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Minor earthquake, 2.8 mag was detected near Kodiak in Alaska

Earthquake location 55.9126S, -149.9597WA minor earthquake with magnitude 2.8 (ml/mb) was reported 256 km SE of Kodiak, Alaska (159 miles) on Wednesday. The earthquake was roughly at a depth of 12 km (7 miles). Exact time and date of event in UTC/GMT: 15/03/18 / 2018-03-15 00:31:43 / March 15, 2018 @ 12:31 am. The 2.8-magnitude earthquake has occurred at 14:31:43 / 2:31 pm (local time epicenter). Exact location of earthquake, longitude -149.9597 West, latitude 55.9126 North, depth = 12 km. Event id: ak18723616. Ids that are associated to the earthquake: ak18723616.

Each year there are an estimated 1,300,000 minor earthquakes in the world. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. In the past 24 hours, there have been seventeen, in the last 10 days one hundred and sixty-four, in the past 30 days seven hundred and nineteen and in the last 365 days two thousand, seven hundred and fourty-one earthquakes of magnitude 3.0 or greater that has occurred nearby.

Did you feel the quake?

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. 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: 256 km SE of Kodiak, Alaska.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -149.9597° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 55.9126° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 12 km Depth of the event in kilometers.
Place 256km SE of Kodiak, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-03-15 00:31:43 Time when the event occurred. UTC/GMT
Updated 2018-03-21 22:16:11 Time when the event was most recently updated. UTC/GMT
Timezone offset -600 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 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 0.86 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 ak18723616 Id of event.
Event Code 18723616 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak18723616, A comma-separated list of event ids that are associated to an event.

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