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Strong earthquake 6.3 mag, 45 km SSE of Tanaga Volcano, Alaska


Earthquake location 51.5106S, -177.881WA earthquake with magnitude 6.3 (ml/mb) was reported 45 km SSE of Tanaga Volcano, Alaska (28 miles) on Wednesday. All ids that are associated to the event: at00pdw9ys, us1000gfvg. Unique identifier: us1000gfvg. The temblor was detected at 17:35:15 / 5:35 pm (local time epicenter). Global date and time of event UTC/GMT: 23/08/18 / 2018-08-23 03:35:15 / August 23, 2018 @ 3:35 am. Exact location of earthquake, -177.881° West, 51.5106° North, depth 43.91 km. A tsunami warning has been issued near Tanaga Volcano in Alaska (Does not indicate if a tsunami actually did or will exist). The epicenter was at a depth of 43.91 km (27 miles).

There are an estimated 135 earthquakes in the world each year. Earthquakes 6.0 to 6.9 may cause a lot of damage in very populated areas. In the past 24 hours, there have been one, in the last 10 days ten, in the past 30 days twenty-one and in the last 365 days one hundred and eighty-eight earthquakes of magnitude 3.0 or greater that have been detected nearby.

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: 45 km SSE of Tanaga Volcano, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 6.3 mb The magnitude for the event.
Longitude -177.881° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.5106° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 43.91 km Depth of the event in kilometers.
Place 45km SSE of Tanaga Volcano, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-08-23 03:35:15 Time when the event occurred. UTC/GMT
Updated 2018-08-23 03:49:17 Time when the event was most recently updated. UTC/GMT
Timezone offset -600 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 5.15 The maximum estimated instrumental intensity for the event.
Alert Level green 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 1 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 611 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 ,at,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 0.567 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.72 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 67 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mww The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us1000gfvg Id of event.
Event Code 1000gfvg An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00pdw9ys,us1000gfvg, A comma-separated list of event ids that are associated to an event.

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