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Minor earthquake: M3.4 quake has struck near Sand Point in Alaska

Posted by admin on October 30, 2020 0 Comments

Earthquake location 54.5455S, -159.6225WA minor earthquake with magnitude 3.4 (ml/mb) was detected on Tuesday, 104 km SSE of Sand Point, Alaska (65 miles). The epicenter of the earthquake was roughly 16.3 km (10 miles) below the earth’s surface. The 3.4-magnitude earthquake was detected at 14:01:54 / 2:01 pm (local time epicenter). Exact location of earthquake, longitude -159.6225 West, latitude 54.5455 North, depth = 16.3 km. All ids that are associated to the event: ak020digcfgc. Unique identifier: ak020digcfgc. Exact time and date of event in UTC/GMT: 20/10/20 / 2020-10-20 14:01:54 / October 20, 2020 @ 2:01 pm.

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. In the past 24 hours, there have been three hundred and eighty-seven, in the last 10 days three hundred and eighty-seven, in the past 30 days four hundred and five and in the last 365 days seven hundred and twelve earthquakes of magnitude 3.0 or greater that has occurred nearby.

Did you feel the quake?

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. 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: 104 km SSE of Sand Point, Alaska.

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More information

Parameter Value Description
Magnitude 3.4 mb The magnitude for the event.
Longitude -159.6225° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 54.5455° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 16.3 km Depth of the event in kilometers.
Place 104 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 14:01:54 Time when the event occurred. UTC/GMT
Updated 2020-10-30 18:34:00 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 ak The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,ak, 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 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.68 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 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 ak020digcfgc Id of event.
Event Code 020digcfgc An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak020digcfgc, A comma-separated list of event ids that are associated to an event.

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