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Minor earthquake, 2.85 mag was detected near H. Rivera Colon in Puerto Rico

Earthquake location 18.3356S, -66.2486WA minor earthquake magnitude 2.85 (ml/mb) strikes 2 kilometers (1 miles) from H. Rivera Colon in Puerto Rico on Wednesday. Global date and time of event UTC/GMT: 12/12/18 / 2018-12-12 09:27:53 / December 12, 2018 @ 9:27 am. Event ids that are associated to the earthquake: pr2018346002. Id of event: pr2018346002. The earthquake occurred at a depth of 60 km (37 miles) below the earth’s surface. Exact location, longitude -66.2486° West, latitude 18.3356° North, depth = 60 km. The 2.85-magnitude earthquake has occurred at 05:27:53 / 5:27 am (local time epicenter).

Nearest cities/city/towns to hypocenter/epicentrum was Quebradillas, Yauco, Guayanilla (min 5000 pop). Epicenter of the earthquake was 21 km (13 miles) from San Juan (c. 418 100 pop), 12 km (7 miles) from Bayamón (c. 203 500 pop), 31 km (19 miles) from Carolina (c. 170 400 pop), 53 km (33 miles) from Ponce (c. 152 600 pop), 24 km (15 miles) from Caguas (c. 86 800 pop). Nearby country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected).

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

Did you feel the quake?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 2 km ESE of H. Rivera Colon, Puerto Rico. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.85 mb The magnitude for the event.
Longitude -66.2486° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.3356° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 60 km Depth of the event in kilometers.
Place 2km ESE of H. Rivera Colon, 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 2018-12-12 09:27:53 Time when the event occurred. UTC/GMT
Updated 2018-12-12 11:57:28 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 125 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 0.1671 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.11 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 161 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 pr2018346002 Id of event.
Event Code 2018346002 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2018346002, A comma-separated list of event ids that are associated to an event.

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