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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.1 mag strikes near Santa Gertrudis Miramar in Mexico


Earthquake location 15.8268S, -95.19WA light earthquake with magnitude 4.1 (ml/mb) was detected on Thursday, 34 kilometers (21 miles) from Santa Gertrudis Miramar in Mexico. The epicenter of the earthquake was roughly 45.345 km (28 miles) below the earth’s surface. Exact location of event, depth 45.345 km, -95.19° West, 15.8268° North. Event ids that are associated to the earthquake: us6000rlab. Id of event: us6000rlab. Date and time of earthquake in UTC/GMT: 16/10/25 / 2025-10-16 11:35:41 / October 16, 2025 @ 11:35 am. The temblor was reported at 11:35:41 / 11:35 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Nearest cities/city/villages to epicentrum/hypocenter was Las Amilpas, San Jerónimo Ixtepec, Unión Hidalgo (min 5000 pop). Event epicenter was 40 km (25 miles) from Salina Cruz (c. 73 600 pop), 70 km (44 miles) from Juchitán de Zaragoza (c. 67 600 pop), 56 km (35 miles) from Santo Domingo Tehuantepec (c. 37 400 pop), 84 km (52 miles) from San Jerónimo Ixtepec (c. 23 200 pop), 81 km (51 miles) from Unión Hidalgo (c. 12 700 pop), 86 km (53 miles) from Las Amilpas (c. 8 800 pop). Country/countries that might be effected, Mexico (c. 112 469 000 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 one, in the past 30 days one and in the last 365 days fifteen earthquakes of magnitude 3.0 or greater that have been detected nearby. Each year there are an estimated 13,000 light earthquakes in the world.

Did you feel the quake?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity 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: 34 km SE of Santa Gertrudis Miramar, Mexico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude -95.19° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 15.8268° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 45.345 km Depth of the event in kilometers.
Place 34 km SE of Santa Gertrudis Miramar, Mexico Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-10-16 11:35:41 Time when the event occurred. UTC/GMT
Updated 2025-11-11 14:43:17 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 259 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 51 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.789 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.22 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 133 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 us6000rlab Id of event.
Event Code 6000rlab An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000rlab, A comma-separated list of event ids that are associated to an event.

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