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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag strikes near Sand Point in Alaska

Posted by admin on July 19, 2025 0 Comments

Earthquake location 54.5691S, -160.2736WA light earthquake magnitude 4.2 (ml/mb) has occurred on Wednesday, 86 km S of Sand Point, Alaska (53 miles). Event ids that are associated to the earthquake: ak0259251ion. Id of event: ak0259251ion. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, longitude -160.2736 West, latitude 54.5691 North, depth = 25.8 km. The epicenter of the earthquake was roughly 25.8 km (16 miles) below the earth’s surface. The 4.2-magnitude earthquake was detected at 20:44:09 / 8:44 pm (local time epicenter). Date and time of earthquake in UTC/GMT: 16/07/25 / 2025-07-16 20:44:09 / July 16, 2025 @ 8:44 pm.

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

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 data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 86 km S of Sand Point, Alaska.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -160.2736° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 54.5691° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 25.8 km Depth of the event in kilometers.
Place 86 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 20:44:09 Time when the event occurred. UTC/GMT
Updated 2025-07-19 04:40:20 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 271 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 0.74 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 ak0259251ion Id of event.
Event Code 0259251ion An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak0259251ion, A comma-separated list of event ids that are associated to an event.

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