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Moderate World Earthquakes Magnitude 5–5.9

Moderate earthquake, 5.4 mag has occurred near Sand Point in Alaska

Earthquake location 54.1786S, -159.6189WA moderate earthquake magnitude 5.4 (ml/mb) strikes 140 km SSE of Sand Point, Alaska (87 miles) on Tuesday. Global date and time of event UTC/GMT: 20/10/20 / 2020-10-20 04:06:50 / October 20, 2020 @ 4:06 am. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 5.4-magnitude earthquake was detected at 04:06:50 / 4:06 am (local time epicenter). The earthquake was roughly at a depth of 35.9 km (22 miles). Event id: ak020diaf5rz. Ids that are associated to the earthquake: ak020diaf5rz. Exact location of event, longitude -159.6189 West, latitude 54.1786 North, depth = 35.9 km.

In the past 24 hours, there have been three hundred and seventy-one, in the last 10 days three hundred and seventy-one, in the past 30 days three hundred and eighty-five and in the last 365 days six hundred and twenty-one earthquakes of magnitude 3.0 or greater that have been detected nearby. There are an estimated 1320 moderate quakes in the world each year. Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures.

Did you feel it?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 140 km SSE of Sand Point, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 5.4 mb The magnitude for the event.
Longitude -159.6189° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 54.1786° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 35.9 km Depth of the event in kilometers.
Place 140 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 04:06:50 Time when the event occurred. UTC/GMT
Updated 2020-10-30 18:33:04 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 449 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 0.66 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 ak020diaf5rz Id of event.
Event Code 020diaf5rz An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak020diaf5rz, A comma-separated list of event ids that are associated to an event.

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