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Minor earthquake, 3 mag has occurred near Sand Point in Alaska

Earthquake location 54.4195S, -161.3732WA minor earthquake with magnitude 3 (ml/mb) was reported 116 km SSW of Sand Point, Alaska (72 miles) on Friday. The 3-magnitude earthquake was detected at 07:24:59 / 7:24 am (local time epicenter). The earthquake occurred at a depth of 20.75 km (13 miles). All ids that are associated to the event: ak18701031, us1000d8pr. Unique identifier: us1000d8pr. Exact time and date of earthquake 16/03/18 / 2018-03-16 18:24:59 / March 16, 2018 @ 6:24 pm UTC/GMT. Exact location of earthquake, longitude -161.3732 West, latitude 54.4195 North, depth = 20.75 km.

In the past 24 hours, there have been six, in the last 10 days eight, in the past 30 days twelve and in the last 365 days ninety-five earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage. There are an estimated 130,000 minor earthquakes in the world each year.

Questions or comments?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 116 km SSW of Sand Point, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3 mb The magnitude for the event.
Longitude -161.3732° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 54.4195° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 20.75 km Depth of the event in kilometers.
Place 116km SSW of Sand Point, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-03-16 18:24:59 Time when the event occurred. UTC/GMT
Updated 2018-04-14 21:23:53 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 138 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 ,ak,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 0.985 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.64 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 198 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 us1000d8pr Id of event.
Event Code 1000d8pr An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak18701031,us1000d8pr, A comma-separated list of event ids that are associated to an event.

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