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Minor earthquake 2.94 mag, 57 km N of San Antonio, Puerto Rico


Earthquake location 19.0038S, -67.1921WA minor earthquake magnitude 2.94 (ml/mb) strikes 57 kilometers (35 miles) from San Antonio in Puerto Rico on Thursday. The earthquake occurred at a depth of 93 km (58 miles). Event id: pr2019269010. Ids that are associated to the earthquake: pr2019269010. The temblor was reported at 08:52:36 / 8:52 am (local time epicenter). Date and time of earthquake in UTC/GMT: 26/09/19 / 2019-09-26 12:52:36 / September 26, 2019 @ 12:52 pm. Exact location, longitude -67.1921° West, latitude 19.0038° North, depth = 93 km.

Epicenter of the event was 78 km (48 miles) from Arecibo (c. 49 300 pop), 64 km (40 miles) from Aguadilla (c. 16 100 pop), 59 km (36 miles) from Isabela (c. 12 500 pop), 77 km (48 miles) from San Sebastián (c. 11 600 pop), 69 km (43 miles) from Hatillo (c. 5 600 pop). Closest city/cities/towns to epicentrum/hypocenter was Arecibo, San Sebastián, Rincón (min 5000 pop). Nearby country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage. In the past 24 hours, there have been nine, in the last 10 days ninety, in the past 30 days one hundred and seven and in the last 365 days four hundred and twenty-six earthquakes of magnitude 3.0 or greater that has struck near. There are an estimated 130,000 minor quakes in the world each year.

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. 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: 57 km N of San Antonio, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.94 mb The magnitude for the event.
Longitude -67.1921° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.0038° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 93 km Depth of the event in kilometers.
Place 57km N 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 12:52:36 Time when the event occurred. UTC/GMT
Updated 2019-09-26 14:02:54 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 133 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 15 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.5424 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.62 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 204 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 pr2019269010 Id of event.
Event Code 2019269010 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2019269010, A comma-separated list of event ids that are associated to an event.

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