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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4 quake has struck near Attu Station in Alaska


Earthquake location 52.7137S, 175.7343WA light earthquake magnitude 4 (ml/mb) has struck on Monday, 172 km E of Attu Station, Alaska (107 miles). The 4-magnitude earthquake was detected at 01:50:34 / 1:50 am (local time epicenter). The epicenter was at a depth of 8.936 km (6 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, longitude 175.7343 East, latitude 52.7137 North, depth = 8.936 km. Exact time and date of event in UTC/GMT: 16/09/24 / 2024-09-16 01:50:34 / September 16, 2024 @ 1:50 am. Event id: us7000ng96. Ids that are associated to the earthquake: us7000ng96.

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days one and in the last 365 days three earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. There are an estimated 13,000 light quakes in the world each year.

How would you describe the shaking?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 172 km E of Attu Station, Alaska.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 175.7343° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.7137° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 8.936 km Depth of the event in kilometers.
Place 172 km E of Attu Station, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2024-09-16 01:50:34 Time when the event occurred. UTC/GMT
Updated 2024-10-02 03:04:23 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 246 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 17 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.995 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.79 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 us7000ng96 Id of event.
Event Code 7000ng96 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000ng96, A comma-separated list of event ids that are associated to an event.

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