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Minor earthquake, 3.1 mag strikes near Potala Pastillo in Puerto Rico

Earthquake location 17.9616S, -66.4751WA minor earthquake magnitude 3.1 (ml/mb) has struck on Tuesday, 4 kilometers (2 miles) from Potala Pastillo in Puerto Rico. All ids that are associated to the event: us7000cr4r. Unique identifier: us7000cr4r. Exact location of earthquake, -66.4751° West, 17.9616° North, depth 24.33 km. The epicenter was at a depth of 24.33 km (15 miles). Global time and date of event 15/12/20 / 2020-12-15 00:39:02 / December 15, 2020 @ 12:39 am UTC/GMT. The temblor was detected at 00:39:02 / 12:39 am (local time epicenter).

Country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Event epicenter was 68 km (42 miles) from San Juan (c. 418 100 pop), 59 km (37 miles) from Bayamón (c. 203 500 pop), 72 km (45 miles) from Carolina (c. 170 400 pop), 16 km (10 miles) from Ponce (c. 152 600 pop), 54 km (34 miles) from Caguas (c. 86 800 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Punta Santiago, Añasco, San Isidro.

Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage. Each year there are an estimated 130,000 minor quakes in the world. In the past 24 hours, there have been four, in the last 10 days eighteen, in the past 30 days fourty-seven and in the last 365 days two thousand, eight hundred and sixteen earthquakes of magnitude 3.0 or greater that was reported nearby.

How would you describe the shaking?

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: 4 km SE of Potala Pastillo, Puerto Rico. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -66.4751° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.9616° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 24.33 km Depth of the event in kilometers.
Place 4 km SE of Potala Pastillo, 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 2020-12-15 00:39:02 Time when the event occurred. UTC/GMT
Updated 2020-12-15 00:55:13 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt 1 The total number of felt reports
CDI 2.7 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 148 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network us The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,us, A comma-separated list of network contributors.
Number of Stations Used The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.148 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.97 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 175 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type ml The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us7000cr4r Id of event.
Event Code 7000cr4r An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000cr4r, A comma-separated list of event ids that are associated to an event.

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