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Minor earthquake, 2.8 mag has occurred near Kodiak in Alaska

Earthquake location 56.3928S, -149.2885WA minor earthquake magnitude 2.8 (ml/mb) strikes 244 km SE of Kodiak, Alaska (152 miles) on Tuesday. Exact location of earthquake, -149.2885° West, 56.3928° North, depth 11.3 km. Id of earthquake: ak18467604. Event ids that are associated: ak18467604. The epicenter of the earthquake was roughly 11.3 km (7 miles) below the earth’s surface. The temblor was reported at 01:04:39 / 1:04 am (local time epicenter). Global time and date of event 20/02/18 / 2018-02-20 11:04:39 / February 20, 2018 @ 11:04 am UTC/GMT.

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

How would you describe the shaking?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 244 km SE of Kodiak, 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 -149.2885° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 56.3928° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 11.3 km Depth of the event in kilometers.
Place 244km 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 2018-02-20 11:04:39 Time when the event occurred. UTC/GMT
Updated 2018-02-28 20:53:36 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 0.57 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 ak18467604 Id of event.
Event Code 18467604 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak18467604, A comma-separated list of event ids that are associated to an event.

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