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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.1 mag has occurred near San Francisco del Mar in Mexico



Earthquake location 15.6501S, -94.4786WA light earthquake magnitude 4.1 (ml/mb) has occurred on Tuesday, 67 kilometers (42 miles) from San Francisco del Mar in Mexico. The epicenter of the earthquake was roughly 41.63 km (26 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 time and date of event in UTC/GMT: 26/09/17 / 2017-09-26 16:07:46 / September 26, 2017 @ 4:07 pm. The 4.1-magnitude earthquake has occurred at 10:07:46 / 10:07 am (local time epicenter). All ids that are associated to the event: us2000b028. Unique identifier: us2000b028. Exact location of earthquake, -94.4786° West, 15.6501° North, depth 41.63 km.

Close country/countries that might be effected, Mexico (c. 112 469 000 pop). Closest city/cities/towns to epicentrum/hypocenter was Tonalá, Arriaga, El Espinal (min 5000 pop). The epicenter was 91 km (57 miles) from Tonalá (c. 32 900 pop), 90 km (56 miles) from Arriaga (c. 22 800 pop), 79 km (49 miles) from Chahuite (c. 9 800 pop), 81 km (50 miles) from Las Amilpas (c. 8 800 pop), 89 km (56 miles) from El Espinal (c. 7 600 pop), 86 km (53 miles) from San Pedro Tapanatepec (c. 7 200 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. There are an estimated 13,000 light quakes in the world each year. In the past 24 hours, there have been fourty, in the last 10 days ninety-five, in the past 30 days three hundred and fourty-eight and in the last 365 days three hundred and sixty-four earthquakes of magnitude 3.0 or greater that was reported nearby.

Did you feel anything?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 67 km SSE of San Francisco del Mar, Mexico.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude -94.4786° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 15.6501° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 41.63 km Depth of the event in kilometers.
Place 67km SSE 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 2017-09-26 16:07:46 Time when the event occurred. UTC/GMT
Updated 2017-10-17 20:58:45 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 259 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 1.214 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.71 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 171 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 us2000b028 Id of event.
Event Code 2000b028 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000b028, A comma-separated list of event ids that are associated to an event.

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