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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag strikes near Sand Point in Alaska


Earthquake location 54.5645S, -159.8742WA light earthquake with magnitude 4 (ml/mb) was reported 94 km SSE of Sand Point, Alaska (58 miles) on Wednesday. All ids that are associated to the event: ak025925ko5i, us7000qd2i. Unique identifier: us7000qd2i. Global date and time of event UTC/GMT: 16/07/25 / 2025-07-16 21:33:58 / July 16, 2025 @ 9:33 pm. The temblor was reported at 21:33:58 / 9:33 pm (local time epicenter). 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 38.316 km (24 miles) below the earth’s surface. Exact location, longitude -159.8742° West, latitude 54.5645° North, depth = 38.316 km.

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. In the past 24 hours, there have been four hundred and one, in the last 10 days four hundred and one, in the past 30 days four hundred and four and in the last 365 days five hundred and ten earthquakes of magnitude 3.0 or greater that has occurred nearby.

Did you feel anything?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home 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: 94 km SSE of Sand Point, Alaska.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -159.8742° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 54.5645° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 38.316 km Depth of the event in kilometers.
Place 94 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 21:33:58 Time when the event occurred. UTC/GMT
Updated 2025-08-10 05:54:06 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 ,ak,us, A comma-separated list of network contributors.
Number of Stations Used 83 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.314 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.62 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 160 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 us7000qd2i Id of event.
Event Code 7000qd2i An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak025925ko5i,us7000qd2i, A comma-separated list of event ids that are associated to an event.

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