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Minor earthquake, 3.3 mag strikes near Sand Point in Alaska



Earthquake location 55.0584S, -160.4623WA minor earthquake magnitude 3.3 (ml/mb) has struck on Friday, 31 km S of Sand Point, Alaska (19 miles). The 3.3-magnitude earthquake has occurred at 22:54:16 / 10:54 pm (local time epicenter). Exact time and date of event in UTC/GMT: 22/10/16 / 2016-10-22 06:54:16 / October 22, 2016 @ 6:54 am. The epicenter was at a depth of 7.33 km (5 miles). Exact location, longitude -160.4623° West, latitude 55.0584° North, depth = 7.33 km. Event id: us1000729b. Ids that are associated to the earthquake: ak14255322, us1000729b.

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

Did you feel the quake?

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: 31 km S of Sand Point, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.3 mb The magnitude for the event.
Longitude -160.4623° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 55.0584° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 7.33 km Depth of the event in kilometers.
Place 31km S 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 2016-10-22 06:54:16 Time when the event occurred. UTC/GMT
Updated 2016-11-17 11:55:53 Time when the event was most recently updated. UTC/GMT
Timezone offset -480 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 168 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 0.291 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.66 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 139 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 us1000729b Id of event.
Event Code 1000729b An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak14255322,us1000729b, A comma-separated list of event ids that are associated to an event.

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