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Minor earthquake, 3.1 mag was detected near Semisopochnoi Island in Alaska

Posted by admin on August 15, 2019 0 Comments

Earthquake location 51.0455S, 179.2763WA minor earthquake with magnitude 3.1 (ml/mb) was detected on Tuesday, 103 km SSW of Semisopochnoi Island, Alaska (64 miles). The temblor was reported at 05:26:51 / 5:26 am (local time epicenter). Unique identifier: ak0199c0di8z. Ids that are associated to the event: ak0199c0di8z. Exact location, longitude 179.2763° East, latitude 51.0455° North, depth = 19.4 km. The epicenter of the earthquake was roughly 19.4 km (12 miles) below the earth’s surface. Exact time and date of earthquake 22/07/19 / 2019-07-22 17:26:51 / July 22, 2019 @ 5:26 pm UTC/GMT.

In the past 24 hours, there have been nine, in the last 10 days nine, in the past 30 days ten and in the last 365 days sixty-five earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage. There are an estimated 130,000 minor quakes in the world each year.

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. 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: 103 km SSW of Semisopochnoi Island, Alaska.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude 179.2763° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.0455° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 19.4 km Depth of the event in kilometers.
Place 103km SSW of Semisopochnoi Island, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2019-07-22 17:26:51 Time when the event occurred. UTC/GMT
Updated 2019-08-15 23:46:38 Time when the event was most recently updated. UTC/GMT
Timezone offset 720 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 148 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 0.42 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 ak0199c0di8z Id of event.
Event Code 0199c0di8z An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak0199c0di8z, A comma-separated list of event ids that are associated to an event.

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