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Light earthquake: M4.3 quake has struck near Tanaga Volcano in Alaska

Posted by admin on December 16, 2018 0 Comments

Earthquake location 52.4496S, -179.1176WA light earthquake magnitude 4.3 (ml/mb) has struck on Friday, 91 km NW of Tanaga Volcano, Alaska (57 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was reported at 17:13:38 / 5:13 pm (local time epicenter). Global time and date of event 17/11/18 / 2018-11-17 05:13:38 / November 17, 2018 @ 5:13 am UTC/GMT. The epicenter of the earthquake was roughly 242.71 km (151 miles) below the earth’s surface. Event ids that are associated to the earthquake: ak20370219, us1000hvu8. Id of event: us1000hvu8. Exact location, longitude -179.1176° West, latitude 52.4496° North, depth = 242.71 km.

In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days six and in the last 365 days sixty-one earthquakes of magnitude 3.0 or greater that was reported nearby. 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.

How would you describe the shaking?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 91 km NW of Tanaga Volcano, Alaska.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -179.1176° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.4496° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 242.71 km Depth of the event in kilometers.
Place 91km NW 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 2018-11-17 05:13:38 Time when the event occurred. UTC/GMT
Updated 2018-12-16 08:46:59 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 284 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 0.666 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.75 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 110 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 us1000hvu8 Id of event.
Event Code 1000hvu8 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak20370219,us1000hvu8, A comma-separated list of event ids that are associated to an event.

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