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Light earthquake 4 mag, 48 km SSW of Nikolski, Alaska

Posted by admin on August 10, 2017 0 Comments

Earthquake location 52.5256S, -169.0758WA light earthquake magnitude 4 (ml/mb) has occurred on Wednesday, 48 km SSW of Nikolski, Alaska (30 miles). Exact time and date of earthquake 09/08/17 / 2017-08-09 13:52:39 / August 9, 2017 @ 1:52 pm UTC/GMT. The temblor was reported at 02:52:39 / 2:52 am (local time epicenter). Event ids that are associated to the earthquake: ak16489558, us2000a6ph. Id of event: us2000a6ph. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 40.5 km (25 miles) below the earth’s surface. Exact location of event, longitude -169.0758 West, latitude 52.5256 North, depth = 40.5 km.

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. There are an estimated 13,000 light quakes in the world each year. In the past 24 hours, there have been ten, in the last 10 days eleven, in the past 30 days sixteen and in the last 365 days one hundred and eight earthquakes of magnitude 3.0 or greater that has occurred nearby.

Did you feel the quake?

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: 48 km SSW of Nikolski, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -169.0758° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.5256° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 40.5 km Depth of the event in kilometers.
Place 48km SSW of Nikolski, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-08-09 13:52:39 Time when the event occurred. UTC/GMT
Updated 2017-08-10 06:34:36 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 3.06 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 246 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 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.18 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 mb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us2000a6ph Id of event.
Event Code 2000a6ph An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak16489558,us2000a6ph, A comma-separated list of event ids that are associated to an event.

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