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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.3 mag, 76 km SSW of Nikolski, Alaska

Posted by admin on July 31, 2015 0 Comments

Earthquake location 52.2959S, -169.2603WA light earthquake with magnitude 4.3 (ml/mb) was reported 76 km SSW of Nikolski, Alaska (47 miles) on Sunday. The earthquake occurred at a depth of 23.6 km (15 miles). The temblor was reported at 18:12:15 / 6:12 pm (local time epicenter). Exact location of event, depth 23.6 km, -169.2603° West, 52.2959° North. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global time and date of event 27/07/15 / 2015-07-27 05:12:15 / July 27, 2015 @ 5:12 am UTC/GMT. Unique identifier: ak11657470. Ids that are associated to the event: ak11657470.

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light quakes in the world. In the past 24 hours, there have been ninety-one, in the last 10 days ninety-four, in the past 30 days ninety-eight and in the last 365 days one hundred and eighty-four earthquakes of magnitude 3.0 or greater that has occurred nearby.

Did you feel it?

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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 76 km SSW of Nikolski, Alaska.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -169.2603° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.2959° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 23.6 km Depth of the event in kilometers.
Place 76km 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 2015-07-27 05:12:15 Time when the event occurred. UTC/GMT
Updated 2015-07-31 01:42:43 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 284 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 40 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 0.67 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 205.199983584 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 ak11657470 Id of event.
Event Code 11657470 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak11657470, A comma-separated list of event ids that are associated to an event.

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