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Light earthquake, 4.1 mag strikes near Yunaska Island in Alaska

Posted by admin on February 17, 2020 0 Comments

Earthquake location 52.2569S, -170.0836WA light earthquake with magnitude 4.1 (ml/mb) was detected on Sunday, 58 km SE of Yunaska Island, Alaska (36 miles). The epicenter was at a depth of 35 km (22 miles). All ids that are associated to the event: us70007rr0. Unique identifier: us70007rr0. Exact location of event, longitude -170.0836 West, latitude 52.2569 North, depth = 35 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.1-magnitude earthquake has occurred at 21:34:56 / 9:34 pm (local time epicenter). Exact time and date of earthquake 17/02/20 / 2020-02-17 08:34:56 / February 17, 2020 @ 8:34 am UTC/GMT.

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

Questions or comments?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 58 km SE of Yunaska Island, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude -170.0836° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.2569° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 35 km Depth of the event in kilometers.
Place 58km SE of Yunaska Island, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-02-17 08:34:56 Time when the event occurred. UTC/GMT
Updated 2020-02-17 09:56:17 Time when the event was most recently updated. UTC/GMT
Timezone offset -660 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 259 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 0.579 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.94 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 141 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 us70007rr0 Id of event.
Event Code 70007rr0 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us70007rr0, A comma-separated list of event ids that are associated to an event.

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