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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.2 mag, offshore Oaxaca, Mexico

Earthquake location 15.5811S, -94.8927WA light earthquake magnitude 4.2 (ml/mb) has occurred on Tuesday, offshore Oaxaca, Mexico kilometers (0 miles) from offshore Oaxaca, Mexico. Exact location of event, depth 34.88 km, -94.8927° West, 15.5811° North. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was reported at 16:25:44 / 4:25 pm (local time epicenter). Event id: us1000dd07. Ids that are associated to the earthquake: us1000dd07. Global time and date of event 13/03/18 / 2018-03-13 16:25:44 / March 13, 2018 @ 4:25 pm UTC/GMT. The epicenter was at a depth of 34.88 km (22 miles).

Earthquake epicenter was 75 km (46 miles) from Salina Cruz (c. 73 600 pop), 91 km (56 miles) from Santo Domingo Tehuantepec (c. 37 400 pop), 92 km (57 miles) from Las Amilpas (c. 8 800 pop), 71 km (44 miles) from San Mateo del Mar (c. 5 400 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Las Amilpas, Santo Domingo Tehuantepec, Salina Cruz. Nearby country/countries that might be effected, Mexico (c. 112 469 000 pop).

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

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, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: offshore Oaxaca, Mexico. This information 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 -94.8927° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 15.5811° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 34.88 km Depth of the event in kilometers.
Place offshore Oaxaca, Mexico Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-03-13 16:25:44 Time when the event occurred. UTC/GMT
Updated 2018-04-03 15:32:28 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 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.185 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.68 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 161 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 us1000dd07 Id of event.
Event Code 1000dd07 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000dd07, A comma-separated list of event ids that are associated to an event.

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