Light earthquake, 4.3 mag has occurred near Healy in Alaska

A light earthquake magnitude 4.3 (ml/mb) strikes 14 km WNW of Healy, Alaska (9 miles) on Saturday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 11.6 km (7 miles). Unique identifier: ak17749651. Ids that are associated to the event: ak17749651. Exact time and date of event in UTC/GMT: 30/12/17 / 2017-12-30 11:43:18 / December 30, 2017 @ 11:43 am. Exact location of earthquake, -149.2485° West, 63.9049° North, depth 11.6 km. The 4.3-magnitude earthquake was detected at 02:43:18 / 2:43 am (local time epicenter).

In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days two and in the last 365 days twenty-five earthquakes of magnitude 3.0 or greater that have been detected in the same area. 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.

Did you feel it?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home 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: 14 km WNW of Healy, Alaska.

Alaska Healy

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Parameter	Value	Description
Magnitude	4.3 mb	The magnitude for the event.
Longitude	-149.2485° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	63.9049° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	11.6 km	Depth of the event in kilometers.
Place	14km WNW of Healy, Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2017-12-30 11:43:18	Time when the event occurred. UTC/GMT
Updated	2017-12-30 11:57:07	Time when the event was most recently updated. UTC/GMT
Timezone offset	-540	Timezone offset from UTC in minutes at the event epicenter.
Felt	4	The total number of felt reports
CDI	4.6	The maximum reported intensity for the event.
MMI	4.48	The maximum estimated instrumental intensity for the event.
Alert Level	green	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	286	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	0.96 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	ak17749651	Id of event.
Event Code	17749651	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak17749651,	A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4.3 mag has occurred near Healy in Alaska

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