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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.1 mag was detected near Nikolski in Alaska



Earthquake location 52.6535S, -169.3346WA light earthquake with magnitude 4.1 (ml/mb) was reported 44 km SW of Nikolski, Alaska (27 miles) on Friday. Exact time and date of event in UTC/GMT: 11/08/17 / 2017-08-11 14:39:16 / August 11, 2017 @ 2:39 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was reported at 04:39:16 / 4:39 am (local time epicenter). Event id: us2000a7aj. Ids that are associated to the earthquake: us2000a7aj. Exact location, longitude -169.3346° West, latitude 52.6535° North, depth = 58.48 km. The epicenter was at a depth of 58.48 km (36 miles).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days eleven, in the past 30 days seventeen and in the last 365 days one hundred and eighteen earthquakes of magnitude 3.0 or greater that has struck near. There are an estimated 13,000 light quakes in the world each year.

Questions or comments?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 44 km SW of Nikolski, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude -169.3346° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.6535° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 58.48 km Depth of the event in kilometers.
Place 44km SW 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 2017-08-11 14:39:16 Time when the event occurred. UTC/GMT
Updated 2017-08-11 14:54:57 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 259 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 0.381 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.33 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 179 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 us2000a7aj Id of event.
Event Code 2000a7aj An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000a7aj, A comma-separated list of event ids that are associated to an event.

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