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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.7 mag has occurred near Nikolski in Alaska

Earthquake location 52.3072S, -169.3387WA light earthquake with magnitude 4.7 (ml/mb) was detected on Sunday, 77 km SSW of Nikolski, Alaska (48 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter of the earthquake was roughly 27.35 km (17 miles) below the earth’s surface. Exact location of earthquake, longitude -169.3387 West, latitude 52.3072 North, depth = 27.35 km. Exact time and date of earthquake 27/07/15 / 2015-07-27 10:54:28 / July 27, 2015 @ 10:54 am UTC/GMT. All ids that are associated to the event: us200030cv. Unique identifier: us200030cv. The 4.7-magnitude earthquake has occurred at 23:54:28 / 11:54 pm (local time epicenter).

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

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 77 km SSW of Nikolski, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.7 mb The magnitude for the event.
Longitude -169.3387° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.3072° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 27.35 km Depth of the event in kilometers.
Place 77km 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 10:54:28 Time when the event occurred. UTC/GMT
Updated 2015-07-27 12:31:59 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 340 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 0.728 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.07 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 105 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 us200030cv Id of event.
Event Code 200030cv An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us200030cv, A comma-separated list of event ids that are associated to an event.

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