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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.1 mag strikes near Cuajinicuilapa in Mexico

Earthquake location 16.0042S, -98.6264WA light earthquake with magnitude 4.1 (ml/mb) was detected on Saturday, 55 kilometers (34 miles) from Cuajinicuilapa in Mexico. The temblor was reported at 21:12:52 / 9:12 pm (local time epicenter). Exact location of earthquake, longitude -98.6264 West, latitude 16.0042 North, depth = 20.53 km. Global time and date of event 12/03/17 / 2017-03-12 04:12:52 / March 12, 2017 @ 4:12 am UTC/GMT. Event ids that are associated to the earthquake: us10008eut. Id of event: us10008eut. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter of the earthquake was roughly 20.53 km (13 miles) below the earth’s surface.

The epicenter was 71 km (44 miles) from Santiago Pinotepa Nacional (c. 25 700 pop), 80 km (50 miles) from Ometepec (c. 17 800 pop), 91 km (57 miles) from Santiago Jamiltepec (c. 9 900 pop), 57 km (35 miles) from Cuajinicuilapa de Santa Maria (c. 9 400 pop), 90 km (56 miles) from San Luis Acatlán (c. 8 300 pop), 77 km (48 miles) from Copala (c. 6 900 pop). Nearby country/countries, Mexico (c. 112 469 000 pop) (That might be effected). Closest city/cities/towns to epicentrum/hypocenter was Santiago Jamiltepec, San Luis Acatlán, Pinotepa de Don Luis (min 5000 pop).

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

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: 55 km SSW of Cuajinicuilapa, Mexico.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude -98.6264° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 16.0042° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 20.53 km Depth of the event in kilometers.
Place 55km SSW of Cuajinicuilapa, Mexico Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-03-12 04:12:52 Time when the event occurred. UTC/GMT
Updated 2017-04-06 02:44:30 Time when the event was most recently updated. UTC/GMT
Timezone offset -420 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 0.615 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.04 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 177 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 us10008eut Id of event.
Event Code 10008eut An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10008eut, A comma-separated list of event ids that are associated to an event.

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