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Minor earthquake: M2.9 quake has struck near Arecibo in Puerto Rico


Earthquake location 19.1161S, -66.621WA minor earthquake with magnitude 2.9 (ml/mb) was reported 71 kilometers (44 miles) from Arecibo in Puerto Rico on Friday. The epicenter of the earthquake was roughly 36 km (22 miles) below the earth’s surface. Unique identifier: pr16302005. Ids that are associated to the event: pr16302005. Exact location, longitude -66.621° West, latitude 19.1161° North, depth = 36 km. Exact time and date of earthquake 28/10/16 / 2016-10-28 11:23:50 / October 28, 2016 @ 11:23 am UTC/GMT. The temblor was picked up at 07:23:50 / 7:23 am (local time epicenter).

Nearest cities/city/towns to hypocenter/epicentrum was Barceloneta, Camuy, Hatillo (min 5000 pop). Epicenter of the earthquake was 72 km (45 miles) from Arecibo (c. 49 300 pop), 75 km (46 miles) from Barceloneta (c. 22 300 pop), 73 km (46 miles) from Hatillo (c. 5 600 pop), 74 km (46 miles) from Camuy (c. 4 200 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. There are an estimated 130,000 minor earthquakes in the world each year. In the past 24 hours, there have been 0, in the last 10 days six, in the past 30 days fifteen and in the last 365 days one hundred and ninety-nine earthquakes of magnitude 3.0 or greater that has occurred nearby.

Did you feel the quake?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage 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: 71 km N of Arecibo, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.9 mb The magnitude for the event.
Longitude -66.621° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.1161° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 36 km Depth of the event in kilometers.
Place 71km N of Arecibo, 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 2016-10-28 11:23:50 Time when the event occurred. UTC/GMT
Updated 2016-10-28 16:04:34 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 129 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 6 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.77524609 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 277.2 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 pr16302005 Id of event.
Event Code 16302005 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr16302005, A comma-separated list of event ids that are associated to an event.

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