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Light earthquake, 4.5 mag has occurred near Larsen Bay in Alaska



Earthquake location 56.2704S, -153.2545WA light earthquake with magnitude 4.5 (ml/mb) was detected on Friday, 148 km SSE of Larsen Bay, Alaska (92 miles). Global date and time of event UTC/GMT: 10/09/16 / 2016-09-10 02:32:22 / September 10, 2016 @ 2:32 am. The epicenter of the earthquake was roughly 19.4 km (12 miles) below the earth’s surface. A tsunami warning has been issued near Larsen Bay in Alaska (Does not indicate if a tsunami actually did or will exist). The temblor was picked up at 16:32:22 / 4:32 pm (local time epicenter). Id of earthquake: ak13927255. Event ids that are associated: at00od9odz, ak13927255. Exact location, longitude -153.2545° West, latitude 56.2704° North, depth = 19.4 km.

Each year there are an estimated 13,000 light quakes in the world. 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 sixteen earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 148 km SSE of Larsen Bay, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -153.2545° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 56.2704° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 19.4 km Depth of the event in kilometers.
Place 148km SSE of Larsen Bay, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-09-10 02:32:22 Time when the event occurred. UTC/GMT
Updated 2016-09-10 02:47:30 Time when the event was most recently updated. UTC/GMT
Timezone offset -600 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 automatic Indicates whether the event has been reviewed by a human.
Tsunami 1 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 ak The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,at,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 0.7 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 ak13927255 Id of event.
Event Code 13927255 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00od9odz,ak13927255, A comma-separated list of event ids that are associated to an event.

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