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Minor earthquake: M2.86 quake has struck near San Antonio in Puerto Rico


Earthquake location 18.7886S, -67.4583WA minor earthquake magnitude 2.86 (ml/mb) strikes 50 kilometers (31 miles) from San Antonio in Puerto Rico on Sunday. The temblor was detected at 00:12:46 / 12:12 am (local time epicenter). The epicenter of the earthquake was roughly 10 km (6 miles) below the earth’s surface. Id of earthquake: pr2018210003. Event ids that are associated: pr2018210003. Global date and time of event UTC/GMT: 29/07/18 / 2018-07-29 04:12:46 / July 29, 2018 @ 4:12 am. Exact location, longitude -67.4583° West, latitude 18.7886° North, depth = 10 km.

The epicenter was 73 km (46 miles) from Mayagüez (c. 78 600 pop), 51 km (32 miles) from Aguadilla (c. 16 100 pop), 56 km (35 miles) from Isabela (c. 12 500 pop), 70 km (44 miles) from San Sebastián (c. 11 600 pop), 66 km (41 miles) from Añasco (c. 6 100 pop). Close country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). Nearest cities/city/towns to hypocenter/epicentrum was Hatillo, Mayagüez, Camuy (min 5000 pop).

Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. In the past 24 hours, there have been 0, in the last 10 days eleven, in the past 30 days twenty-six and in the last 365 days three hundred and sixty-seven earthquakes of magnitude 3.0 or greater that has occurred nearby. Each year there are an estimated 1,300,000 minor quakes in the world.

How would you describe the shaking?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 50 km NW of San Antonio, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.86 mb The magnitude for the event.
Longitude -67.4583° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.7886° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 50km 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 2018-07-29 04:12:46 Time when the event occurred. UTC/GMT
Updated 2018-07-29 06:45:19 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 126 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 10 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.4729 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 219 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 pr2018210003 Id of event.
Event Code 2018210003 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2018210003, A comma-separated list of event ids that are associated to an event.

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