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Minor earthquake 3.04 mag, 65 km N of Isabela, Puerto Rico


Earthquake location 19.091S, -67.1005WA minor earthquake with magnitude 3.04 (ml/mb) was reported 65 kilometers (40 miles) from Isabela in Puerto Rico on Wednesday. The temblor was reported at 13:58:52 / 1:58 pm (local time epicenter). Event id: pr2019345009. Ids that are associated to the earthquake: pr2019345009. The epicenter of the earthquake was roughly 50 km (31 miles) below the earth’s surface. Exact location, longitude -67.1005° West, latitude 19.091° North, depth = 50 km. Date and time of earthquake in UTC/GMT: 11/12/19 / 2019-12-11 17:58:52 / December 11, 2019 @ 5:58 pm.

Nearest cities/city/towns to hypocenter/epicentrum was Moca, Aguadilla, Hatillo (min 5000 pop). Close country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Event epicenter was 74 km (46 miles) from Aguadilla (c. 16 100 pop), 66 km (41 miles) from Isabela (c. 12 500 pop), 73 km (45 miles) from Hatillo (c. 5 600 pop), 71 km (44 miles) from Quebradillas (c. 5 600 pop), 77 km (48 miles) from Moca (c. 5 000 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 five, in the last 10 days thirty-two, in the past 30 days ninety-one and in the last 365 days seven hundred and fifty-four earthquakes of magnitude 3.0 or greater that have been detected in the same area.

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. 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: 65 km N of Isabela, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.04 mb The magnitude for the event.
Longitude -67.1005° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.091° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 50 km Depth of the event in kilometers.
Place 65km N of Isabela, 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 2019-12-11 17:58:52 Time when the event occurred. UTC/GMT
Updated 2019-12-11 20:59:16 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 142 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 8 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.6236 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.89 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 230 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 pr2019345009 Id of event.
Event Code 2019345009 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2019345009, A comma-separated list of event ids that are associated to an event.

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