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Light earthquake: M4.5 quake has struck near Yunaska Island in Alaska

Posted by admin on May 17, 2020 0 Comments

Earthquake location 52.2091S, -169.5555WA light earthquake with magnitude 4.5 (ml/mb) was reported 90 km ESE of Yunaska Island, Alaska (56 miles) on Saturday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was detected at 08:23:33 / 8:23 am (local time epicenter). Exact location, longitude -169.5555° West, latitude 52.2091° North, depth = 10 km. The earthquake was roughly at a depth of 10 km (6 miles). Event ids that are associated to the earthquake: us70009ij1. Id of event: us70009ij1. Date and time of earthquake in UTC/GMT: 16/05/20 / 2020-05-16 19:23:33 / May 16, 2020 @ 7:23 pm.

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 five, in the last 10 days five, in the past 30 days thirteen and in the last 365 days one hundred and twelve earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Did you feel the quake?

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. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 90 km ESE of Yunaska Island, Alaska.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -169.5555° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.2091° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 90km ESE 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 2020-05-16 19:23:33 Time when the event occurred. UTC/GMT
Updated 2020-05-17 02:32:40 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 312 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 2.465 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.65 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 151 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 us70009ij1 Id of event.
Event Code 70009ij1 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us70009ij1, A comma-separated list of event ids that are associated to an event.

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