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Minor earthquake 2.8 mag, 264 km SE of Kodiak, Alaska

Posted by admin on February 27, 2018 0 Comments

Earthquake location 56.1565S, -149.2533WA minor earthquake with magnitude 2.8 (ml/mb) was reported 264 km SE of Kodiak, Alaska (164 miles) on Saturday. All ids that are associated to the event: ak18545731. Unique identifier: ak18545731. The 2.8-magnitude earthquake has occurred at 08:31:29 / 8:31 am (local time epicenter). Global date and time of event UTC/GMT: 17/02/18 / 2018-02-17 18:31:29 / February 17, 2018 @ 6:31 pm. The epicenter of the earthquake was roughly 4.8 km (3 miles) below the earth’s surface. Exact location of event, longitude -149.2533 West, latitude 56.1565 North, depth = 4.8 km.

In the past 24 hours, there have been sixty-seven, in the last 10 days three hundred and twenty-four, in the past 30 days two thousand, one hundred and nine and in the last 365 days two thousand, one hundred and thirteen earthquakes of magnitude 3.0 or greater that have been detected in the same area. 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.

Did you feel the quake?

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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 264 km SE of Kodiak, Alaska.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -149.2533° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 56.1565° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 4.8 km Depth of the event in kilometers.
Place 264km 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 2018-02-17 18:31:29 Time when the event occurred. UTC/GMT
Updated 2018-02-26 16:57:37 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 0.53 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 ak18545731 Id of event.
Event Code 18545731 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak18545731, A comma-separated list of event ids that are associated to an event.

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