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Minor earthquake, 3.01 mag was detected near Hatillo in Puerto Rico


Earthquake location 18.8525S, -66.7675WA minor earthquake magnitude 3.01 (ml/mb) has occurred on Monday, 40 kilometers (25 miles) from Hatillo in Puerto Rico. Date and time of earthquake in UTC/GMT: 10/12/18 / 2018-12-10 18:38:25 / December 10, 2018 @ 6:38 pm. Exact location of event, depth 37 km, -66.7675° West, 18.8525° North. The temblor was picked up at 14:38:25 / 2:38 pm (local time epicenter). The earthquake occurred at a depth of 37 km (23 miles) below the earth’s surface. Unique identifier: pr2018344005. Ids that are associated to the event: pr2018344005.

Event epicenter was 43 km (26 miles) from Arecibo (c. 49 300 pop), 76 km (47 miles) from Levittown (c. 29 800 pop), 61 km (38 miles) from Vega Baja (c. 29 300 pop), 51 km (32 miles) from Barceloneta (c. 22 300 pop), 77 km (48 miles) from Adjuntas (c. 19 500 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Maricao, Sabana Seca, Candelaria. Close country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected).

In the past 24 hours, there have been four, in the last 10 days eleven, in the past 30 days nineteen and in the last 365 days two hundred and fourty-five earthquakes of magnitude 3.0 or greater that was reported nearby. 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.

Did you feel the quake?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 40 km N of Hatillo, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.01 mb The magnitude for the event.
Longitude -66.7675° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.8525° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 37 km Depth of the event in kilometers.
Place 40km 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 2018-12-10 18:38:25 Time when the event occurred. UTC/GMT
Updated 2018-12-10 18:57:17 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 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 19 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.3826 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.23 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 252 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 pr2018344005 Id of event.
Event Code 2018344005 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2018344005, A comma-separated list of event ids that are associated to an event.

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