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Minor earthquake, 2.9 mag was detected near Chernabura Island in Alaska

Posted by admin on July 26, 2018 0 Comments

Earthquake location 54.4555S, -160.7203WA minor earthquake with magnitude 2.9 (ml/mb) was detected on Saturday, 83 km WSW of Chernabura Island, Alaska (52 miles). Exact time and date of event in UTC/GMT: 21/07/18 / 2018-07-21 11:48:39 / July 21, 2018 @ 11:48 am. Exact location, longitude -160.7203° West, latitude 54.4555° North, depth = 1.4 km. The epicenter of the earthquake was roughly 1.4 km (1 miles) below the earth’s surface. Event ids that are associated to the earthquake: ak19931570. Id of event: ak19931570. The temblor was picked up at 00:48:39 / 12:48 am (local time epicenter).

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

How would you describe the shaking?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 83 km WSW of Chernabura Island, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.9 mb The magnitude for the event.
Longitude -160.7203° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 54.4555° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 1.4 km Depth of the event in kilometers.
Place 83km WSW of Chernabura 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 2018-07-21 11:48:39 Time when the event occurred. UTC/GMT
Updated 2018-07-25 22:53:36 Time when the event was most recently updated. UTC/GMT
Timezone offset -660 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 129 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 0.53 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 ak19931570 Id of event.
Event Code 19931570 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak19931570, A comma-separated list of event ids that are associated to an event.

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