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Moderate earthquake: M5.5 quake has struck near Nikolski in Alaska


Earthquake location 52.2633S, -169.5195WA moderate earthquake magnitude 5.5 (ml/mb) has struck on Thursday, 87 km SSW of Nikolski, Alaska (54 miles). Global time and date of event 06/11/15 / 2015-11-06 01:09:55 / November 6, 2015 @ 1:09 am UTC/GMT. Event id: us10003v2p. Ids that are associated to the earthquake: at00nxdckl, us10003v2p. A tsunami warning has been issued near Nikolski in Alaska (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude -169.5195 West, latitude 52.2633 North, depth = 10 km. The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface. The temblor was detected at 14:09:55 / 2:09 pm (local time epicenter).

Every year there are an estimated 1320 moderate earthquakes in the world. Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures. In the past 24 hours, there have been two, in the last 10 days five, in the past 30 days twenty-one and in the last 365 days three hundred and sixty-three earthquakes of magnitude 3.0 or greater that was reported nearby.

Did you feel the quake?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 87 km SSW of Nikolski, Alaska.

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More information

Parameter Value Description
Magnitude 5.5 mb The magnitude for the event.
Longitude -169.5195° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.2633° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 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 2015-11-06 01:09:55 Time when the event occurred. UTC/GMT
Updated 2015-11-06 01:29:01 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 3.5 The maximum estimated instrumental intensity for the event.
Alert Level green 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 1 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 465 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 ,at,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 2.412 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 61 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 us10003v2p Id of event.
Event Code 10003v2p An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00nxdckl,us10003v2p, A comma-separated list of event ids that are associated to an event.

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