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Minor World Earthquakes Magnitude -3.9

Minor earthquake: M3.5 quake has struck near Yunaska Island in Alaska

Posted by admin on October 6, 2015 0 Comments

Earthquake location 51.9974S, -169.5012WA minor earthquake with magnitude 3.5 (ml/mb) was detected on Thursday, 107 km SE of Yunaska Island, Alaska (66 miles). Exact location of event, longitude -169.5012 West, latitude 51.9974 North, depth = 24.9 km. The epicenter of the earthquake was roughly 24.9 km (15 miles) below the earth’s surface. The temblor was reported at 19:54:13 / 7:54 pm (local time epicenter). Global time and date of event 25/09/15 / 2015-09-25 06:54:13 / September 25, 2015 @ 6:54 am UTC/GMT. Id of earthquake: ak11722923. Event ids that are associated: ak11722923.

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. In the past 24 hours, there have been two, in the last 10 days four, in the past 30 days thirty-seven and in the last 365 days three hundred and fourty-two earthquakes of magnitude 3.0 or greater that have been detected in the same area. Each year there are an estimated 130,000 minor earthquakes in the world.

Questions or comments?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking 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: 107 km SE of Yunaska Island, Alaska.

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More information

Parameter Value Description
Magnitude 3.5 mb The magnitude for the event.
Longitude -169.5012° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.9974° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 24.9 km Depth of the event in kilometers.
Place 107km SE of Yunaska 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 2015-09-25 06:54:13 Time when the event occurred. UTC/GMT
Updated 2015-10-06 02:38:17 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 188 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 16 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 0.42 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 233.99998128 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 ak11722923 Id of event.
Event Code 11722923 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak11722923, A comma-separated list of event ids that are associated to an event.

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