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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4 quake has struck near Palomares in Mexico



Earthquake location 17.2252S, -94.9198WA light earthquake with magnitude 4 (ml/mb) was reported 17 kilometers (11 miles) from Palomares in Mexico on Sunday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, -94.9198° West, 17.2252° North, depth 151.06 km. The epicenter was at a depth of 151.06 km (94 miles). Date and time of earthquake in UTC/GMT: 07/08/17 / 2017-08-07 04:58:45 / August 7, 2017 @ 4:58 am. The 4-magnitude earthquake was detected at 22:58:45 / 10:58 pm (local time epicenter). Id of earthquake: us2000ae83. Event ids that are associated: us2000ae83.

The epicenter was 88 km (55 miles) from Juchitán de Zaragoza (c. 67 600 pop), 80 km (50 miles) from Acayucan (c. 47 000 pop), 74 km (46 miles) from San Jerónimo Ixtepec (c. 23 200 pop), 41 km (25 miles) from Matías Romero (c. 21 100 pop), 84 km (52 miles) from Unión Hidalgo (c. 12 700 pop), 78 km (49 miles) from Oluta (c. 11 500 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Juchitán de Zaragoza, Unión Hidalgo, Coacotla. Country/countries that might be effected, Mexico (c. 112 469 000 pop).

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days two and in the last 365 days twenty-two earthquakes of magnitude 3.0 or greater that has struck near. 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.

How would you describe the shaking?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home 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: 17 km ENE of Palomares, Mexico.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -94.9198° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.2252° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 151.06 km Depth of the event in kilometers.
Place 17km ENE of Palomares, Mexico Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-08-07 04:58:45 Time when the event occurred. UTC/GMT
Updated 2017-09-04 02:53:44 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 0.137 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.43 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 53 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 us2000ae83 Id of event.
Event Code 2000ae83 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000ae83, A comma-separated list of event ids that are associated to an event.

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