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Light earthquake, 4.3 mag strikes near Happy Valley in Alaska

Posted by admin on April 26, 2025 0 Comments

Earthquake location 59.998S, -151.735WA light earthquake magnitude 4.3 (ml/mb) has struck on Saturday, 5 kilometers (3 miles) from Happy Valley in Alaska. The temblor was picked up at 19:54:53 / 7:54 pm (local time epicenter). Exact time and date of event in UTC/GMT: 26/04/25 / 2025-04-26 19:54:53 / April 26, 2025 @ 7:54 pm. A tsunami warning has been issued near Happy Valley in Alaska (Does not indicate if a tsunami actually did or will exist). The earthquake was roughly at a depth of 58 km (36 miles). Event ids that are associated to the earthquake: at00svccnh. Id of event: at00svccnh. Exact location of event, depth 58 km, -151.735° West, 59.998° North.

Nearby country/countries, United States (c. 310 233 000 pop) (That might be effected). Nearest cities/city/towns to hypocenter/epicentrum was Sterling, Kenai, Kalifornsky (min 5000 pop). The epicenter was 53 km (33 miles) from Kalifornsky (c. 7 900 pop), 67 km (42 miles) from Kenai (c. 7 100 pop), 80 km (50 miles) from Sterling (c. 5 600 pop), 41 km (25 miles) from Homer (c. 5 000 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days four and in the last 365 days sixty-one earthquakes of magnitude 3.0 or greater that was reported nearby. There are an estimated 13,000 light quakes in the world each year.

Did you feel it?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 5 km N of Happy Valley, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -151.735° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 59.998° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 58 km Depth of the event in kilometers.
Place 5 km N of Happy Valley, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-04-26 19:54:53 Time when the event occurred. UTC/GMT
Updated 2025-04-26 19:59:02 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt 2 The total number of felt reports
CDI 2 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 1 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 285 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network at The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,at, A comma-separated list of network contributors.
Number of Stations Used 30 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.4841919 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.67 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 71.99999424 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 at00svccnh Id of event.
Event Code 00svccnh An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00svccnh, A comma-separated list of event ids that are associated to an event.

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