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Minor earthquake, 3.11 mag strikes near Indios in Puerto Rico


Earthquake location 17.9273S, -66.8421WA minor earthquake magnitude 3.11 (ml/mb) has struck on Monday, 7 kilometers (4 miles) from Indios in Puerto Rico. The earthquake occurred at a depth of 9 km (6 miles) below the earth’s surface. All ids that are associated to the event: pr2020083016. Unique identifier: pr2020083016. Exact time and date of event in UTC/GMT: 23/03/20 / 2020-03-23 18:16:21 / March 23, 2020 @ 6:16 pm. The 3.11-magnitude earthquake has occurred at 14:16:21 / 2:16 pm (local time epicenter). Exact location, longitude -66.8421° West, latitude 17.9273° North, depth = 9 km.

Epicenter of the earthquake was 26 km (16 miles) from Ponce (c. 152 600 pop), 44 km (27 miles) from Mayagüez (c. 78 600 pop), 62 km (39 miles) from Arecibo (c. 49 300 pop), 75 km (47 miles) from Vega Baja (c. 29 300 pop), 66 km (41 miles) from Barceloneta (c. 22 300 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Ceiba, Guayama, Cidra. Close country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage. There are an estimated 130,000 minor quakes in the world each year. In the past 24 hours, there have been seven, in the last 10 days eighty-two, in the past 30 days two hundred and fourty-six and in the last 365 days one thousand, six hundred and thirty earthquakes of magnitude 3.0 or greater that has occurred nearby.

Questions or comments?

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 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: 7 km SSW of Indios, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.11 mb The magnitude for the event.
Longitude -66.8421° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.9273° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 9 km Depth of the event in kilometers.
Place 7km SSW 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 2020-03-23 18:16:21 Time when the event occurred. UTC/GMT
Updated 2020-03-23 19:28:54 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 149 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 20 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.0605 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.24 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 211 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 pr2020083016 Id of event.
Event Code 2020083016 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2020083016, A comma-separated list of event ids that are associated to an event.

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