Light earthquake, 4 mag was detected near Chirik

A light earthquake with magnitude 4 (ml/mb) was reported 64 km ENE of Chirikof Island, Alaska (40 miles) on Monday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, depth 24.7 km, -154.6179° West, 55.9585° North. The 4-magnitude earthquake was detected at 04:56:09 / 4:56 am (local time epicenter). Event id: ak0205qyugyu. Ids that are associated to the earthquake: ak0205qyugyu. Global time and date of event 04/05/20 / 2020-05-04 14:56:09 / May 4, 2020 @ 2:56 pm UTC/GMT. The earthquake was roughly at a depth of 24.7 km (15 miles).

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

Questions or comments?

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 data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 64 km ENE of Chirikof Island, Alaska.

Chirik

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Parameter	Value	Description
Magnitude	4 mb	The magnitude for the event.
Longitude	-154.6179° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	55.9585° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	24.7 km	Depth of the event in kilometers.
Place	64km ENE of Chirikof Island, Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2020-05-04 14:56:09	Time when the event occurred. UTC/GMT
Updated	2020-05-04 15:00:58	Time when the event was most recently updated. UTC/GMT
Timezone offset	-600	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	automatic	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	ak	The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources	,ak,	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		Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.79 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap		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	ak0205qyugyu	Id of event.
Event Code	0205qyugyu	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak0205qyugyu,	A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4 mag was detected near Chirik

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