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Minor earthquake 3.3 mag, 283 km SE of Chiniak, Alaska

Earthquake location 55.6852S, -149.2688WA minor earthquake with magnitude 3.3 (ml/mb) was reported 283 km SE of Chiniak, Alaska (176 miles) on Friday. The epicenter was at a depth of 7.55 km (5 miles). Exact location, longitude -149.2688° West, latitude 55.6852° North, depth = 7.55 km. Unique identifier: us6000b3t2. Ids that are associated to the event: ak0209h1zh8o, us6000b3t2. The 3.3-magnitude earthquake was detected at 22:29:31 / 10:29 pm (local time epicenter). Global time and date of event 24/07/20 / 2020-07-24 22:29:31 / July 24, 2020 @ 10:29 pm UTC/GMT.

In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days eight and in the last 365 days two hundred and sixty-two earthquakes of magnitude 3.0 or greater that have been detected in the same area. There are an estimated 130,000 minor quakes in the world each year. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage.

Did you feel the quake?

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 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: 283 km SE of Chiniak, Alaska.

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More information

Parameter Value Description
Magnitude 3.3 mb The magnitude for the event.
Longitude -149.2688° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 55.6852° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 7.55 km Depth of the event in kilometers.
Place 283 km SE of Chiniak, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-07-24 22:29:31 Time when the event occurred. UTC/GMT
Updated 2020-07-25 04:45:53 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 168 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 ,ak,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 2.711 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 205 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 us6000b3t2 Id of event.
Event Code 6000b3t2 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak0209h1zh8o,us6000b3t2, A comma-separated list of event ids that are associated to an event.

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