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Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.9 mag has occurred near San Francisco del Mar in Mexico


Earthquake location 15.7739S, -94.442WA minor earthquake magnitude 3.9 (ml/mb) has occurred on Saturday, 55 kilometers (34 miles) from San Francisco del Mar in Mexico. All ids that are associated to the event: us2000aye7. Unique identifier: us2000aye7. The earthquake was roughly at a depth of 41.92 km (26 miles). Exact time and date of earthquake 10/09/17 / 2017-09-10 01:57:33 / September 10, 2017 @ 1:57 am UTC/GMT. Exact location of event, longitude -94.442 West, latitude 15.7739 North, depth = 41.92 km. The temblor was detected at 19:57:33 / 7:57 pm (local time epicenter).

Country/countries that might be effected, Mexico (c. 112 469 000 pop). Epicenter of the earthquake was 81 km (51 miles) from Tonalá (c. 32 900 pop), 77 km (48 miles) from Arriaga (c. 22 800 pop), 88 km (55 miles) from Unión Hidalgo (c. 12 700 pop), 65 km (40 miles) from Chahuite (c. 9 800 pop), 69 km (43 miles) from Las Amilpas (c. 8 800 pop), 75 km (47 miles) from El Espinal (c. 7 600 pop). Nearest cities/city/towns to hypocenter/epicentrum was Unión Hidalgo, Tonalá, Santo Domingo Zanatepec (min 5000 pop).

Every year there are an estimated 130,000 minor earthquakes in the world. In the past 24 hours, there have been one hundred and ninety, in the last 10 days two hundred and eighty-seven, in the past 30 days two hundred and eighty-seven and in the last 365 days three hundred and four earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

Did you feel anything?

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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 55 km SSE of San Francisco del Mar, Mexico.

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More information

Parameter Value Description
Magnitude 3.9 mb The magnitude for the event.
Longitude -94.442° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 15.7739° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 41.92 km Depth of the event in kilometers.
Place 55km SSE of San Francisco 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 2017-09-10 01:57:33 Time when the event occurred. UTC/GMT
Updated 2017-10-05 22:46:06 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 234 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 1.604 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.8 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 148 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 us2000aye7 Id of event.
Event Code 2000aye7 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000aye7, A comma-separated list of event ids that are associated to an event.

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