Major earthquake, 7.8 mag has occurred near Perryville in Alaska

A major earthquake magnitude 7.8 (ml/mb) has struck on Wednesday, 98 km SSE of Perryville, Alaska (61 miles). The earthquake occurred at a depth of 10 km (6 miles). Exact location, longitude -158.4765° West, latitude 55.1079° North, depth = 10 km. Exact time and date of earthquake 22/07/20 / 2020-07-22 06:12:42 / July 22, 2020 @ 6:12 am UTC/GMT. A tsunami warning has been issued near Perryville in Alaska (Does not indicate if a tsunami actually did or will exist). Id of earthquake: us7000asvb. Event ids that are associated: at00qdux98, us7000asvb. The temblor was reported at 06:12:42 / 6:12 am (local time epicenter).

Earthquakes 7.0 to 7.9 may cause serious damage. Every year there are an estimated 15 major earthquakes in the world. In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days three and in the last 365 days thirty-nine earthquakes of magnitude 3.0 or greater that has occurred nearby.

Did you feel it?

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. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 98 km SSE of Perryville, Alaska.

Alaska Perryville

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Parameter	Value	Description
Magnitude	7.8 mb	The magnitude for the event.
Longitude	-158.4765° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	55.1079° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	10 km	Depth of the event in kilometers.
Place	98 km SSE of Perryville, 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 06:12:42	Time when the event occurred. UTC/GMT
Updated	2020-07-22 06:30:47	Time when the event was most recently updated. UTC/GMT
Timezone offset		Timezone offset from UTC in minutes at the event epicenter.
Felt	25	The total number of felt reports
CDI	6	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	1	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	951	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	,at,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	0.699	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	1.43 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	64	The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	mww	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	us7000asvb	Id of event.
Event Code	7000asvb	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,at00qdux98,us7000asvb,	A comma-separated list of event ids that are associated to an event.

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Major earthquake, 7.8 mag has occurred near Perryville in Alaska

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