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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag has occurred near Salina Cruz in Mexico


Earthquake location 14.6019S, -94.7971WA light earthquake with magnitude 4.2 (ml/mb) was reported 178 km SSE of Salina Cruz, Mexico (111 miles) on Friday. The temblor was detected at 01:03:28 / 1:03 am (local time epicenter). The earthquake occurred at a depth of 44.25 km (27 miles) below the earth’s surface. Global date and time of event UTC/GMT: 08/09/17 / 2017-09-08 07:03:28 / September 8, 2017 @ 7:03 am. Exact location of event, longitude -94.7971 West, latitude 14.6019 North, depth = 44.25 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Id of earthquake: us2000ay45. Event ids that are associated: us2000ay45.

In the past 24 hours, there have been one hundred and twenty-four, in the last 10 days one hundred and twenty-five, in the past 30 days one hundred and twenty-five and in the last 365 days one hundred and thirty-one earthquakes of magnitude 3.0 or greater that was reported nearby. 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.

Did you feel the quake?

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: 178 km SSE of Salina Cruz, Mexico.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -94.7971° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 14.6019° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 44.25 km Depth of the event in kilometers.
Place 178km SSE 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 2017-09-08 07:03:28 Time when the event occurred. UTC/GMT
Updated 2017-10-05 13:21:21 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 1.716 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.8 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 139 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 us2000ay45 Id of event.
Event Code 2000ay45 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000ay45, A comma-separated list of event ids that are associated to an event.

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