Light earthquake 4 mag, 172 km SSW of Nikolski, Alaska

A light earthquake with magnitude 4 (ml/mb) was detected on Tuesday, 172 km SSW of Nikolski, Alaska (107 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, longitude -170.2612 West, latitude 51.6448 North, depth = 33.151 km. Date and time of earthquake in UTC/GMT: 29/10/24 / 2024-10-29 21:15:28 / October 29, 2024 @ 9:15 pm. Id of earthquake: us7000ns17. Event ids that are associated: us7000ns17. The temblor was picked up at 21:15:28 / 9:15 pm (local time epicenter). The epicenter was at a depth of 33.151 km (21 miles).

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

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Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 172 km SSW of Nikolski, Alaska.

Alaska Nikolski

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Parameter	Value	Description
Magnitude	4 mb	The magnitude for the event.
Longitude	-170.2612° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	51.6448° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	33.151 km	Depth of the event in kilometers.
Place	172 km 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	2024-10-29 21:15:28	Time when the event occurred. UTC/GMT
Updated	2024-11-17 05:23:41	Time when the event was most recently updated. UTC/GMT
Timezone offset		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	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	,us,	A comma-separated list of network contributors.
Number of Stations Used	25	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	1.585	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	1.32 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	225	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	us7000ns17	Id of event.
Event Code	7000ns17	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us7000ns17,	A comma-separated list of event ids that are associated to an event.

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Light earthquake 4 mag, 172 km SSW of Nikolski, Alaska

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