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Minor earthquake: M2.8 quake has struck near Sutton-Alpine in Alaska

Earthquake location 61.7817S, -148.687WA minor earthquake magnitude 2.8 (ml/mb) has occurred on Sunday, 8 kilometers (5 miles) from Sutton-Alpine in Alaska. The earthquake occurred at a depth of 6.9 km (4 miles) below the earth’s surface. Exact location of earthquake, -148.687° West, 61.7817° North, depth 6.9 km. Global date and time of event UTC/GMT: 28/10/18 / 2018-10-28 20:26:10 / October 28, 2018 @ 8:26 pm. The temblor was picked up at 11:26:10 / 11:26 am (local time epicenter). Unique identifier: ak20297402. Ids that are associated to the event: ak20297402.

Event epicenter was 69 km (43 miles) from Eagle River (c. 24 800 pop), 57 km (35 miles) from Knik-Fairview (c. 14 900 pop), 38 km (24 miles) from Lakes (c. 8 400 pop), 43 km (27 miles) from Tanaina (c. 8 200 pop), 46 km (28 miles) from Wasilla (c. 7 800 pop). Nearest cities/city/villages to epicentrum/hypocenter was Elmendorf Air Force Base, Eagle River, Knik-Fairview (min 5000 pop). Close country/countries that might be effected, United States (c. 310 233 000 pop).

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

Questions or comments?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city 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: 8 km E of Sutton-Alpine, Alaska.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -148.687° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 61.7817° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 6.9 km Depth of the event in kilometers.
Place 8km E of Sutton-Alpine, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-10-28 20:26:10 Time when the event occurred. UTC/GMT
Updated 2018-10-28 20:30:14 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 1.19 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 ak20297402 Id of event.
Event Code 20297402 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak20297402, A comma-separated list of event ids that are associated to an event.

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