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Light earthquake, 4.2 mag was detected near Yunaska Island in Alaska

Posted by admin on September 1, 2015 0 Comments

Earthquake location 52.2143S, -170.4529WA light earthquake magnitude 4.2 (ml/mb) has occurred on Tuesday, 49 km SSE of Yunaska Island, Alaska (30 miles). The temblor was detected at 02:52:42 / 2:52 am (local time epicenter). Date and time of earthquake in UTC/GMT: 01/09/15 / 2015-09-01 13:52:42 / September 1, 2015 @ 1:52 pm. Exact location of earthquake, longitude -170.4529 West, latitude 52.2143 North, depth = 25.4 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). All ids that are associated to the event: ak11689347. Unique identifier: ak11689347. The earthquake was roughly at a depth of 25.4 km (16 miles).

In the past 24 hours, there have been two, in the last 10 days five, in the past 30 days fourty-three and in the last 365 days two hundred and ninety-nine earthquakes of magnitude 3.0 or greater that has struck near. Each year there are an estimated 13,000 light earthquakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel it?

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: 49 km SSE of Yunaska Island, Alaska.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -170.4529° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.2143° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 25.4 km Depth of the event in kilometers.
Place 49km SSE 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 2015-09-01 13:52:42 Time when the event occurred. UTC/GMT
Updated 2015-09-01 17:42:47 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 271 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 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 0.73 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 ak11689347 Id of event.
Event Code 11689347 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak11689347, A comma-separated list of event ids that are associated to an event.

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