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Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.9 mag has occurred near Perryville in Alaska

Posted by admin on July 29, 2020 0 Comments

Earthquake location 54.7671S, -158.2161WA minor earthquake with magnitude 3.9 (ml/mb) was reported 140 km SSE of Perryville, Alaska (87 miles) on Wednesday. Exact location, longitude -158.2161° West, latitude 54.7671° North, depth = 19.8 km. All ids that are associated to the event: ak0209dlnynj, us7000at3a. Unique identifier: us7000at3a. Global time and date of event 22/07/20 / 2020-07-22 13:49:06 / July 22, 2020 @ 1:49 pm UTC/GMT. The temblor was reported at 13:49:06 / 1:49 pm (local time epicenter). The earthquake occurred at a depth of 19.8 km (12 miles) below the earth’s surface.

In the past 24 hours, there have been seventy-four, in the last 10 days seventy-four, in the past 30 days seventy-four and in the last 365 days one hundred and five earthquakes of magnitude 3.0 or greater that have been detected nearby. 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.

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: 140 km SSE of Perryville, Alaska.

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More information

Parameter Value Description
Magnitude 3.9 mb The magnitude for the event.
Longitude -158.2161° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 54.7671° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 19.8 km Depth of the event in kilometers.
Place 140 km SSE of Perryville, 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 13:49:06 Time when the event occurred. UTC/GMT
Updated 2020-07-29 13:04:22 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 ,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 0.797 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.69 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 95 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 us7000at3a Id of event.
Event Code 7000at3a An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak0209dlnynj,us7000at3a, A comma-separated list of event ids that are associated to an event.

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