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Minor earthquake, 3 mag was detected near Hatillo in Puerto Rico

Earthquake location 18.6924S, -66.7949WA minor earthquake magnitude 3 (ml/mb) has occurred on Thursday, 23 kilometers (14 miles) from Hatillo in Puerto Rico. The temblor was picked up at 16:03:42 / 4:03 pm (local time epicenter). Exact location of earthquake, longitude -66.7949 West, latitude 18.6924 North, depth = 16 km. Event id: pr16294012. Ids that are associated to the earthquake: pr16294012. Global date and time of event UTC/GMT: 20/10/16 / 2016-10-20 20:03:42 / October 20, 2016 @ 8:03 pm. The earthquake was roughly at a depth of 16 km (10 miles).

Nearest cities/city/villages to epicentrum/hypocenter was Ponce, Juana Díaz, San Juan (min 5000 pop). Epicenter of the earthquake was 77 km (48 miles) from San Juan (c. 418 100 pop), 75 km (47 miles) from Bayamón (c. 203 500 pop), 78 km (49 miles) from Ponce (c. 152 600 pop), 66 km (41 miles) from Mayagüez (c. 78 600 pop), 26 km (16 miles) from Arecibo (c. 49 300 pop). Country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

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

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 data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 23 km N of Hatillo, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3 mb The magnitude for the event.
Longitude -66.7949° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.6924° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 16 km Depth of the event in kilometers.
Place 23km N of Hatillo, 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 2016-10-20 20:03:42 Time when the event occurred. UTC/GMT
Updated 2016-10-20 21:00:05 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 Timezone offset from UTC in minutes at the event epicenter.
Felt 1 The total number of felt reports
CDI 2 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 139 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 20 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.22637545 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.2 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 212.4 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 pr16294012 Id of event.
Event Code 16294012 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr16294012, A comma-separated list of event ids that are associated to an event.

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