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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag strikes near Hidalgotitlan in Mexico


Earthquake location 17.6137S, -94.4188WA light earthquake magnitude 4 (ml/mb) has struck on Sunday, 29 kilometers (18 miles) from Hidalgotitlan in Mexico. Exact location of earthquake, -94.4188° West, 17.6137° North, depth 138.64 km. Id of earthquake: us1000498q. Event ids that are associated: us1000498q. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 138.64 km (86 miles) below the earth’s surface. Exact time and date of earthquake 21/12/15 / 2015-12-21 03:01:28 / December 21, 2015 @ 3:01 am UTC/GMT. The temblor was detected at 21:01:28 / 9:01 pm (local time epicenter).

Closest city/cities/towns to epicentrum/hypocenter was Mecayapan, Tatahuicapan, Pajapan (min 5000 pop). Earthquake epicenter was 58 km (36 miles) from Coatzacoalcos (c. 230 700 pop), 45 km (28 miles) from Minatitlan (c. 150 900 pop), 64 km (40 miles) from Acayucan (c. 47 000 pop), 50 km (31 miles) from Las Choapas (c. 40 300 pop), 65 km (41 miles) from Agua Dulce (c. 36 100 pop), 51 km (32 miles) from Villa Nanchital (c. 26 000 pop). Country/countries that might be effected, Mexico (c. 112 469 000 pop).

Each year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days one and in the last 365 days fourteen 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.

How would you describe the shaking?

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: 29 km SE of Hidalgotitlan, Mexico.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -94.4188° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.6137° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 138.64 km Depth of the event in kilometers.
Place 29km SE of Hidalgotitlan, Mexico Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-12-21 03:01:28 Time when the event occurred. UTC/GMT
Updated 2015-12-29 01:02:54 Time when the event was most recently updated. UTC/GMT
Timezone offset -360 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 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 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 0.683 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.11 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 92 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 us1000498q Id of event.
Event Code 1000498q An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000498q, A comma-separated list of event ids that are associated to an event.

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