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Moderate earthquake, 5.4 mag has occurred near Nikolski in Alaska


Earthquake location 51.869S, -170.779WA moderate earthquake magnitude 5.4 (ml/mb) strikes 176 km SW of Nikolski, Alaska (109 miles) on Sunday. Exact location, longitude -170.779° West, latitude 51.869° North, depth = 39 km. The temblor was reported at 09:35:25 / 9:35 am (local time epicenter). Exact time and date of event in UTC/GMT: 19/05/24 / 2024-05-19 09:35:25 / May 19, 2024 @ 9:35 am. The earthquake was roughly at a depth of 39 km (24 miles). Event ids that are associated to the earthquake: at00sdq7z1, ak0246fot1c4. Id of event: at00sdq7z1. A tsunami warning has been issued near Nikolski in Alaska (Does not indicate if a tsunami actually did or will exist).

Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures. Every year there are an estimated 1320 moderate earthquakes in the world. In the past 24 hours, there have been one, in the last 10 days five, in the past 30 days fourty-one and in the last 365 days fourty-two earthquakes of magnitude 3.0 or greater that was reported 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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 176 km SW of Nikolski, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 5.4 mb The magnitude for the event.
Longitude -170.779° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.869° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 39 km Depth of the event in kilometers.
Place 176 km SW of Nikolski, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2024-05-19 09:35:25 Time when the event occurred. UTC/GMT
Updated 2024-05-19 09:41:16 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 4.593 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 449 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,ak, A comma-separated list of network contributors.
Number of Stations Used 34 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.613374 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.05 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 212.399983008 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 at00sdq7z1 Id of event.
Event Code 00sdq7z1 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00sdq7z1,ak0246fot1c4, A comma-separated list of event ids that are associated to an event.

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