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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake 3.9 mag, 31 km ESE of Atka, Alaska


Earthquake location 52.054S, -173.7953WA minor earthquake with magnitude 3.9 (ml/mb) was reported 31 km ESE of Atka, Alaska (19 miles) on Saturday. Exact time and date of earthquake 17/03/18 / 2018-03-17 12:43:34 / March 17, 2018 @ 12:43 pm UTC/GMT. Exact location of earthquake, -173.7953° West, 52.054° North, depth 79.12 km. Event id: us1000d5mp. Ids that are associated to the earthquake: us1000d5mp. The earthquake occurred at a depth of 79.12 km (49 miles). The temblor was detected at 02:43:34 / 2:43 am (local time epicenter).

Each year there are an estimated 130,000 minor quakes in the world. In the past 24 hours, there have been one, in the last 10 days five, in the past 30 days nine and in the last 365 days one hundred and thirty-six earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

Questions or comments?

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. 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: 31 km ESE of Atka, Alaska.

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More information

Parameter Value Description
Magnitude 3.9 mb The magnitude for the event.
Longitude -173.7953° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.054° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 79.12 km Depth of the event in kilometers.
Place 31km ESE of Atka, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-03-17 12:43:34 Time when the event occurred. UTC/GMT
Updated 2018-03-17 12:56:45 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 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 0.288 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.29 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 186 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 us1000d5mp Id of event.
Event Code 1000d5mp An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000d5mp, A comma-separated list of event ids that are associated to an event.

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