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Minor earthquake, 3.1 mag was detected near San Antonio in Puerto Rico


Earthquake location 18.9831S, -67.3176WA minor earthquake with magnitude 3.1 (ml/mb) was detected on Thursday, 59 kilometers (37 miles) from San Antonio in Puerto Rico. Date and time of earthquake in UTC/GMT: 26/09/19 / 2019-09-26 14:20:56 / September 26, 2019 @ 2:20 pm. The epicenter of the earthquake was roughly 86 km (53 miles) below the earth’s surface. Exact location of earthquake, -67.3176° West, 18.9831° North, depth 86 km. Id of earthquake: pr2019269036. Event ids that are associated: pr2019269036. The 3.1-magnitude earthquake was detected at 10:20:56 / 10:20 am (local time epicenter).

Close country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). Event epicenter was 64 km (40 miles) from Aguadilla (c. 16 100 pop), 62 km (38 miles) from Isabela (c. 12 500 pop), 80 km (50 miles) from San Sebastián (c. 11 600 pop), 80 km (50 miles) from Añasco (c. 6 100 pop), 76 km (47 miles) from Hatillo (c. 5 600 pop). Closest city/cities/towns to epicentrum/hypocenter was Añasco, San Sebastián, Hatillo (min 5000 pop).

In the past 24 hours, there have been thirty-one, in the last 10 days one hundred and thirty-three, in the past 30 days one hundred and fifty-two and in the last 365 days five hundred and thirty-four earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage. There are an estimated 130,000 minor earthquakes in the world each year.

Did you feel anything?

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

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -67.3176° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.9831° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 86 km Depth of the event in kilometers.
Place 59km 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 2019-09-26 14:20:56 Time when the event occurred. UTC/GMT
Updated 2019-09-27 10:11:44 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 148 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 8 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.5554 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.33 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 290 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 pr2019269036 Id of event.
Event Code 2019269036 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2019269036, A comma-separated list of event ids that are associated to an event.

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