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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 15.4984S, -94.8027WA light earthquake magnitude 4.1 (ml/mb) strikes 80 kilometers (50 miles) from San Mateo del Mar in Mexico on Saturday. Global time and date of event 30/09/17 / 2017-09-30 18:31:37 / September 30, 2017 @ 6:31 pm UTC/GMT. Exact location of event, longitude -94.8027 West, latitude 15.4984 North, depth = 19.41 km. The temblor was reported at 12:31:37 / 12:31 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event ids that are associated to the earthquake: us2000b0d3. Id of event: us2000b0d3. The earthquake occurred at a depth of 19.41 km (12 miles) below the earth’s surface.

Close country/countries, Mexico (c. 112 469 000 pop) (That might be effected). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Salina Cruz, San Mateo del Mar. Event epicenter was 87 km (54 miles) from Salina Cruz (c. 73 600 pop), 81 km (51 miles) from San Mateo del Mar (c. 5 400 pop).

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. In the past 24 hours, there have been ten, in the last 10 days thirty, in the past 30 days two hundred and thirty-nine and in the last 365 days two hundred and fifty-three earthquakes of magnitude 3.0 or greater that was reported nearby.

Did you feel it?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking 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: 80 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 -94.8027° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 15.4984° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 19.41 km Depth of the event in kilometers.
Place 80km 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 2017-09-30 18:31:37 Time when the event occurred. UTC/GMT
Updated 2017-10-03 19:33:30 Time when the event was most recently updated. UTC/GMT
Timezone offset -360 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 1.286 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.25 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 124 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 us2000b0d3 Id of event.
Event Code 2000b0d3 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000b0d3, A comma-separated list of event ids that are associated to an event.

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