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Minor earthquake 3 mag, 74 km NNW of San Antonio, Puerto Rico


Earthquake location 19.1421S, -67.2695WA minor earthquake with magnitude 3 (ml/mb) was reported 74 kilometers (46 miles) from San Antonio in Puerto Rico on Friday. Exact location, longitude -67.2695° West, latitude 19.1421° North, depth = 97 km. Id of earthquake: pr2019278005. Event ids that are associated: pr2019278005. The epicenter was at a depth of 97 km (60 miles). Exact time and date of event in UTC/GMT: 05/10/19 / 2019-10-05 00:04:31 / October 5, 2019 @ 12:04 am. The 3-magnitude earthquake was detected at 20:04:31 / 8:04 pm (local time epicenter).

Nearby country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Closest city/cities/towns to epicentrum/hypocenter was Isabela (min 5000 pop). Epicenter of the earthquake was 76 km (47 miles) from Isabela (c. 12 500 pop).

Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage. In the past 24 hours, there have been nineteen, in the last 10 days one hundred and ninety-five, in the past 30 days two hundred and eighty-two and in the last 365 days six hundred and fourty earthquakes of magnitude 3.0 or greater that have been detected nearby. Each year there are an estimated 130,000 minor quakes in the world.

How would you describe the shaking?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage 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: 74 km NNW of San Antonio, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3 mb The magnitude for the event.
Longitude -67.2695° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.1421° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 97 km Depth of the event in kilometers.
Place 74km 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 00:04:31 Time when the event occurred. UTC/GMT
Updated 2019-10-05 08:24:19 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 138 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network pr The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,pr, A comma-separated list of network contributors.
Number of Stations Used 5 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.9836 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.11 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 321 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type md The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID pr2019278005 Id of event.
Event Code 2019278005 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2019278005, A comma-separated list of event ids that are associated to an event.

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