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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag has occurred near Nikolski in Alaska

Posted by admin on August 18, 2015 0 Comments

Earthquake location 52.2307S, -169.425WA light earthquake with magnitude 4 (ml/mb) was reported 87 km SSW of Nikolski, Alaska (54 miles) on Sunday. Event id: us10002wiq. Ids that are associated to the earthquake: ak11657310, us10002wiq. Global time and date of event 27/07/15 / 2015-07-27 01:39:22 / July 27, 2015 @ 1:39 am UTC/GMT. Exact location of earthquake, longitude -169.425 West, latitude 52.2307 North, depth = 37.46 km. The temblor was reported at 14:39:22 / 2:39 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 37.46 km (23 miles) below the earth’s surface.

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

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 87 km SSW of Nikolski, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -169.425° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.2307° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 37.46 km Depth of the event in kilometers.
Place 87km 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 01:39:22 Time when the event occurred. UTC/GMT
Updated 2015-08-17 05:55:05 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 246 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 ,ak,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 0.585 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.88 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 214 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 us10002wiq Id of event.
Event Code 10002wiq An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak11657310,us10002wiq, A comma-separated list of event ids that are associated to an event.

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