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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake: M3.7 quake has struck near San Antonio in Puerto Rico

Earthquake location 18.9697S, -67.2478WA minor earthquake with magnitude 3.7 (ml/mb) was detected on Saturday, 55 kilometers (34 miles) from San Antonio in Puerto Rico. The epicenter was at a depth of 17.43 km (11 miles). The 3.7-magnitude earthquake has occurred at 02:42:25 / 2:42 am (local time epicenter). Event id: us70005r0q. Ids that are associated to the earthquake: us70005r0q. Exact location, longitude -67.2478° West, latitude 18.9697° North, depth = 17.43 km. Exact time and date of event in UTC/GMT: 05/10/19 / 2019-10-05 06:42:25 / October 5, 2019 @ 6:42 am.

Country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Event epicenter was 86 km (54 miles) from Mayagüez (c. 78 600 pop), 79 km (49 miles) from Arecibo (c. 49 300 pop), 61 km (38 miles) from Aguadilla (c. 16 100 pop), 57 km (36 miles) from Isabela (c. 12 500 pop), 75 km (47 miles) from San Sebastián (c. 11 600 pop), 85 km (53 miles) from Lares (c. 7 200 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Mayagüez, Lares, Las Marías.

In the past 24 hours, there have been fifteen, in the last 10 days one hundred and eighty, in the past 30 days two hundred and eighty-two and in the last 365 days six hundred and thirty-two earthquakes of magnitude 3.0 or greater that was reported nearby. There are an estimated 130,000 minor earthquakes in the world each year. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

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. 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: 55 km NNW of San Antonio, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.7 mb The magnitude for the event.
Longitude -67.2478° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.9697° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 17.43 km Depth of the event in kilometers.
Place 55km NNW of San Antonio, Puerto Rico Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2019-10-05 06:42:25 Time when the event occurred. UTC/GMT
Updated 2019-10-05 06:58:22 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 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 211 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 0.755 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.68 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 179 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mwr The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us70005r0q Id of event.
Event Code 70005r0q An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us70005r0q, A comma-separated list of event ids that are associated to an event.

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