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Light earthquake: M4.3 quake has struck near Amukta Island in Alaska

Posted by admin on September 7, 2018 0 Comments

Earthquake location 51.8135S, -171.2698WA light earthquake with magnitude 4.3 (ml/mb) was detected on Thursday, 75 km S of Amukta Island, Alaska (47 miles). Global time and date of event 07/09/18 / 2018-09-07 07:30:16 / September 7, 2018 @ 7:30 am UTC/GMT. The earthquake occurred at a depth of 46.8 km (29 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location, longitude -171.2698° West, latitude 51.8135° North, depth = 46.8 km. The temblor was reported at 20:30:16 / 8:30 pm (local time epicenter). Event id: us2000ha64. Ids that are associated to the earthquake: us2000ha64.

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days five and in the last 365 days one hundred and fifty-two earthquakes of magnitude 3.0 or greater that was reported nearby. Each year there are an estimated 13,000 light quakes in the world.

How would you describe the shaking?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city 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: 75 km S of Amukta Island, Alaska.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -171.2698° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.8135° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 46.8 km Depth of the event in kilometers.
Place 75km S of Amukta 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 2018-09-07 07:30:16 Time when the event occurred. UTC/GMT
Updated 2018-09-07 07:49:04 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 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 ,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 1.317 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.26 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 113 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 us2000ha64 Id of event.
Event Code 2000ha64 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000ha64, A comma-separated list of event ids that are associated to an event.

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