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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.4 mag, offshore Oaxaca, Mexico

Earthquake location 15.787S, -94.4218WA light earthquake magnitude 4.4 (ml/mb) has occurred on Saturday, offshore Oaxaca, Mexico kilometers (0 miles) from offshore Oaxaca, Mexico. The earthquake occurred at a depth of 57.77 km (36 miles) below the earth’s surface. Exact location of event, longitude -94.4218 West, latitude 15.787 North, depth = 57.77 km. Event ids that are associated to the earthquake: us2000aizg. Id of event: us2000aizg. Exact time and date of event in UTC/GMT: 09/09/17 / 2017-09-09 18:50:43 / September 9, 2017 @ 6:50 pm. The temblor was detected at 18:50:43 / 6:50 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Earthquake epicenter was 94 km (59 miles) from Salina Cruz (c. 73 600 pop), 79 km (49 miles) from Tonalá (c. 32 900 pop), 75 km (46 miles) from Arriaga (c. 22 800 pop), 88 km (55 miles) from Unión Hidalgo (c. 12 700 pop), 62 km (39 miles) from Chahuite (c. 9 800 pop), 68 km (42 miles) from Las Amilpas (c. 8 800 pop). Nearby country/countries that might be effected, Mexico (c. 112 469 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was Salina Cruz, Unión Hidalgo, Tonalá (min 5000 pop).

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

Did you feel the quake?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: offshore Oaxaca, Mexico.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude -94.4218° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 15.787° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 57.77 km Depth of the event in kilometers.
Place offshore Oaxaca, 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 18:50:43 Time when the event occurred. UTC/GMT
Updated 2017-09-12 18:16:11 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt 1 The total number of felt reports
CDI 1 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 298 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 2.852 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.81 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 187 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 us2000aizg Id of event.
Event Code 2000aizg An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000aizg, A comma-separated list of event ids that are associated to an event.

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