Light earthquake, 4 mag strikes near Chignik Lake in Alaska

A light earthquake magnitude 4 (ml/mb) has occurred on Sunday, 32 km WNW of Chignik Lake, Alaska (20 miles). The epicenter was at a depth of 13.7 km (9 miles). Global date and time of event UTC/GMT: 18/05/20 / 2020-05-18 05:18:22 / May 18, 2020 @ 5:18 am. The temblor was reported at 20:18:22 / 8:18 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event ids that are associated to the earthquake: ak0206dysb5o. Id of event: ak0206dysb5o. Exact location of event, longitude -159.2646 West, latitude 56.3407 North, depth = 13.7 km.

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days one and in the last 365 days nine 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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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, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 32 km WNW of Chignik Lake, Alaska. This information comes from the USGS Earthquake Notification Service.

Alaska Chignik Lake

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Parameter	Value	Description
Magnitude	4 mb	The magnitude for the event.
Longitude	-159.2646° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	56.3407° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	13.7 km	Depth of the event in kilometers.
Place	32km WNW of Chignik Lake, Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2020-05-18 05:18:22	Time when the event occurred. UTC/GMT
Updated	2020-05-18 05:26:13	Time when the event was most recently updated. UTC/GMT
Timezone offset	-540	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	4.11	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	0.84 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	ak0206dysb5o	Id of event.
Event Code	0206dysb5o	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak0206dysb5o,	A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4 mag strikes near Chignik Lake in Alaska

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