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Strong earthquake: M6.1 quake has struck near Attu Station in Alaska



Earthquake location 52.771S, 172.082WA earthquake magnitude 6.1 (ml/mb) has struck on Monday, 74 km W of Attu Station, Alaska (46 miles). The 6.1-magnitude earthquake has occurred at 21:50:24 / 9:50 pm (local time epicenter). Exact location of earthquake, longitude 172.082 East, latitude 52.771 North, depth = 50 km. The epicenter of the earthquake was roughly 50 km (31 miles) below the earth’s surface. Date and time of earthquake in UTC/GMT: 27/03/17 / 2017-03-27 10:50:24 / March 27, 2017 @ 10:50 am. Event id: at00ongzg0. Ids that are associated to the earthquake: at00ongzg0. A tsunami warning has been issued near Attu Station in Alaska (Does not indicate if a tsunami actually did or will exist).

Each year there are an estimated 135 quakes in the world. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days two and in the last 365 days twelve earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 6.0 to 6.9 may cause a lot of damage in very populated areas.

Did you feel the quake?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 74 km W of Attu Station, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 6.1 mb The magnitude for the event.
Longitude 172.082° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.771° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 50 km Depth of the event in kilometers.
Place 74km W of Attu Station, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-03-27 10:50:24 Time when the event occurred. UTC/GMT
Updated 2017-03-27 10:57:44 Time when the event was most recently updated. UTC/GMT
Timezone offset 660 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 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 572 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network at The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,at, A comma-separated list of network contributors.
Number of Stations Used 92 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.227099 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.07 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 151.199987904 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type Mi The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID at00ongzg0 Id of event.
Event Code 00ongzg0 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00ongzg0, A comma-separated list of event ids that are associated to an event.

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