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Minor World Earthquakes Magnitude -3.9

Minor earthquake: M3.9 quake has struck near Sand Point in Alaska

Earthquake location 55.1158S, -159.5685WA minor earthquake magnitude 3.9 (ml/mb) has occurred on Wednesday, 64 km ESE of Sand Point, Alaska (40 miles). The 3.9-magnitude earthquake has occurred at 06:39:17 / 6:39 am (local time epicenter). Exact location of event, depth 22.1 km, -159.5685° West, 55.1158° North. Unique identifier: us7000asw1. Ids that are associated to the event: us7000asw1. Exact time and date of earthquake 22/07/20 / 2020-07-22 06:39:17 / July 22, 2020 @ 6:39 am UTC/GMT. The earthquake was roughly at a depth of 22.1 km (14 miles).

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

Did you feel anything?

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. 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: 64 km ESE of Sand Point, Alaska.

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More information

Parameter Value Description
Magnitude 3.9 mb The magnitude for the event.
Longitude -159.5685° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 55.1158° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 22.1 km Depth of the event in kilometers.
Place 64 km ESE 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 2020-07-22 06:39:17 Time when the event occurred. UTC/GMT
Updated 2020-07-29 05:34:12 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 234 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 0.285 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.83 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 112 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 us7000asw1 Id of event.
Event Code 7000asw1 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000asw1, A comma-separated list of event ids that are associated to an event.

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