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Minor earthquake, 2.8 mag strikes near Sutton-Alpine in Alaska


Earthquake location 61.7538S, -147.8756WA minor earthquake magnitude 2.8 (ml/mb) has struck on Tuesday, 51 kilometers (32 miles) from Sutton-Alpine in Alaska. Exact location of event, longitude -147.8756 West, latitude 61.7538 North, depth = 145.2 km. Event ids that are associated to the earthquake: ak20251305. Id of event: ak20251305. Global date and time of event UTC/GMT: 11/09/18 / 2018-09-11 09:30:19 / September 11, 2018 @ 9:30 am. The earthquake occurred at a depth of 145.2 km (90 miles). The temblor was reported at 00:30:19 / 12:30 am (local time epicenter).

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Gateway, Palmer. Close country/countries that might be effected, United States (c. 310 233 000 pop). Epicenter of the event was 67 km (42 miles) from Palmer (c. 5 900 pop), 75 km (46 miles) from Gateway (c. 5 600 pop).

Every year there are an estimated 1,300,000 minor earthquakes in the world. In the past 24 hours, there have been 0, in the last 10 days one, in the past 30 days two and in the last 365 days fourty-six 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.

How would you describe the shaking?

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, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 51 km E of Sutton-Alpine, Alaska. This information 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 -147.8756° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 61.7538° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 145.2 km Depth of the event in kilometers.
Place 51km 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 2018-09-11 09:30:19 Time when the event occurred. UTC/GMT
Updated 2018-09-11 12:55:55 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 1.05 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 ak20251305 Id of event.
Event Code 20251305 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak20251305, A comma-separated list of event ids that are associated to an event.

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