Minor earthquake: M3.3 quake has struck near Chiniak in Alaska

A minor earthquake with magnitude 3.3 (ml/mb) was detected on Friday, 212 km SE of Chiniak, Alaska (132 miles). The 3.3-magnitude earthquake was detected at 18:40:43 / 6:40 pm (local time epicenter). Exact location of event, longitude -149.3397 West, latitude 56.5679 North, depth = 19.95 km. All ids that are associated to the event: ak024cs2cxsn, us6000nwl2. Unique identifier: us6000nwl2. Global time and date of event 04/10/24 / 2024-10-04 18:40:43 / October 4, 2024 @ 6:40 pm UTC/GMT. The earthquake was roughly at a depth of 19.95 km (12 miles).

In the past 24 hours, there have been two, in the last 10 days four, in the past 30 days five and in the last 365 days twenty earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage. Every year there are an estimated 130,000 minor earthquakes in the world.

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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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 212 km SE of Chiniak, Alaska. This data comes from the USGS Earthquake Notification Service.

Alaska Chiniak

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Parameter	Value	Description
Magnitude	3.3 mb	The magnitude for the event.
Longitude	-149.3397° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	56.5679° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	19.95 km	Depth of the event in kilometers.
Place	212 km SE of Chiniak, Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2024-10-04 18:40:43	Time when the event occurred. UTC/GMT
Updated	2024-10-04 20:53:23	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	168	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	42	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	2.145	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.55 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	191	The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	ml	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	us6000nwl2	Id of event.
Event Code	6000nwl2	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak024cs2cxsn,us6000nwl2,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake: M3.3 quake has struck near Chiniak in Alaska

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