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Light earthquake: M4.2 quake has struck near Perryville in Alaska

Posted by admin on July 22, 2020 0 Comments

Earthquake location 55.105S, -158.3232WA light earthquake magnitude 4.2 (ml/mb) has occurred on Wednesday, 103 km SSE of Perryville, Alaska (64 miles). Global date and time of event UTC/GMT: 22/07/20 / 2020-07-22 06:53:53 / July 22, 2020 @ 6:53 am. Exact location of event, depth 29 km, -158.3232° West, 55.105° North. Event ids that are associated to the earthquake: us7000aswg, ak0209dhivdi. Id of event: ak0209dhivdi. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter of the earthquake was roughly 29 km (18 miles) below the earth’s surface. The temblor was detected at 06:53:53 / 6:53 am (local time epicenter).

There are an estimated 13,000 light quakes in the world each year. In the past 24 hours, there have been twelve, in the last 10 days twelve, in the past 30 days thirteen and in the last 365 days fifty earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

How would you describe the shaking?

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: 103 km SSE of Perryville, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -158.3232° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 55.105° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 29 km Depth of the event in kilometers.
Place 103 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 06:53:53 Time when the event occurred. UTC/GMT
Updated 2020-07-22 08:09:37 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 271 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 ,us,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 0.66 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 ak0209dhivdi Id of event.
Event Code 0209dhivdi An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000aswg,ak0209dhivdi, A comma-separated list of event ids that are associated to an event.

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