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Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.5 mag strikes near Nikolski in Alaska


Earthquake location 51.987S, -169.2584WA minor earthquake with magnitude 3.5 (ml/mb) was detected on Wednesday, 109 km SSW of Nikolski, Alaska (68 miles). Global time and date of event 29/07/15 / 2015-07-29 17:18:06 / July 29, 2015 @ 5:18 pm UTC/GMT. The temblor was detected at 06:18:06 / 6:18 am (local time epicenter). The earthquake occurred at a depth of 39.2 km (24 miles). Event ids that are associated to the earthquake: ak11663142. Id of event: ak11663142. Exact location of earthquake, -169.2584° West, 51.987° North, depth 39.2 km.

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. In the past 24 hours, there have been fourty-three, in the last 10 days one hundred and thirty-six, in the past 30 days one hundred and fourty and in the last 365 days two hundred and nineteen earthquakes of magnitude 3.0 or greater that has struck near. Every year there are an estimated 130,000 minor earthquakes in the world.

How would you describe the shaking?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. 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: 109 km SSW of Nikolski, Alaska.

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More information

Parameter Value Description
Magnitude 3.5 mb The magnitude for the event.
Longitude -169.2584° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.987° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 39.2 km Depth of the event in kilometers.
Place 109km SSW of Nikolski, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-07-29 17:18:06 Time when the event occurred. UTC/GMT
Updated 2015-08-04 01:02:20 Time when the event was most recently updated. UTC/GMT
Timezone offset -660 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 188 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network ak The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,ak, A comma-separated list of network contributors.
Number of Stations Used 36 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.45 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 ak11663142 Id of event.
Event Code 11663142 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak11663142, A comma-separated list of event ids that are associated to an event.

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