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Minor earthquake 3 mag, 43 km SW of Tanaga Volcano, Alaska



Earthquake location 51.5916S, -178.554WA minor earthquake magnitude 3 (ml/mb) strikes 43 km SW of Tanaga Volcano, Alaska (27 miles) on Sunday. The temblor was detected at 14:38:16 / 2:38 pm (local time epicenter). Exact time and date of earthquake 11/09/17 / 2017-09-11 00:38:16 / September 11, 2017 @ 12:38 am UTC/GMT. Exact location of event, depth 17.56 km, -178.554° West, 51.5916° North. Unique identifier: us2000amxb. Ids that are associated to the event: ak16806752, us2000amxb. The earthquake occurred at a depth of 17.56 km (11 miles) below the earth’s surface.

Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage. There are an estimated 130,000 minor earthquakes in the world each year. In the past 24 hours, there have been five, in the last 10 days nine, in the past 30 days twenty-one and in the last 365 days seven hundred and one earthquakes of magnitude 3.0 or greater that have been detected in the same area.

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 43 km SW of Tanaga Volcano, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3 mb The magnitude for the event.
Longitude -178.554° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.5916° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 17.56 km Depth of the event in kilometers.
Place 43km SW 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 2017-09-11 00:38:16 Time when the event occurred. UTC/GMT
Updated 2017-09-18 04:17:15 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 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 138 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 0.217 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.84 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 184 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type ml The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us2000amxb Id of event.
Event Code 2000amxb An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak16806752,us2000amxb, A comma-separated list of event ids that are associated to an event.

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