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Minor earthquake, 3.3 mag was detected near Sand Point in Alaska

Earthquake location 54.1811S, -159.3989WA minor earthquake magnitude 3.3 (ml/mb) strikes 146 km SSE of Sand Point, Alaska (91 miles) on Tuesday. The temblor was reported at 01:15:55 / 1:15 am (local time epicenter). Exact location of earthquake, longitude -159.3989 West, latitude 54.1811 North, depth = 20.65 km. Exact time and date of event in UTC/GMT: 20/10/20 / 2020-10-20 01:15:55 / October 20, 2020 @ 1:15 am. Id of earthquake: us7000c86p. Event ids that are associated: ak020di8ot00, us7000c86p. The epicenter of the earthquake was roughly 20.65 km (13 miles) below the earth’s surface.

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

Did you feel it?

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. 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: 146 km SSE of Sand Point, Alaska.

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More information

Parameter Value Description
Magnitude 3.3 mb The magnitude for the event.
Longitude -159.3989° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 54.1811° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 20.65 km Depth of the event in kilometers.
Place 146 km SSE 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 2020-10-20 01:15:55 Time when the event occurred. UTC/GMT
Updated 2020-11-09 04:21:37 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 0.66 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.81 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 217 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 us7000c86p Id of event.
Event Code 7000c86p An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak020di8ot00,us7000c86p, A comma-separated list of event ids that are associated to an event.

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