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Minor earthquake, 2.8 mag was detected near Kodiak in Alaska



Earthquake location 56.3816S, -149.967WA minor earthquake magnitude 2.8 (ml/mb) strikes 215 km SE of Kodiak, Alaska (134 miles) on Thursday. The temblor was picked up at 20:31:01 / 8:31 pm (local time epicenter). Global date and time of event UTC/GMT: 23/03/18 / 2018-03-23 06:31:01 / March 23, 2018 @ 6:31 am. Exact location, longitude -149.967° West, latitude 56.3816° North, depth = 21.66 km. Id of earthquake: us1000ddfz. Event ids that are associated: ak18919309, us1000ddfz. The epicenter was at a depth of 21.66 km (13 miles).

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

Did you feel it?

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: 215 km SE of Kodiak, Alaska.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -149.967° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 56.3816° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 21.66 km Depth of the event in kilometers.
Place 215km 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 2018-03-23 06:31:01 Time when the event occurred. UTC/GMT
Updated 2018-04-04 11:09:48 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 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 2.003 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.85 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 210 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 us1000ddfz Id of event.
Event Code 1000ddfz An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak18919309,us1000ddfz, A comma-separated list of event ids that are associated to an event.

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