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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.1 mag strikes near San Mateo del Mar in Mexico

Earthquake location 15.6247S, -94.8401WA light earthquake with magnitude 4.1 (ml/mb) was reported 66 kilometers (41 miles) from San Mateo del Mar in Mexico on Monday. Event id: us7000bf4g. Ids that are associated to the earthquake: us7000bf4g. The temblor was reported at 00:28:28 / 12:28 am (local time epicenter). Global date and time of event UTC/GMT: 31/08/20 / 2020-08-31 00:28:28 / August 31, 2020 @ 12:28 am. The earthquake was roughly at a depth of 35 km (22 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude -94.8401 West, latitude 15.6247 North, depth = 35 km.

Close country/countries that might be effected, Mexico (c. 112 469 000 pop). Event epicenter was 73 km (45 miles) from Salina Cruz (c. 73 600 pop), 89 km (55 miles) from Santo Domingo Tehuantepec (c. 37 400 pop), 86 km (53 miles) from Las Amilpas (c. 8 800 pop), 89 km (55 miles) from San Francisco Ixhuatan (c. 5 700 pop), 67 km (42 miles) from San Mateo del Mar (c. 5 400 pop). Closest city/cities/towns to epicentrum/hypocenter was San Francisco Ixhuatan, Santo Domingo Tehuantepec, Las Amilpas (min 5000 pop).

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days two and in the last 365 days fourty-eight earthquakes of magnitude 3.0 or greater that has occurred 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.

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, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 66 km SSE of San Mateo del Mar, 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 -94.8401° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 15.6247° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 35 km Depth of the event in kilometers.
Place 66 km SSE of San Mateo del Mar, Mexico Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-08-31 00:28:28 Time when the event occurred. UTC/GMT
Updated 2020-08-31 00:41:35 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 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 4.059 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.73 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 197 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 us7000bf4g Id of event.
Event Code 7000bf4g An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000bf4g, A comma-separated list of event ids that are associated to an event.

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