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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.5 mag was detected near Sand Point in Alaska

Posted by admin on August 10, 2025 0 Comments

Earthquake location 54.4454S, -160.3182WA light earthquake magnitude 4.5 (ml/mb) has occurred on Wednesday, 99 km S of Sand Point, Alaska (62 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.5-magnitude earthquake has occurred at 21:40:03 / 9:40 pm (local time epicenter). Global date and time of event UTC/GMT: 16/07/25 / 2025-07-16 21:40:03 / July 16, 2025 @ 9:40 pm. Exact location of earthquake, -160.3182° West, 54.4454° North, depth 19.807 km. All ids that are associated to the event: ak025925lx39, us7000qdm2. Unique identifier: us7000qdm2. The epicenter was at a depth of 19.807 km (12 miles).

There are an estimated 13,000 light quakes in the world each year. In the past 24 hours, there have been three hundred and eighty-six, in the last 10 days three hundred and eighty-six, in the past 30 days three hundred and eighty-nine and in the last 365 days four hundred and ninety-nine 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.

Questions or comments?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 99 km S of Sand Point, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -160.3182° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 54.4454° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 19.807 km Depth of the event in kilometers.
Place 99 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 21:40:03 Time when the event occurred. UTC/GMT
Updated 2025-08-10 06:22:07 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 312 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 114 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.573 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.52 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 157 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 us7000qdm2 Id of event.
Event Code 7000qdm2 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak025925lx39,us7000qdm2, A comma-separated list of event ids that are associated to an event.

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