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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.7 quake has struck near Attu Station in Alaska

Posted by admin on July 25, 2017 0 Comments

Earthquake location 53.7523S, 169.8857WA light earthquake with magnitude 4.7 (ml/mb) was reported 242 km WNW of Attu Station, Alaska (150 miles) on Tuesday. The temblor was detected at 10:45:10 / 10:45 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Date and time of earthquake in UTC/GMT: 17/07/17 / 2017-07-17 23:45:10 / July 17, 2017 @ 11:45 pm. Exact location of event, longitude 169.8857 East, latitude 53.7523 North, depth = 10 km. Id of earthquake: us20009z1d. Event ids that are associated: us20009z1d. The earthquake was roughly at a depth of 10 km (6 miles).

There are an estimated 13,000 light quakes in the world each year. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been twenty-three, in the last 10 days twenty-three, in the past 30 days twenty-five and in the last 365 days fourty-four earthquakes of magnitude 3.0 or greater that has struck near.

Did you feel it?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 242 km WNW of Attu Station, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.7 mb The magnitude for the event.
Longitude 169.8857° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 53.7523° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 242km WNW of Attu Station, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-07-17 23:45:10 Time when the event occurred. UTC/GMT
Updated 2017-07-25 05:16:03 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 340 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 6.213 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.99 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 149 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 us20009z1d Id of event.
Event Code 20009z1d An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20009z1d, A comma-separated list of event ids that are associated to an event.

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