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Minor earthquake 2.8 mag, 63 km SSW of Kodiak Station, Alaska

Earthquake location 57.2232S, -152.939WA minor earthquake with magnitude 2.8 (ml/mb) was reported 63 kilometers (39 miles) from Kodiak Station in Alaska on Wednesday. Id of earthquake: ak20252301. Event ids that are associated: ak20252301. The temblor was detected at 11:49:04 / 11:49 am (local time epicenter). Exact time and date of event in UTC/GMT: 12/09/18 / 2018-09-12 20:49:04 / September 12, 2018 @ 8:49 pm. Exact location of earthquake, -152.939° West, 57.2232° North, depth 78.2 km. The earthquake occurred at a depth of 78.2 km (49 miles) below the earth’s surface.

The epicenter was 71 km (44 miles) from Kodiak (c. 6 100 pop). Closest city/cities/towns to epicentrum/hypocenter was Kodiak (min 5000 pop). Close country/countries that might be effected, United States (c. 310 233 000 pop).

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

Did you feel anything?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 63 km SSW of Kodiak Station, 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 -152.939° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 57.2232° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 78.2 km Depth of the event in kilometers.
Place 63km SSW of Kodiak 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 2018-09-12 20:49:04 Time when the event occurred. UTC/GMT
Updated 2018-09-12 20:55:38 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 0.7 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 ak20252301 Id of event.
Event Code 20252301 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak20252301, A comma-separated list of event ids that are associated to an event.

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