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Light earthquake: M4.4 quake has struck near the Aleutian Islands

Posted by admin on February 28, 2017 0 Comments

Earthquake location 52.0876S, 164.3118WA light earthquake with magnitude 4.4 (ml/mb) was reported South of the Aleutian Islands (0 miles) on Tuesday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Unique identifier: us20008mtx. Ids that are associated to the event: us20008mtx. The temblor was detected at 11:57:54 / 11:57 am (local time epicenter). The epicenter of the earthquake was roughly 15.05 km (9 miles) below the earth’s surface. Exact time and date of earthquake 28/02/17 / 2017-02-28 00:57:54 / February 28, 2017 @ 12:57 am UTC/GMT. Exact location of event, longitude 164.3118 East, latitude 52.0876 North, depth = 15.05 km.

Each year there are an estimated 13,000 light quakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days one and in the last 365 days one earthquakes of magnitude 3.0 or greater that was reported nearby.

Questions or comments?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city 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: South of the Aleutian Islands.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude 164.3118° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.0876° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 15.05 km Depth of the event in kilometers.
Place South of the Aleutian Islands Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-02-28 00:57:54 Time when the event occurred. UTC/GMT
Updated 2017-02-28 02:58:54 Time when the event was most recently updated. UTC/GMT
Timezone offset 660 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 298 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 ,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 4.159 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.84 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 211 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us20008mtx Id of event.
Event Code 20008mtx An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20008mtx, A comma-separated list of event ids that are associated to an event.

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