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Minor earthquake: M3.3 quake has struck near Sand Point in Alaska

Posted by admin on October 30, 2020 0 Comments

Earthquake location 54.1952S, -159.5445WA minor earthquake magnitude 3.3 (ml/mb) has struck on Tuesday, 141 km SSE of Sand Point, Alaska (88 miles). Unique identifier: ak020di8nh9h. Ids that are associated to the event: ak020di8nh9h. Exact location of earthquake, longitude -159.5445 West, latitude 54.1952 North, depth = 24.2 km. The 3.3-magnitude earthquake was detected at 01:09:37 / 1:09 am (local time epicenter). Global date and time of event UTC/GMT: 20/10/20 / 2020-10-20 01:09:37 / October 20, 2020 @ 1:09 am. The epicenter of the earthquake was roughly 24.2 km (15 miles) below the earth’s surface.

Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage. Each year there are an estimated 130,000 minor earthquakes in the world. In the past 24 hours, there have been three hundred and eighty-seven, in the last 10 days three hundred and eighty-seven, in the past 30 days four hundred and two and in the last 365 days six hundred and fourty-two earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Did you feel it?

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: 141 km SSE of Sand Point, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.3 mb The magnitude for the event.
Longitude -159.5445° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 54.1952° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 24.2 km Depth of the event in kilometers.
Place 141 km SSE of Sand Point, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-10-20 01:09:37 Time when the event occurred. UTC/GMT
Updated 2020-10-30 18:32:09 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 ak The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,ak, 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 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.11 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 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 ak020di8nh9h Id of event.
Event Code 020di8nh9h An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak020di8nh9h, A comma-separated list of event ids that are associated to an event.

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