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Minor earthquake, 3.1 mag has occurred near Kodiak in Alaska

Earthquake location 56.1441S, -149.2205WA minor earthquake with magnitude 3.1 (ml/mb) was reported 266 km SE of Kodiak, Alaska (165 miles) on Tuesday. The earthquake occurred at a depth of 20.44 km (13 miles) below the earth’s surface. Event id: us2000dbep. Ids that are associated to the earthquake: ak18576297, us2000dbep. Exact location of event, depth 20.44 km, -149.2205° West, 56.1441° North. The temblor was detected at 23:49:10 / 11:49 pm (local time epicenter). Exact time and date of event in UTC/GMT: 21/02/18 / 2018-02-21 09:49:10 / February 21, 2018 @ 9:49 am.

In the past 24 hours, there have been three hundred and fourty-nine, in the last 10 days six hundred and seventy-eight, in the past 30 days two thousand, six hundred and sixty-five and in the last 365 days two thousand, six hundred and sixty-nine earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage. Each year there are an estimated 130,000 minor earthquakes in the world.

Questions or comments?

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, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 266 km SE of Kodiak, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -149.2205° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 56.1441° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 20.44 km Depth of the event in kilometers.
Place 266km 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 2018-02-21 09:49:10 Time when the event occurred. UTC/GMT
Updated 2018-03-15 13:02:21 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 148 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 2.467 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 205 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 us2000dbep Id of event.
Event Code 2000dbep An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak18576297,us2000dbep, A comma-separated list of event ids that are associated to an event.

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