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Major earthquake: M7.5 quake has struck near Ushuaia in Argentina


Earthquake location -56.8S, -67.9WA major earthquake with magnitude 7.5 (ml/mb) was detected on Friday, 222 km S of Ushuaia, Argentina (138 miles). The epicenter of the earthquake was roughly 48 km (30 miles) below the earth’s surface. The temblor was detected at 12:58:29 / 12:58 pm (local time epicenter). Event ids that are associated to the earthquake: pt25122001, at00svmxdi. Id of event: at00svmxdi. Exact time and date of event in UTC/GMT: 02/05/25 / 2025-05-02 12:58:29 / May 2, 2025 @ 12:58 pm. Exact location, longitude -67.9° West, latitude -56.8° South, depth = 48 km. A tsunami warning has been issued near Ushuaia in Argentina (Does not indicate if a tsunami actually did or will exist).

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days one and in the last 365 days two earthquakes of magnitude 3.0 or greater that have been detected in the same area. Every year there are an estimated 15 major earthquakes in the world. Earthquakes 7.0 to 7.9 may cause serious damage.

Did you feel it?

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: 222 km S of Ushuaia, Argentina. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 7.5 mb The magnitude for the event.
Longitude -67.9° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -56.8° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 48 km Depth of the event in kilometers.
Place 222 km S of Ushuaia, Argentina Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-05-02 12:58:29 Time when the event occurred. UTC/GMT
Updated 2025-05-02 13:10:36 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 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 865 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 ,pt,at, A comma-separated list of network contributors.
Number of Stations Used 31 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.924191 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.13 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 136.799989056 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type Mi The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID at00svmxdi Id of event.
Event Code 00svmxdi An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pt25122001,at00svmxdi, A comma-separated list of event ids that are associated to an event.

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