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Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.5 mag strikes near Sand Point in Alaska

Posted by admin on October 30, 2020 0 Comments

Earthquake location 54.2047S, -159.688WA minor earthquake magnitude 3.5 (ml/mb) strikes 136 km SSE of Sand Point, Alaska (85 miles) on Tuesday. The temblor was picked up at 04:26:49 / 4:26 am (local time epicenter). Exact location of event, longitude -159.688 West, latitude 54.2047 North, depth = 32.4 km. Unique identifier: ak020diajtt8. Ids that are associated to the event: ak020diajtt8. Global time and date of event 20/10/20 / 2020-10-20 04:26:49 / October 20, 2020 @ 4:26 am UTC/GMT. The earthquake occurred at a depth of 32.4 km (20 miles).

Earthquakes 3.0 to 4.0 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 three hundred and eighty-seven, in the last 10 days three hundred and eighty-seven, in the past 30 days four hundred and four and in the last 365 days six hundred and fifty-six earthquakes of magnitude 3.0 or greater that was reported nearby.

How would you describe the shaking?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city 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: 136 km SSE of Sand Point, Alaska.

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More information

Parameter Value Description
Magnitude 3.5 mb The magnitude for the event.
Longitude -159.688° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 54.2047° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 32.4 km Depth of the event in kilometers.
Place 136 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 04:26:49 Time when the event occurred. UTC/GMT
Updated 2020-10-30 18:32:21 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 188 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 0.71 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 ak020diajtt8 Id of event.
Event Code 020diajtt8 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak020diajtt8, A comma-separated list of event ids that are associated to an event.

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