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Moderate earthquake 5 mag, 71 km S of Yunaska Island, Alaska



Earthquake location 51.992S, -170.552WA moderate earthquake magnitude 5 (ml/mb) has struck on Saturday, 71 km S of Yunaska Island, Alaska (44 miles). The earthquake occurred at a depth of 39 km (24 miles). A tsunami warning has been issued near Yunaska Island in Alaska (Does not indicate if a tsunami actually did or will exist). Event id: at00opjtk8. Ids that are associated to the earthquake: at00opjtk8, ak15945939. The temblor was picked up at 09:43:20 / 9:43 am (local time epicenter). Exact location of earthquake, longitude -170.552 West, latitude 51.992 North, depth = 39 km. Exact time and date of event in UTC/GMT: 06/05/17 / 2017-05-06 20:43:20 / May 6, 2017 @ 8:43 pm.

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

How would you describe the shaking?

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 data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 71 km S of Yunaska Island, Alaska.

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More information

Parameter Value Description
Magnitude 5 mb The magnitude for the event.
Longitude -170.552° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.992° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 39 km Depth of the event in kilometers.
Place 71km S of Yunaska Island, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-05-06 20:43:20 Time when the event occurred. UTC/GMT
Updated 2017-05-06 20:52:28 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 2.83 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 385 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,ak, A comma-separated list of network contributors.
Number of Stations Used 21 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 2.142482 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.89 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 208.799983296 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 at00opjtk8 Id of event.
Event Code 00opjtk8 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00opjtk8,ak15945939, A comma-separated list of event ids that are associated to an event.

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