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Light earthquake, 4 mag has occurred near Nanwalek in Alaska

Posted by admin on August 22, 2020 0 Comments

Earthquake location 59.462S, -152.506WA light earthquake with magnitude 4 (ml/mb) was reported 35 kilometers (22 miles) from Nanwalek in Alaska on Saturday. Exact location, longitude -152.506° West, latitude 59.462° North, depth = 74 km. Id of earthquake: at00qfhkz4. Event ids that are associated: at00qfhkz4. Date and time of earthquake in UTC/GMT: 22/08/20 / 2020-08-22 22:25:52 / August 22, 2020 @ 10:25 pm. The epicenter was at a depth of 74 km (46 miles). A tsunami warning has been issued near Nanwalek in Alaska (Does not indicate if a tsunami actually did or will exist). The 4-magnitude earthquake has occurred at 22:25:52 / 10:25 pm (local time epicenter).

Nearest cities/city/towns to hypocenter/epicentrum was Homer (min 5000 pop). Country/countries that might be effected, United States (c. 310 233 000 pop). Epicenter of the earthquake was 58 km (36 miles) from Homer (c. 5 000 pop).

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

Did you feel it?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 35 km WNW of Nanwalek, Alaska.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -152.506° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 59.462° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 74 km Depth of the event in kilometers.
Place 35 km WNW of Nanwalek, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-08-22 22:25:52 Time when the event occurred. UTC/GMT
Updated 2020-08-22 22:36:04 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 246 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network at The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,at, A comma-separated list of network contributors.
Number of Stations Used 59 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.4886835 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.52 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 75.599993952 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 at00qfhkz4 Id of event.
Event Code 00qfhkz4 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00qfhkz4, A comma-separated list of event ids that are associated to an event.

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