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Moderate earthquake: M5.2 quake has struck near Adak in Alaska

Posted by admin on February 16, 2018 0 Comments

Earthquake location 51.7336S, -176.8422WA moderate earthquake magnitude 5.2 (ml/mb) has occurred on Thursday, 20 km SW of Adak, Alaska (12 miles). The temblor was reported at 14:00:15 / 2:00 pm (local time epicenter). Date and time of earthquake in UTC/GMT: 16/02/18 / 2018-02-16 00:00:15 / February 16, 2018 @ 12:00 am. The earthquake occurred at a depth of 56.93 km (35 miles). Exact location of earthquake, longitude -176.8422 West, latitude 51.7336 North, depth = 56.93 km. A tsunami warning has been issued near Adak in Alaska (Does not indicate if a tsunami actually did or will exist). Id of earthquake: us2000d2yz. Event ids that are associated: at00p47uof, ak18437406, us2000d2yz.

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

Did you feel it?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 20 km SW of Adak, Alaska.

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More information

Parameter Value Description
Magnitude 5.2 mb The magnitude for the event.
Longitude -176.8422° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.7336° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 56.93 km Depth of the event in kilometers.
Place 20km SW 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 2018-02-16 00:00:15 Time when the event occurred. UTC/GMT
Updated 2018-02-16 00:19:11 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 3.54 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 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 416 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 ,at,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 0.178 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.95 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 94 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 us2000d2yz Id of event.
Event Code 2000d2yz An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00p47uof,ak18437406,us2000d2yz, A comma-separated list of event ids that are associated to an event.

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