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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.3 mag strikes near Circle in Alaska



Earthquake location 65.649S, -143.8082WA light earthquake with magnitude 4.3 (ml/mb) was detected on Wednesday, 25 km SE of Circle, Alaska (16 miles). Exact location of event, depth 24.7 km, -143.8082° West, 65.649° North. Id of earthquake: ak12879176. Event ids that are associated: us10004sit, ak12879176. Date and time of earthquake in UTC/GMT: 25/02/16 / 2016-02-25 06:57:55 / February 25, 2016 @ 6:57 am. The earthquake was roughly at a depth of 24.7 km (15 miles). The 4.3-magnitude earthquake was detected at 21:57:55 / 9:57 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. There are an estimated 13,000 light quakes in the world each year. In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days two and in the last 365 days 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. 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: 25 km SE of Circle, Alaska.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -143.8082° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 65.649° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 24.7 km Depth of the event in kilometers.
Place 25km SE of Circle, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-02-25 06:57:55 Time when the event occurred. UTC/GMT
Updated 2016-02-25 07:39:33 Time when the event was most recently updated. UTC/GMT
Timezone offset -540 Timezone offset from UTC in minutes at the event epicenter.
Felt 3 The total number of felt reports
CDI 3.1 The maximum reported intensity for the event.
MMI 4.01 The maximum estimated instrumental intensity for the event.
Alert Level green 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 285 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 ,us,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 0.99 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 ak12879176 Id of event.
Event Code 12879176 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10004sit,ak12879176, A comma-separated list of event ids that are associated to an event.

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