Minor earthquake, 3.4 mag strikes near Sand Point in Alaska

A minor earthquake magnitude 3.4 (ml/mb) has struck on Wednesday, 115 km SSE of Sand Point, Alaska (71 miles). The 3.4-magnitude earthquake was detected at 02:05:26 / 2:05 am (local time epicenter). All ids that are associated to the event: us6000cags. Unique identifier: us6000cags. Exact location of event, longitude -159.7555 West, latitude 54.3915 North, depth = 24.89 km. The earthquake occurred at a depth of 24.89 km (15 miles) below the earth’s surface. Global time and date of event 21/10/20 / 2020-10-21 02:05:26 / October 21, 2020 @ 2:05 am UTC/GMT.

In the past 24 hours, there have been fourty-six, in the last 10 days ninety, in the past 30 days one hundred and five and in the last 365 days three hundred and ninety-four earthquakes of magnitude 3.0 or greater that has struck near. Each year there are an estimated 130,000 minor earthquakes in the world. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage.

Questions or comments?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 115 km SSE of Sand Point, Alaska.

Alaska Sand Point

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Parameter	Value	Description
Magnitude	3.4 mb	The magnitude for the event.
Longitude	-159.7555° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	54.3915° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	24.89 km	Depth of the event in kilometers.
Place	115 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	2020-10-21 02:05:26	Time when the event occurred. UTC/GMT
Updated	2020-10-21 02:32:52	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	178	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	0.45	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.8 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	208	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	us6000cags	Id of event.
Event Code	6000cags	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us6000cags,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.4 mag strikes near Sand Point in Alaska

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