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Minor earthquake: M3.76 quake has struck near Las Marias in Puerto Rico


Earthquake location 18.2478S, -66.974WA minor earthquake magnitude 3.76 (ml/mb) has struck on Saturday, 1 kilometers (1 miles) from Las Marias in Puerto Rico. The 3.76-magnitude earthquake has occurred at 04:55:02 / 4:55 am (local time epicenter). Exact time and date of event in UTC/GMT: 16/02/19 / 2019-02-16 08:55:02 / February 16, 2019 @ 8:55 am. The epicenter of the earthquake was roughly 12 km (7 miles) below the earth’s surface. Id of earthquake: pr2019047010. Event ids that are associated: pr2019047010. Exact location of event, depth 12 km, -66.974° West, 18.2478° North.

Nearest cities/city/towns to hypocenter/epicentrum was Cayey, Levittown, Cidra (min 5000 pop). Event epicenter was 46 km (29 miles) from Ponce (c. 152 600 pop), 18 km (11 miles) from Mayagüez (c. 78 600 pop), 37 km (23 miles) from Arecibo (c. 49 300 pop), 87 km (54 miles) from Levittown (c. 29 800 pop), 66 km (41 miles) from Vega Baja (c. 29 300 pop), 51 km (32 miles) from Barceloneta (c. 22 300 pop). Close country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected).

Every year there are an estimated 130,000 minor earthquakes in the world. In the past 24 hours, there have been three, in the last 10 days six, in the past 30 days fourteen and in the last 365 days two hundred and four earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

Questions or comments?

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 1 km ESE of Las Marias, Puerto Rico. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.76 mb The magnitude for the event.
Longitude -66.974° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.2478° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 12 km Depth of the event in kilometers.
Place 1km ESE of Las Marias, 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 2019-02-16 08:55:02 Time when the event occurred. UTC/GMT
Updated 2019-02-16 09:52:14 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 218 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 0.133 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.18 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 91 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 pr2019047010 Id of event.
Event Code 2019047010 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2019047010, A comma-separated list of event ids that are associated to an event.

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