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Moderate earthquake 5.5 mag, 93 km SSW of Adak, Alaska

Posted by admin on May 8, 2017 0 Comments

Earthquake location 51.0678S, -177.018WA moderate earthquake with magnitude 5.5 (ml/mb) was reported 93 km SSW of Adak, Alaska (58 miles) on Monday. Exact location of earthquake, -177.018° West, 51.0678° North, depth 41.1 km. A tsunami warning has been issued near Adak in Alaska (Does not indicate if a tsunami actually did or will exist). Event ids that are associated to the earthquake: at00opn4gh, ak15987011. Id of event: ak15987011. The temblor was picked up at 03:31:28 / 3:31 am (local time epicenter). Global date and time of event UTC/GMT: 08/05/17 / 2017-05-08 15:31:28 / May 8, 2017 @ 3:31 pm. The earthquake was roughly at a depth of 41.1 km (26 miles).

In the past 24 hours, there have been two, in the last 10 days five, in the past 30 days eight and in the last 365 days one hundred and eighty-one earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures. There are an estimated 1320 moderate quakes in the world each year.

Did you feel anything?

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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 93 km SSW of Adak, Alaska.

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More information

Parameter Value Description
Magnitude 5.5 mb The magnitude for the event.
Longitude -177.018° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.0678° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 41.1 km Depth of the event in kilometers.
Place 93km SSW of Adak, 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 15:31:28 Time when the event occurred. UTC/GMT
Updated 2017-05-08 15:46:35 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 3.5 The maximum estimated instrumental intensity for the event.
Alert Level green 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 1 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 465 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 ,at,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 0.65 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 ak15987011 Id of event.
Event Code 15987011 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00opn4gh,ak15987011, A comma-separated list of event ids that are associated to an event.

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