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Light earthquake, 4.9 mag was detected near Perryville in Alaska

Posted by admin on September 25, 2020 0 Comments

Earthquake location 55.0499S, -158.0177WA light earthquake with magnitude 4.9 (ml/mb) was detected on Friday, 119 km SE of Perryville, Alaska (74 miles). Event id: ak020ccyvv78. Ids that are associated to the earthquake: at00qh79wm, ak020ccyvv78, us6000c10l. The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface. The 4.9-magnitude earthquake has occurred at 05:57:57 / 5:57 am (local time epicenter). Exact location of event, longitude -158.0177 West, latitude 55.0499 North, depth = 10 km. A tsunami warning has been issued near Perryville in Alaska (Does not indicate if a tsunami actually did or will exist). Global time and date of event 25/09/20 / 2020-09-25 05:57:57 / September 25, 2020 @ 5:57 am UTC/GMT.

There are an estimated 13,000 light quakes in the world each year. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been three, in the last 10 days four, in the past 30 days nine and in the last 365 days one hundred and sixty-one earthquakes of magnitude 3.0 or greater that have been detected nearby.

Did you feel the quake?

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 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: 119 km SE of Perryville, Alaska.

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More information

Parameter Value Description
Magnitude 4.9 mb The magnitude for the event.
Longitude -158.0177° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 55.0499° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 119 km SE 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 2020-09-25 05:57:57 Time when the event occurred. UTC/GMT
Updated 2020-09-25 06:14:51 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 2.93 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 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 369 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 ,at,ak,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 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.83 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 ak020ccyvv78 Id of event.
Event Code 020ccyvv78 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00qh79wm,ak020ccyvv78,us6000c10l, A comma-separated list of event ids that are associated to an event.

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