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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.3 mag strikes near Attu Station in Alaska

Posted by admin on February 23, 2016 0 Comments

Earthquake location 52.6211S, 171.446WA light earthquake magnitude 4.3 (ml/mb) has struck on Wednesday, 120 km WSW of Attu Station, Alaska (75 miles). The temblor was reported at 11:42:20 / 11:42 am (local time epicenter). The earthquake was roughly at a depth of 29.38 km (18 miles). Exact location, longitude 171.446° East, latitude 52.6211° North, depth = 29.38 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global time and date of event 10/02/16 / 2016-02-10 00:42:20 / February 10, 2016 @ 12:42 am UTC/GMT. Unique identifier: us20004zrn. Ids that are associated to the event: us20004zrn.

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 ten earthquakes of magnitude 3.0 or greater that was reported nearby. There are an estimated 13,000 light earthquakes in the world each year. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

How would you describe the shaking?

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. 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: 120 km WSW of Attu Station, Alaska.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude 171.446° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.6211° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 29.38 km Depth of the event in kilometers.
Place 120km WSW of Attu Station, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-02-10 00:42:20 Time when the event occurred. UTC/GMT
Updated 2016-02-22 23:47:21 Time when the event was most recently updated. UTC/GMT
Timezone offset 660 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 284 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 1.619 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.04 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 193 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 us20004zrn Id of event.
Event Code 20004zrn An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20004zrn, A comma-separated list of event ids that are associated to an event.

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