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Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.7 mag was detected near Sand Point in Alaska

Earthquake location 54.2142S, -159.5356WA minor earthquake with magnitude 3.7 (ml/mb) was reported 139 km SSE of Sand Point, Alaska (86 miles) on Tuesday. The earthquake occurred at a depth of 21.49 km (13 miles) below the earth’s surface. Exact time and date of event in UTC/GMT: 20/10/20 / 2020-10-20 03:50:30 / October 20, 2020 @ 3:50 am. The temblor was detected at 03:50:30 / 3:50 am (local time epicenter). Exact location of earthquake, longitude -159.5356 West, latitude 54.2142 North, depth = 21.49 km. Id of earthquake: us6000cc52. Event ids that are associated: ak020dia3a0a, us6000cc52.

Each year there are an estimated 130,000 minor quakes in the world. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. In the past 24 hours, there have been six hundred and two, in the last 10 days six hundred and two, in the past 30 days six hundred and eighteen and in the last 365 days eight hundred and sixty-one earthquakes of magnitude 3.0 or greater that was reported nearby.

How would you describe the shaking?

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. 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: 139 km SSE of Sand Point, Alaska.

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More information

Parameter Value Description
Magnitude 3.7 mb The magnitude for the event.
Longitude -159.5356° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 54.2142° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 21.49 km Depth of the event in kilometers.
Place 139 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 03:50:30 Time when the event occurred. UTC/GMT
Updated 2020-11-11 03:43:14 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 211 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 0.618 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.66 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 189 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 us6000cc52 Id of event.
Event Code 6000cc52 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak020dia3a0a,us6000cc52, A comma-separated list of event ids that are associated to an event.

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