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Minor earthquake, 2.83 mag was detected near San Antonio in Puerto Rico


Earthquake location 18.8606S, -67.4391WA minor earthquake magnitude 2.83 (ml/mb) strikes 54 kilometers (34 miles) from San Antonio in Puerto Rico on Monday. Global time and date of event 16/10/18 / 2018-10-16 01:04:23 / October 16, 2018 @ 1:04 am UTC/GMT. Exact location of earthquake, -67.4391° West, 18.8606° North, depth 6 km. The earthquake was roughly at a depth of 6 km (4 miles). The 2.83-magnitude earthquake was detected at 21:04:23 / 9:04 pm (local time epicenter). Unique identifier: pr2018289002. Ids that are associated to the event: pr2018289002.

Nearby country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). Event epicenter was 57 km (35 miles) from Aguadilla (c. 16 100 pop), 59 km (37 miles) from Isabela (c. 12 500 pop), 75 km (47 miles) from San Sebastián (c. 11 600 pop), 72 km (44 miles) from Añasco (c. 6 100 pop), 77 km (48 miles) from Hatillo (c. 5 600 pop). Nearest cities/city/towns to hypocenter/epicentrum was Hatillo, Camuy, San Sebastián (min 5000 pop).

Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. Every year there are an estimated 1,300,000 minor earthquakes in the world. In the past 24 hours, there have been one, in the last 10 days twelve, in the past 30 days fourty-four and in the last 365 days three hundred and eighty-seven earthquakes of magnitude 3.0 or greater that has occurred nearby.

Questions or comments?

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: 54 km NW of San Antonio, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.83 mb The magnitude for the event.
Longitude -67.4391° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.8606° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 6 km Depth of the event in kilometers.
Place 54km NW 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 2018-10-16 01:04:23 Time when the event occurred. UTC/GMT
Updated 2018-10-16 05:41:40 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 123 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 16 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.4778 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.28 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 223 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 pr2018289002 Id of event.
Event Code 2018289002 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2018289002, A comma-separated list of event ids that are associated to an event.

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