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Light earthquake, 4.5 mag strikes near Yunaska Island in Alaska

Posted by admin on September 3, 2015 0 Comments

Earthquake location 51.353S, -169.1904WA light earthquake magnitude 4.5 (ml/mb) has struck on Wednesday, 175 km SE of Yunaska Island, Alaska (109 miles). Event id: us20003fy3. Ids that are associated to the earthquake: us20003fy3. The 4.5-magnitude earthquake was detected at 22:20:25 / 10:20 pm (local time epicenter). Global date and time of event UTC/GMT: 03/09/15 / 2015-09-03 09:20:25 / September 3, 2015 @ 9:20 am. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter of the earthquake was roughly 26.26 km (16 miles) below the earth’s surface. Exact location of event, depth 26.26 km, -169.1904° West, 51.353° North.

In the past 24 hours, there have been one, in the last 10 days six, in the past 30 days thirty and in the last 365 days two hundred and thirty-nine earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Every year there are an estimated 13,000 light earthquakes in the world.

Did you feel anything?

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 data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 175 km SE of Yunaska Island, Alaska.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -169.1904° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.353° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 26.26 km Depth of the event in kilometers.
Place 175km 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 2015-09-03 09:20:25 Time when the event occurred. UTC/GMT
Updated 2015-09-03 09:36:09 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 312 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 3.475 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.4 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 181 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 us20003fy3 Id of event.
Event Code 20003fy3 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20003fy3, A comma-separated list of event ids that are associated to an event.

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