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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag has occurred near Salina Cruz in Mexico

Earthquake location 15.6992S, -95.4625WA light earthquake magnitude 4 (ml/mb) has occurred on Saturday, 58 kilometers (36 miles) from Salina Cruz in Mexico. Global time and date of event 16/09/17 / 2017-09-16 08:53:31 / September 16, 2017 @ 8:53 am UTC/GMT. Exact location of earthquake, -95.4625° West, 15.6992° North, depth 31.39 km. The 4-magnitude earthquake was detected at 02:53:31 / 2:53 am (local time epicenter). All ids that are associated to the event: us2000az5g. Unique identifier: us2000az5g. The epicenter was at a depth of 31.39 km (20 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Epicenter of the event was 61 km (38 miles) from Salina Cruz (c. 73 600 pop), 73 km (46 miles) from Santo Domingo Tehuantepec (c. 37 400 pop), 72 km (45 miles) from Crucecita (c. 15 100 pop), 89 km (55 miles) from Jalapa (c. 8 300 pop), 71 km (44 miles) from Santa María Xadani (c. 5 900 pop), 77 km (48 miles) from San Mateo del Mar (c. 5 400 pop). Close country/countries, Mexico (c. 112 469 000 pop) (That might be effected). Nearest cities/city/villages to epicentrum/hypocenter was Jalapa, San Mateo del Mar, Santo Domingo Tehuantepec (min 5000 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light quakes in the world. In the past 24 hours, there have been thirty-seven, in the last 10 days one hundred and thirty-four, in the past 30 days one hundred and thirty-five and in the last 365 days one hundred and fourty-one earthquakes of magnitude 3.0 or greater that was reported nearby.

Questions or comments?

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. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 58 km SSW of Salina Cruz, Mexico.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -95.4625° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 15.6992° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 31.39 km Depth of the event in kilometers.
Place 58km SSW of Salina Cruz, Mexico Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-09-16 08:53:31 Time when the event occurred. UTC/GMT
Updated 2017-10-12 12:42:15 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 0.625 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.9 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 161 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 us2000az5g Id of event.
Event Code 2000az5g An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000az5g, A comma-separated list of event ids that are associated to an event.

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