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Minor earthquake, 3.1 mag has occurred near Indios in Puerto Rico


Earthquake location 17.9365S, -66.7871WA minor earthquake magnitude 3.1 (ml/mb) strikes 7 kilometers (4 miles) from Indios in Puerto Rico on Wednesday. The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface. Exact location of event, longitude -66.7871 West, latitude 17.9365 North, depth = 10 km. The temblor was picked up at 04:42:18 / 4:42 am (local time epicenter). All ids that are associated to the event: us6000d485. Unique identifier: us6000d485. Global date and time of event UTC/GMT: 30/12/20 / 2020-12-30 04:42:18 / December 30, 2020 @ 4:42 am.

Nearest cities/city/towns to hypocenter/epicentrum was Candelaria Arenas, Candelaria, Dorado (min 5000 pop). Nearby country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). Earthquake epicenter was 20 km (12 miles) from Ponce (c. 152 600 pop), 47 km (30 miles) from Mayagüez (c. 78 600 pop), 60 km (37 miles) from Arecibo (c. 49 300 pop), 70 km (44 miles) from Vega Baja (c. 29 300 pop), 63 km (39 miles) from Barceloneta (c. 22 300 pop).

Each year there are an estimated 130,000 minor earthquakes in the world. In the past 24 hours, there have been seven, in the last 10 days sixty-three, in the past 30 days ninety-six and in the last 365 days two thousand, eight hundred and fifty-eight 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.

How would you describe the shaking?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. 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: 7 km SSE of Indios, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -66.7871° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.9365° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 7 km SSE of Indios, 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 2020-12-30 04:42:18 Time when the event occurred. UTC/GMT
Updated 2020-12-30 04:53:31 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 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 0.077 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.51 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 194 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 us6000d485 Id of event.
Event Code 6000d485 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000d485, A comma-separated list of event ids that are associated to an event.

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