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Light earthquake: M4 quake has struck near Ushuaia in Argentina

Posted by admin on May 21, 2025 0 Comments

Earthquake location -57.0492S, -66.8631WA light earthquake magnitude 4 (ml/mb) has struck on Saturday, 265 km SSE of Ushuaia, Argentina (165 miles). The epicenter of the earthquake was roughly 10 km (6 miles) below the earth’s surface. Exact location of event, longitude -66.8631 West, latitude -57.0492 South, depth = 10 km. The temblor was picked up at 06:26:27 / 6:26 am (local time epicenter). Date and time of earthquake in UTC/GMT: 03/05/25 / 2025-05-03 06:26:27 / May 3, 2025 @ 6:26 am. Id of earthquake: us7000q070. Event ids that are associated: us7000q070. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Every year there are an estimated 13,000 light earthquakes 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 seventy-eight, in the last 10 days seventy-eight, in the past 30 days seventy-eight and in the last 365 days seventy-nine earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Did you feel it?

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: 265 km SSE of Ushuaia, Argentina. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -66.8631° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -57.0492° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 265 km SSE 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 2025-05-03 06:26:27 Time when the event occurred. UTC/GMT
Updated 2025-05-21 07:35:27 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 ,us, A comma-separated list of network contributors.
Number of Stations Used 20 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 3.807 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.63 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 141 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 us7000q070 Id of event.
Event Code 7000q070 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000q070, A comma-separated list of event ids that are associated to an event.

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