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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.1 mag has occurred near Salina Cruz in Mexico

Posted by admin on October 13, 2017 0 Comments

Earthquake location 15.7657S, -95.3164WA light earthquake with magnitude 4.1 (ml/mb) was reported 46 kilometers (29 miles) from Salina Cruz in Mexico on Wednesday. The 4.1-magnitude earthquake was detected at 08:37:27 / 8:37 am (local time epicenter). Exact location of event, depth 33.23 km, -95.3164° West, 15.7657° North. Global time and date of event 20/09/17 / 2017-09-20 14:37:27 / September 20, 2017 @ 2:37 pm UTC/GMT. The earthquake occurred at a depth of 33.23 km (21 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). All ids that are associated to the event: us2000azit. Unique identifier: us2000azit.

Nearest cities/city/towns to hypocenter/epicentrum was Crucecita, Asunción Ixtaltepec, El Espinal (min 5000 pop). The epicenter was 48 km (30 miles) from Salina Cruz (c. 73 600 pop), 81 km (50 miles) from Juchitán de Zaragoza (c. 67 600 pop), 63 km (39 miles) from Santo Domingo Tehuantepec (c. 37 400 pop), 88 km (54 miles) from Crucecita (c. 15 100 pop), 83 km (52 miles) from Jalapa (c. 8 300 pop), 85 km (53 miles) from El Espinal (c. 7 800 pop). Nearby country/countries that might be effected, Mexico (c. 112 469 000 pop).

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

How would you describe the shaking?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 46 km SSW of Salina Cruz, Mexico.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude -95.3164° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 15.7657° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 33.23 km Depth of the event in kilometers.
Place 46km 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 2017-09-20 14:37:27 Time when the event occurred. UTC/GMT
Updated 2017-10-13 09:07:00 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 259 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 0.762 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.52 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 163 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 us2000azit Id of event.
Event Code 2000azit An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000azit, A comma-separated list of event ids that are associated to an event.

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