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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.1 mag was detected near Sand Point in Alaska

Posted by admin on July 19, 2025 0 Comments

Earthquake location 54.4183S, -160.2799WA light earthquake with magnitude 4.1 (ml/mb) was detected on Wednesday, 103 km S of Sand Point, Alaska (64 miles). Exact location of event, depth 25.8 km, -160.2799° West, 54.4183° North. Id of earthquake: ak025925lx39. Event ids that are associated: ak025925lx39. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 25.8 km (16 miles). Exact time and date of event in UTC/GMT: 16/07/25 / 2025-07-16 21:40:02 / July 16, 2025 @ 9:40 pm. The 4.1-magnitude earthquake was detected at 21:40:02 / 9:40 pm (local time epicenter).

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

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 information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 103 km S of Sand Point, Alaska.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude -160.2799° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 54.4183° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 25.8 km Depth of the event in kilometers.
Place 103 km S 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 21:40:02 Time when the event occurred. UTC/GMT
Updated 2025-07-19 04:40:24 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 2.697 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 259 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 0.9 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 ak025925lx39 Id of event.
Event Code 025925lx39 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak025925lx39, A comma-separated list of event ids that are associated to an event.

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