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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag was detected near Andreanof Islands, Aleutian Islands, Alaska

Posted by admin on May 24, 2017 0 Comments

Earthquake location 51.6336S, -178.3648WA light earthquake with magnitude 4.2 (ml/mb) was reported Andreanof Islands, Aleutian Islands, Alaska (0 miles) on Monday. Exact location of earthquake, longitude -178.3648 West, latitude 51.6336 North, depth = 8.7 km. Date and time of earthquake in UTC/GMT: 08/05/17 / 2017-05-08 20:22:57 / May 8, 2017 @ 8:22 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 8.7 km (5 miles) below the earth’s surface. Event id: ak15994374. Ids that are associated to the earthquake: ak15994374. The 4.2-magnitude earthquake has occurred at 20:22:57 / 8:22 pm (local time epicenter).

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

Questions or comments?

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, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: Andreanof Islands, Aleutian Islands, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -178.3648° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.6336° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 8.7 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 20:22:57 Time when the event occurred. UTC/GMT
Updated 2017-05-24 00:39:32 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 271 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 0.66 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 ak15994374 Id of event.
Event Code 15994374 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak15994374, A comma-separated list of event ids that are associated to an event.

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