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Light earthquake, 4.4 mag has occurred near San Francisco del Mar in Mexico

Posted by admin on October 4, 2017 0 Comments

Earthquake location 15.8774S, -94.7831WA light earthquake with magnitude 4.4 (ml/mb) was detected on Wednesday, 41 kilometers (25 miles) from San Francisco del Mar in Mexico. The 4.4-magnitude earthquake was detected at 09:17:50 / 9:17 am (local time epicenter). The earthquake was roughly at a depth of 9.59 km (6 miles). Date and time of earthquake in UTC/GMT: 04/10/17 / 2017-10-04 15:17:50 / October 4, 2017 @ 3:17 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event ids that are associated to the earthquake: us2000b0yw. Id of event: us2000b0yw. Exact location of earthquake, longitude -94.7831 West, latitude 15.8774 North, depth = 9.59 km.

Event epicenter was 56 km (35 miles) from Salina Cruz (c. 73 600 pop), 67 km (42 miles) from Juchitán de Zaragoza (c. 67 600 pop), 70 km (43 miles) from Santo Domingo Tehuantepec (c. 37 400 pop), 85 km (53 miles) from San Jerónimo Ixtepec (c. 23 200 pop), 66 km (41 miles) from Unión Hidalgo (c. 12 700 pop), 79 km (49 miles) from Chahuite (c. 9 800 pop). Nearby country/countries that might be effected, Mexico (c. 112 469 000 pop). Closest city/cities/towns to epicentrum/hypocenter was El Espinal, San Jerónimo Ixtepec, San Pedro Tapanatepec (min 5000 pop).

Every year there are an estimated 13,000 light earthquakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been three, in the last 10 days twenty-one, in the past 30 days two hundred and thirty-two and in the last 365 days two hundred and fifty-one earthquakes of magnitude 3.0 or greater that was reported nearby.

Questions or comments?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 41 km SSW of San Francisco del Mar, Mexico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude -94.7831° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 15.8774° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 9.59 km Depth of the event in kilometers.
Place 41km SSW of San Francisco del Mar, Mexico Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-10-04 15:17:50 Time when the event occurred. UTC/GMT
Updated 2017-10-04 21:37:54 Time when the event was most recently updated. UTC/GMT
Timezone offset -360 Timezone offset from UTC in minutes at the event epicenter.
Felt 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 3.209 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.65 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 181 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 us2000b0yw Id of event.
Event Code 2000b0yw An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000b0yw, A comma-separated list of event ids that are associated to an event.

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