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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4 mag, 75 km S of San Francisco del Mar, Mexico


Earthquake location 15.5507S, -94.6903WA light earthquake magnitude 4 (ml/mb) strikes 75 kilometers (47 miles) from San Francisco del Mar in Mexico on Thursday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was detected at 00:24:28 / 12:24 am (local time epicenter). Exact location, longitude -94.6903° West, latitude 15.5507° North, depth = 43.43 km. The epicenter was at a depth of 43.43 km (27 miles). Event ids that are associated to the earthquake: us2000aywv. Id of event: us2000aywv. Exact time and date of earthquake 14/09/17 / 2017-09-14 06:24:28 / September 14, 2017 @ 6:24 am UTC/GMT.

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Salina Cruz, San Mateo del Mar. Country/countries that might be effected, Mexico (c. 112 469 000 pop). Event epicenter was 89 km (55 miles) from Salina Cruz (c. 73 600 pop), 80 km (50 miles) from San Mateo del Mar (c. 5 400 pop).

In the past 24 hours, there have been eighty-nine, in the last 10 days three hundred and one, in the past 30 days three hundred and two and in the last 365 days three hundred and nineteen earthquakes of magnitude 3.0 or greater that have been detected in the same area. 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.

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What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 75 km S of San Francisco del Mar, Mexico. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -94.6903° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 15.5507° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 43.43 km Depth of the event in kilometers.
Place 75km S 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 2017-09-14 06:24:28 Time when the event occurred. UTC/GMT
Updated 2017-10-07 06:00:32 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 246 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 1.383 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.77 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 120 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 us2000aywv Id of event.
Event Code 2000aywv An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000aywv, A comma-separated list of event ids that are associated to an event.

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