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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag was detected near Santa Gertrudis Miramar in Mexico


Earthquake location 15.4941S, -95.0423WA light earthquake magnitude 4.2 (ml/mb) has occurred on Friday, 73 kilometers (45 miles) from Santa Gertrudis Miramar in Mexico. Id of earthquake: us7000nq4e. Event ids that are associated: us7000nq4e. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Date and time of earthquake in UTC/GMT: 18/10/24 / 2024-10-18 10:57:38 / October 18, 2024 @ 10:57 am. The epicenter was at a depth of 35 km (22 miles). Exact location of event, longitude -95.0423 West, latitude 15.4941 North, depth = 35 km. The temblor was reported at 10:57:38 / 10:57 am (local time epicenter).

Close country/countries that might be effected, Mexico (c. 112 469 000 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was San Mateo del Mar, Salina Cruz. Epicenter of the event was 79 km (49 miles) from Salina Cruz (c. 73 600 pop), 80 km (50 miles) from San Mateo del Mar (c. 5 400 pop).

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

Questions or comments?

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: 73 km SSE of Santa Gertrudis Miramar, Mexico. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -95.0423° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 15.4941° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 35 km Depth of the event in kilometers.
Place 73 km SSE 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 2024-10-18 10:57:38 Time when the event occurred. UTC/GMT
Updated 2024-11-14 10:05:45 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 271 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 27 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.063 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.74 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 177 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 us7000nq4e Id of event.
Event Code 7000nq4e An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000nq4e, A comma-separated list of event ids that are associated to an event.

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