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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.2 mag, 35 km SSE of San Francisco del Mar, Mexico

Posted by admin on October 27, 2017 0 Comments

Earthquake location 15.9285S, -94.5386WA light earthquake magnitude 4.2 (ml/mb) has occurred on Sunday, 35 kilometers (22 miles) from San Francisco del Mar in Mexico. The epicenter of the earthquake was roughly 73.62 km (46 miles) below the earth’s surface. The 4.2-magnitude earthquake was detected at 06:45:07 / 6:45 am (local time epicenter). Exact location of event, longitude -94.5386 West, latitude 15.9285 North, depth = 73.62 km. Date and time of earthquake in UTC/GMT: 15/10/17 / 2017-10-15 12:45:07 / October 15, 2017 @ 12:45 pm. Id of earthquake: us1000aupi. Event ids that are associated: us1000aupi. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Close country/countries, Mexico (c. 112 469 000 pop) (That might be effected). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Santo Domingo Tehuantepec, Tonalá, Asunción Ixtaltepec. Event epicenter was 76 km (47 miles) from Salina Cruz (c. 73 600 pop), 76 km (47 miles) from Juchitán de Zaragoza (c. 67 600 pop), 87 km (54 miles) from Santo Domingo Tehuantepec (c. 37 400 pop), 86 km (53 miles) from Tonalá (c. 32 900 pop), 76 km (47 miles) from Arriaga (c. 22 800 pop), 68 km (42 miles) from Unión Hidalgo (c. 12 700 pop).

Each year there are an estimated 13,000 light quakes in the world. In the past 24 hours, there have been nine, in the last 10 days nineteen, in the past 30 days one hundred and nineteen and in the last 365 days three hundred and sixty earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel it?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 35 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 4.2 mb The magnitude for the event.
Longitude -94.5386° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 15.9285° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 73.62 km Depth of the event in kilometers.
Place 35km 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 2017-10-15 12:45:07 Time when the event occurred. UTC/GMT
Updated 2017-10-27 06:17:14 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 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 2.987 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.71 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 176 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 us1000aupi Id of event.
Event Code 1000aupi An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000aupi, A comma-separated list of event ids that are associated to an event.

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