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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.3 mag was detected near Nikolski in Alaska



Earthquake location 52.3741S, -169.5314WA light earthquake with magnitude 4.3 (ml/mb) was reported 77 km SW of Nikolski, Alaska (48 miles) on Saturday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.3-magnitude earthquake has occurred at 13:32:52 / 1:32 pm (local time epicenter). Date and time of earthquake in UTC/GMT: 18/10/15 / 2015-10-18 00:32:52 / October 18, 2015 @ 12:32 am. Event ids that are associated to the earthquake: us10003pfz. Id of event: us10003pfz. Exact location, longitude -169.5314° West, latitude 52.3741° North, depth = 43.2 km. The epicenter was at a depth of 43.2 km (27 miles).

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, in the last 10 days five, in the past 30 days thirteen and in the last 365 days three hundred and fifty-two earthquakes of magnitude 3.0 or greater that has struck near.

How would you describe the shaking?

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 77 km SW of Nikolski, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -169.5314° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.3741° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 43.2 km Depth of the event in kilometers.
Place 77km SW 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 2015-10-18 00:32:52 Time when the event occurred. UTC/GMT
Updated 2015-10-18 00:55:35 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 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 0.727 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.73 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 us10003pfz Id of event.
Event Code 10003pfz An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10003pfz, A comma-separated list of event ids that are associated to an event.

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