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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag strikes near San Ildefonso Amatlán in Mexico

Earthquake location 16.3127S, -96.5029WA light earthquake with magnitude 4 (ml/mb) was reported 2 kilometers (1 miles) from San Ildefonso Amatlán in Mexico on Wednesday. The epicenter of the earthquake was roughly 35 km (22 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude -96.5029 West, latitude 16.3127 North, depth = 35 km. Event ids that are associated to the earthquake: us6000ahm4. Id of event: us6000ahm4. The temblor was picked up at 03:44:50 / 3:44 am (local time epicenter). Exact time and date of event in UTC/GMT: 24/06/20 / 2020-06-24 03:44:50 / June 24, 2020 @ 3:44 am.

Nearest cities/city/villages to epicentrum/hypocenter was Oaxaca de Juárez, Tlalixtac de Cabrera, Santa Cruz Amilpas (min 5000 pop). The epicenter was 87 km (54 miles) from Oaxaca de Juárez (c. 262 600 pop), 83 km (52 miles) from Santa Cruz Xoxocotlán (c. 61 800 pop), 82 km (51 miles) from San Antonio de la Cal (c. 20 200 pop), 79 km (49 miles) from Puerto Escondido (c. 19 500 pop), 10 km (6 miles) from Miahuatlán de Porfirio Díaz (c. 17 600 pop), 72 km (45 miles) from Crucecita (c. 15 100 pop). Close country/countries, Mexico (c. 112 469 000 pop) (That might be effected).

In the past 24 hours, there have been fourteen, in the last 10 days fifteen, in the past 30 days sixteen and in the last 365 days twenty-seven earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. There are an estimated 13,000 light earthquakes in the world each year.

Questions or comments?

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 2 km SSW of San Ildefonso Amatlán, Mexico. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -96.5029° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 16.3127° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 35 km Depth of the event in kilometers.
Place 2 km SSW of San Ildefonso Amatlán, Mexico Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-06-24 03:44:50 Time when the event occurred. UTC/GMT
Updated 2020-07-06 01:50:36 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 2.333 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.44 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 188 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 us6000ahm4 Id of event.
Event Code 6000ahm4 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000ahm4, A comma-separated list of event ids that are associated to an event.

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