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Minor earthquake: M3.4 quake has struck near Unimak Island region, Alaska

Posted by admin on March 3, 2021 0 Comments

Earthquake location 53.8658S, -164.9315WA minor earthquake magnitude 3.4 (ml/mb) has occurred on Wednesday, Unimak Island region, Alaska (0 miles). The temblor was picked up at 15:20:40 / 3:20 pm (local time epicenter). The earthquake occurred at a depth of 47.51 km (30 miles) below the earth’s surface. Exact time and date of earthquake 24/02/21 / 2021-02-24 15:20:40 / February 24, 2021 @ 3:20 pm UTC/GMT. Exact location, longitude -164.9315° West, latitude 53.8658° North, depth = 47.51 km. Event ids that are associated to the earthquake: us7000dema. Id of event: us7000dema.

Each year there are an estimated 130,000 minor earthquakes in the world. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days eight and in the last 365 days one hundred and fourty-nine earthquakes of magnitude 3.0 or greater that was reported nearby.

How would you describe the shaking?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city 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: Unimak Island region, Alaska.

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More information

Parameter Value Description
Magnitude 3.4 mb The magnitude for the event.
Longitude -164.9315° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 53.8658° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 47.51 km Depth of the event in kilometers.
Place Unimak Island region, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2021-02-24 15:20:40 Time when the event occurred. UTC/GMT
Updated 2021-03-03 01:30:02 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 178 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 0.564 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.81 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 198 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 us7000dema Id of event.
Event Code 7000dema An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000dema, A comma-separated list of event ids that are associated to an event.

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