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Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.9 mag has occurred near Yunaska Island in Alaska



Earthquake location 51.7605S, -170.3261WA minor earthquake magnitude 3.9 (ml/mb) has occurred on Thursday, 100 km SSE of Yunaska Island, Alaska (62 miles). Exact location, longitude -170.3261° West, latitude 51.7605° North, depth = 10 km. The temblor was reported at 08:51:38 / 8:51 am (local time epicenter). The epicenter of the earthquake was roughly 10 km (6 miles) below the earth’s surface. Event ids that are associated to the earthquake: us10008tek. Id of event: us10008tek. Exact time and date of earthquake 18/05/17 / 2017-05-18 19:51:38 / May 18, 2017 @ 7:51 pm UTC/GMT.

There are an estimated 130,000 minor quakes in the world each year. In the past 24 hours, there have been ten, in the last 10 days twelve, in the past 30 days twenty-one and in the last 365 days one hundred and thirty-eight earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

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. 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: 100 km SSE of Yunaska Island, Alaska.

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More information

Parameter Value Description
Magnitude 3.9 mb The magnitude for the event.
Longitude -170.3261° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.7605° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 100km SSE 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 2017-05-18 19:51:38 Time when the event occurred. UTC/GMT
Updated 2017-06-15 16:28:48 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 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 234 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 ,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 1.097 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.1 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 216 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 us10008tek Id of event.
Event Code 10008tek An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10008tek, A comma-separated list of event ids that are associated to an event.

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