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Light earthquake: M4.4 quake has struck near Petatlan in Mexico


Earthquake location 17.319S, -101.1265WA light earthquake with magnitude 4.4 (ml/mb) was reported 26 kilometers (16 miles) from Petatlan in Mexico on Tuesday. 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 10 km (6 miles) below the earth’s surface. The 4.4-magnitude earthquake was detected at 17:25:59 / 5:25 pm (local time epicenter). Exact location of event, longitude -101.1265 West, latitude 17.319 North, depth = 10 km. All ids that are associated to the event: us70005xfl. Unique identifier: us70005xfl. Global date and time of event UTC/GMT: 22/10/19 / 2019-10-22 23:25:59 / October 22, 2019 @ 11:25 pm.

Epicenter of the event was 58 km (36 miles) from Ixtapa-Zihuatanejo (c. 61 300 pop), 75 km (46 miles) from Atoyac de Álvarez (c. 21 400 pop), 29 km (18 miles) from Petatlán (c. 21 000 pop), 53 km (33 miles) from Tecpan de Galeana (c. 14 600 pop), 67 km (42 miles) from San José Ixtapa (Barrio Viejo) (c. 8 700 pop), 73 km (45 miles) from San Jerónimo de Juárez (c. 7 300 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Atoyac de Álvarez, San Jerónimo de Juárez, San José Ixtapa (Barrio Viejo). Nearby country/countries that might be effected, Mexico (c. 112 469 000 pop).

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. 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 seven earthquakes of magnitude 3.0 or greater that has occurred nearby.

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: 26 km SE of Petatlan, Mexico.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude -101.1265° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.319° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 26km SE of Petatlan, Mexico Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2019-10-22 23:25:59 Time when the event occurred. UTC/GMT
Updated 2019-10-22 23:58:46 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 298 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 2.317 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.98 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 218 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 us70005xfl Id of event.
Event Code 70005xfl An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us70005xfl, A comma-separated list of event ids that are associated to an event.

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