml/mb) was reported 116 km W of Craig, Alaska (72 miles) on Saturday. Global time and date of event 07/10/17 / 2017-10-07 20:34:25 / October 7, 2017 @ 8:34 pm UTC/GMT. Event ids that are associated to the earthquake: ak16993968, us1000aqef. Id of event: us1000aqef. Exact location of event, longitude -134.9804 West, latitude 55.5833 North, depth = 13.3 km. The temblor was picked up at 11:34:25 / 11:34 am (local time epicenter). The epicenter was at a depth of 13.3 km (8 miles).

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

Did you feel anything?

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 data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 116 km W of Craig, Alaska.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -134.9804° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 55.5833° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 13.3 km Depth of the event in kilometers.
Place 116km W of Craig, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-10-07 20:34:25 Time when the event occurred. UTC/GMT
Updated 2017-11-01 22:50:27 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 reviewed 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 us The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,ak,us, 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 0.97 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 us1000aqef Id of event.
Event Code 1000aqef An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak16993968,us1000aqef, A comma-separated list of event ids that are associated to an event.

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