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Minor earthquake 3.4 mag, 102 km SSE of Sand Point, Alaska

Earthquake location 54.4705S, -159.9494WA minor earthquake with magnitude 3.4 (ml/mb) was detected on Friday, 102 km SSE of Sand Point, Alaska (63 miles). Exact location of event, depth 21.33 km, -159.9494° West, 54.4705° North. Global time and date of event 23/10/20 / 2020-10-23 06:08:36 / October 23, 2020 @ 6:08 am UTC/GMT. Event id: us7000ca3r. Ids that are associated to the earthquake: ak020dna8h6u, us7000ca3r. The earthquake occurred at a depth of 21.33 km (13 miles) below the earth’s surface. The temblor was detected at 06:08:36 / 6:08 am (local time epicenter).

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

How would you describe the shaking?

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 information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 102 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 -159.9494° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 54.4705° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 21.33 km Depth of the event in kilometers.
Place 102 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 2020-10-23 06:08:36 Time when the event occurred. UTC/GMT
Updated 2020-11-05 05:33:26 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 ,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 0.417 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.89 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 229 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 us7000ca3r Id of event.
Event Code 7000ca3r An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak020dna8h6u,us7000ca3r, A comma-separated list of event ids that are associated to an event.

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