Light earthquake: M4 quake has struck near Sand Point in Alaska

A light earthquake magnitude 4 (ml/mb) strikes 57 km SSE of Sand Point, Alaska (35 miles) on Wednesday. The temblor was picked up at 07:42:13 / 7:42 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, longitude -160.2298 West, latitude 54.839 North, depth = 27.28 km. The epicenter was at a depth of 27.28 km (17 miles). Date and time of earthquake in UTC/GMT: 22/07/20 / 2020-07-22 07:42:13 / July 22, 2020 @ 7:42 am. Event id: us7000asxh. Ids that are associated to the earthquake: us7000asxh.

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been eleven, in the last 10 days twelve, in the past 30 days fourteen and in the last 365 days sixty-eight earthquakes of magnitude 3.0 or greater that have been detected in the same area. Each year there are an estimated 13,000 light earthquakes in the world.

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 57 km SSE of Sand Point, Alaska. This data comes from the USGS Earthquake Notification Service.

Alaska Sand Point

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Parameter	Value	Description
Magnitude	4 mb	The magnitude for the event.
Longitude	-160.2298° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	54.839° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	27.28 km	Depth of the event in kilometers.
Place	57 km SSE of Sand Point, Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2020-07-22 07:42:13	Time when the event occurred. UTC/GMT
Updated	2020-07-22 09:06:23	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	246	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	0.37	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.87 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	166	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	us7000asxh	Id of event.
Event Code	7000asxh	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us7000asxh,	A comma-separated list of event ids that are associated to an event.

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Light earthquake: M4 quake has struck near Sand Point in Alaska

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