Minor earthquake, 3.9 mag strikes near Sand Point in Alaska

A minor earthquake magnitude 3.9 (ml/mb) has occurred on Tuesday, 138 km SSE of Sand Point, Alaska (86 miles). The epicenter was at a depth of 20.48 km (13 miles). Global date and time of event UTC/GMT: 20/10/20 / 2020-10-20 22:46:03 / October 20, 2020 @ 10:46 pm. Exact location of event, depth 20.48 km, -159.5983° West, 54.203° North. The temblor was detected at 22:46:03 / 10:46 pm (local time epicenter). Id of earthquake: us6000caeh. Event ids that are associated: us6000caeh.

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. There are an estimated 130,000 minor quakes in the world each year. In the past 24 hours, there have been fifty-six, in the last 10 days eighty-one, in the past 30 days ninety-four and in the last 365 days three hundred and fourty-two earthquakes of magnitude 3.0 or greater that has occurred nearby.

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How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity 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: 138 km SSE of Sand Point, Alaska. This information comes from the USGS Earthquake Notification Service.

Alaska Sand Point

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Parameter	Value	Description
Magnitude	3.9 mb	The magnitude for the event.
Longitude	-159.5983° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	54.203° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	20.48 km	Depth of the event in kilometers.
Place	138 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 22:46:03	Time when the event occurred. UTC/GMT
Updated	2020-10-20 23:48:52	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	234	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	0.629	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.76 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	256	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	us6000caeh	Id of event.
Event Code	6000caeh	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us6000caeh,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.9 mag strikes near Sand Point in Alaska

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