Light earthquake: M4.1 quake has struck near Alaska Peninsula

A light earthquake magnitude 4.1 (ml/mb) has occurred on Monday, Alaska Peninsula (0 miles). Exact time and date of earthquake 23/12/19 / 2019-12-23 07:11:45 / December 23, 2019 @ 7:11 am UTC/GMT. The earthquake occurred at a depth of 35 km (22 miles) below the earth’s surface. Unique identifier: us70006q3a. Ids that are associated to the event: us70006q3a. Exact location, longitude -161.0485° West, latitude 54.653° North, depth = 35 km. The 4.1-magnitude earthquake has occurred at 07:11:45 / 7:11 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Every 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. In the past 24 hours, there have been one, in the last 10 days three, in the past 30 days five and in the last 365 days seventy-six earthquakes of magnitude 3.0 or greater that has occurred nearby.

Did you feel it?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. 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: Alaska Peninsula.

Alaska Peninsula

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Parameter	Value	Description
Magnitude	4.1 mb	The magnitude for the event.
Longitude	-161.0485° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	54.653° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	35 km	Depth of the event in kilometers.
Place	Alaska Peninsula	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2019-12-23 07:11:45	Time when the event occurred. UTC/GMT
Updated	2019-12-23 08:01:12	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	259	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	0.771	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	1.14 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	181	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	us70006q3a	Id of event.
Event Code	70006q3a	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us70006q3a,	A comma-separated list of event ids that are associated to an event.

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Light earthquake: M4.1 quake has struck near Alaska Peninsula

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