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Light earthquake 4.3 mag, 70 km SSW of Nikolski, Alaska

Posted by admin on July 28, 2015 0 Comments

Earthquake location 52.3779S, -169.3631WA light earthquake magnitude 4.3 (ml/mb) has struck on Sunday, 70 km SSW of Nikolski, Alaska (43 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of earthquake 27/07/15 / 2015-07-27 01:15:02 / July 27, 2015 @ 1:15 am UTC/GMT. The temblor was picked up at 14:15:02 / 2:15 pm (local time epicenter). Event id: us2000309g. Ids that are associated to the earthquake: ak11657292, us2000309g. The earthquake occurred at a depth of 22.12 km (14 miles) below the earth’s surface. Exact location of event, depth 22.12 km, -169.3631° West, 52.3779° North.

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been thirty-two, in the last 10 days thirty-five, in the past 30 days fourty and in the last 365 days one hundred and twenty-eight earthquakes of magnitude 3.0 or greater that have been detected in the same area. Every year there are an estimated 13,000 light earthquakes in the world.

Questions or comments?

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: 70 km SSW of Nikolski, Alaska.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -169.3631° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.3779° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 22.12 km Depth of the event in kilometers.
Place 70km 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 01:15:02 Time when the event occurred. UTC/GMT
Updated 2015-07-28 01:10:02 Time when the event was most recently updated. UTC/GMT
Timezone offset -660 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 284 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 0.67 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.68 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 177 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 us2000309g Id of event.
Event Code 2000309g An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak11657292,us2000309g, A comma-separated list of event ids that are associated to an event.

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