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Minor earthquake: M3.17 quake has struck near Indios in Puerto Rico


Earthquake location 17.8976S, -66.8206WA minor earthquake with magnitude 3.17 (ml/mb) was reported 10 kilometers (6 miles) from Indios in Puerto Rico on Wednesday. The 3.17-magnitude earthquake has occurred at 23:31:03 / 11:31 pm (local time epicenter). The earthquake was roughly at a depth of 7 km (4 miles). Global date and time of event UTC/GMT: 09/01/20 / 2020-01-09 03:31:03 / January 9, 2020 @ 3:31 am. All ids that are associated to the event: pr2020009035. Unique identifier: pr2020009035. Exact location of event, depth 7 km, -66.8206° West, 17.8976° North.

Nearby country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). Earthquake epicenter was 25 km (16 miles) from Ponce (c. 152 600 pop), 48 km (30 miles) from Mayagüez (c. 78 600 pop), 65 km (40 miles) from Arecibo (c. 49 300 pop), 76 km (47 miles) from Vega Baja (c. 29 300 pop), 68 km (42 miles) from Barceloneta (c. 22 300 pop). Nearest cities/city/towns to hypocenter/epicentrum was Ceiba, Vega Alta, Cidra (min 5000 pop).

Every year there are an estimated 130,000 minor earthquakes in the world. In the past 24 hours, there have been fourty-seven, in the last 10 days one hundred and eighty-eight, in the past 30 days two hundred and twenty-six and in the last 365 days two hundred and sixty-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. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 10 km S of Indios, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.17 mb The magnitude for the event.
Longitude -66.8206° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.8976° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 7 km Depth of the event in kilometers.
Place 10km S 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 2020-01-09 03:31:03 Time when the event occurred. UTC/GMT
Updated 2020-01-10 02:27:09 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 155 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 10 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.2349 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.19 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 218 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 pr2020009035 Id of event.
Event Code 2020009035 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2020009035, A comma-separated list of event ids that are associated to an event.

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