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Minor earthquake, 2.8 mag strikes near Little Sitkin Island in Alaska

Posted by admin on March 25, 2018 0 Comments

Earthquake location 51.8386S, 178.1306WA minor earthquake with magnitude 2.8 (ml/mb) was reported 28 km WSW of Little Sitkin Island, Alaska (17 miles) on Saturday. Global date and time of event UTC/GMT: 24/02/18 / 2018-02-24 16:55:07 / February 24, 2018 @ 4:55 pm. Exact location of earthquake, longitude 178.1306 East, latitude 51.8386 North, depth = 135.77 km. The earthquake occurred at a depth of 135.77 km (84 miles). The temblor was reported at 06:55:07 / 6:55 am (local time epicenter). Id of earthquake: us2000dc3p. Event ids that are associated: ak18513720, us2000dc3p.

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

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. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 28 km WSW of Little Sitkin Island, Alaska.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude 178.1306° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.8386° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 135.77 km Depth of the event in kilometers.
Place 28km WSW of Little Sitkin Island, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-02-24 16:55:07 Time when the event occurred. UTC/GMT
Updated 2018-03-25 13:43:48 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 0.26 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.26 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 299 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 us2000dc3p Id of event.
Event Code 2000dc3p An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak18513720,us2000dc3p, A comma-separated list of event ids that are associated to an event.

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