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Light earthquake: M4 quake has struck near Andreanof Islands, Aleutian Islands, Alaska

Posted by admin on May 24, 2017 0 Comments

Earthquake location 51.6054S, -178.4684WA light earthquake with magnitude 4 (ml/mb) was reported Andreanof Islands, Aleutian Islands, Alaska (0 miles) on Monday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4-magnitude earthquake was detected at 21:24:51 / 9:24 pm (local time epicenter). Exact location of event, longitude -178.4684 West, latitude 51.6054 North, depth = 6.6 km. Date and time of earthquake in UTC/GMT: 08/05/17 / 2017-05-08 21:24:51 / May 8, 2017 @ 9:24 pm. Id of earthquake: ak15995873. Event ids that are associated: ak15995873. The epicenter was at a depth of 6.6 km (4 miles).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Every year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been two hundred and twenty-nine, in the last 10 days two hundred and eighty-seven, in the past 30 days two hundred and ninety-two and in the last 365 days four hundred and eighteen earthquakes of magnitude 3.0 or greater that has struck near.

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: Andreanof Islands, Aleutian Islands, Alaska.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -178.4684° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.6054° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 6.6 km Depth of the event in kilometers.
Place Andreanof Islands, Aleutian Islands, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-05-08 21:24:51 Time when the event occurred. UTC/GMT
Updated 2017-05-24 00:40:06 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 246 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network ak The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,ak, 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 0.4 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 ml The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID ak15995873 Id of event.
Event Code 15995873 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak15995873, A comma-separated list of event ids that are associated to an event.

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