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Light earthquake: M4.3 quake has struck near Sand Point in Alaska

Posted by admin on July 16, 2025 0 Comments

Earthquake location 54.5485S, -159.8856WA light earthquake magnitude 4.3 (ml/mb) has occurred on Wednesday, 96 km SSE of Sand Point, Alaska (60 miles). The epicenter was at a depth of 41.232 km (26 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Unique identifier: us7000qd2r. Ids that are associated to the event: ak02592612jo, us7000qd2r. Exact location of earthquake, longitude -159.8856 West, latitude 54.5485 North, depth = 41.232 km. Exact time and date of earthquake 16/07/25 / 2025-07-16 22:10:12 / July 16, 2025 @ 10:10 pm UTC/GMT. The 4.3-magnitude earthquake was detected at 22:10:12 / 10:10 pm (local time epicenter).

Each year there are an estimated 13,000 light quakes in the world. In the past 24 hours, there have been nineteen, in the last 10 days nineteen, in the past 30 days twenty-three and in the last 365 days one hundred and thirty-four earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

How would you describe the shaking?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage 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: 96 km SSE of Sand Point, Alaska.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -159.8856° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 54.5485° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 41.232 km Depth of the event in kilometers.
Place 96 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 2025-07-16 22:10:12 Time when the event occurred. UTC/GMT
Updated 2025-07-16 22:31:09 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 3.524 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 284 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 43 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.331 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.76 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 162 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 us7000qd2r Id of event.
Event Code 7000qd2r An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak02592612jo,us7000qd2r, A comma-separated list of event ids that are associated to an event.

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