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

Posted by admin on August 1, 2020 0 Comments

Earthquake location 54.9484S, -159.7558WA light earthquake with magnitude 4.2 (ml/mb) was detected on Saturday, 64 km SE of Sand Point, Alaska (40 miles). The 4.2-magnitude earthquake was detected at 02:39:40 / 2:39 am (local time epicenter). Exact location of earthquake, longitude -159.7558 West, latitude 54.9484 North, depth = 23.83 km. Event id: us6000b7sc. Ids that are associated to the earthquake: us6000b7sc. The earthquake occurred at a depth of 23.83 km (15 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global time and date of event 01/08/20 / 2020-08-01 02:39:40 / August 1, 2020 @ 2:39 am UTC/GMT.

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been five, in the last 10 days one hundred and fourty-two, in the past 30 days one hundred and fourty-three and in the last 365 days one hundred and eighty-three earthquakes of magnitude 3.0 or greater that has struck near. Each year there are an estimated 13,000 light quakes in the world.

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 64 km SE of Sand Point, Alaska. This information 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 -159.7558° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 54.9484° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 23.83 km Depth of the event in kilometers.
Place 64 km SE 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 2020-08-01 02:39:40 Time when the event occurred. UTC/GMT
Updated 2020-08-01 02:54:43 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 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 0.151 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.28 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 116 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 us6000b7sc Id of event.
Event Code 6000b7sc An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000b7sc, A comma-separated list of event ids that are associated to an event.

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