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Minor World Earthquakes Magnitude -3.9

Minor earthquake: M3.7 quake has struck near San Francisco del Mar in Mexico


Earthquake location 15.8989S, -94.5559WA minor earthquake magnitude 3.7 (ml/mb) strikes 38 kilometers (24 miles) from San Francisco del Mar in Mexico on Friday. Id of earthquake: us2000ay9n. Event ids that are associated: us2000ay9n. Exact time and date of earthquake 09/09/17 / 2017-09-09 04:09:25 / September 9, 2017 @ 4:09 am UTC/GMT. The earthquake was roughly at a depth of 56.13 km (35 miles). Exact location of earthquake, longitude -94.5559 West, latitude 15.8989 North, depth = 56.13 km. The temblor was detected at 22:09:25 / 10:09 pm (local time epicenter).

Earthquake epicenter was 76 km (47 miles) from Salina Cruz (c. 73 600 pop), 78 km (48 miles) from Juchitán de Zaragoza (c. 67 600 pop), 79 km (49 miles) from Arriaga (c. 22 800 pop), 70 km (44 miles) from Unión Hidalgo (c. 12 700 pop), 60 km (37 miles) from Chahuite (c. 9 800 pop), 52 km (33 miles) from Las Amilpas (c. 8 800 pop). Nearby country/countries that might be effected, Mexico (c. 112 469 000 pop). Closest city/cities/towns to epicentrum/hypocenter was Asunción Ixtaltepec, El Espinal, Arriaga (min 5000 pop).

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. There are an estimated 130,000 minor quakes in the world each year. In the past 24 hours, there have been two hundred and fifty-six, in the last 10 days two hundred and fifty-seven, in the past 30 days two hundred and fifty-seven and in the last 365 days two hundred and seventy-five earthquakes of magnitude 3.0 or greater that has struck near.

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: 38 km SSE of San Francisco del Mar, Mexico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.7 mb The magnitude for the event.
Longitude -94.5559° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 15.8989° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 56.13 km Depth of the event in kilometers.
Place 38km 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 2017-09-09 04:09:25 Time when the event occurred. UTC/GMT
Updated 2017-10-04 21:39:00 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 211 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 1.301 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.09 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 147 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 us2000ay9n Id of event.
Event Code 2000ay9n An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000ay9n, A comma-separated list of event ids that are associated to an event.

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