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Minor earthquake, 3.1 mag strikes near Indios in Puerto Rico


Earthquake location 17.9813S, -66.8345WA minor earthquake magnitude 3.1 (ml/mb) has struck on Thursday, 8 kilometers (5 miles) from Indios in Puerto Rico. The temblor was picked up at 19:18:28 / 7:18 pm (local time epicenter). Date and time of earthquake in UTC/GMT: 16/01/20 / 2020-01-16 23:18:28 / January 16, 2020 @ 11:18 pm. Exact location, longitude -66.8345° West, latitude 17.9813° North, depth = 11 km. The epicenter of the earthquake was roughly 11 km (7 miles) below the earth’s surface. Event ids that are associated to the earthquake: us700071cn, pr2020016121. Id of event: pr2020016121.

Nearest cities/city/villages to epicentrum/hypocenter was Dorado, Campanilla, Toa Baja (min 5000 pop). Nearby country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Event epicenter was 24 km (15 miles) from Ponce (c. 152 600 pop), 40 km (25 miles) from Mayagüez (c. 78 600 pop), 56 km (35 miles) from Arecibo (c. 49 300 pop), 70 km (43 miles) from Vega Baja (c. 29 300 pop), 61 km (38 miles) from Barceloneta (c. 22 300 pop).

In the past 24 hours, there have been one hundred and ninety-three, in the last 10 days five hundred and seventy-four, in the past 30 days six hundred and seventy-seven and in the last 365 days seven hundred and fourty-nine earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage. Every year there are an estimated 130,000 minor earthquakes in the world.

Did you feel the quake?

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 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: 8 km S of Indios, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -66.8345° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.9813° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 11 km Depth of the event in kilometers.
Place 8km 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 2020-01-16 23:18:28 Time when the event occurred. UTC/GMT
Updated 2020-01-21 12:55:34 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 Timezone offset from UTC in minutes at the event epicenter.
Felt 1 The total number of felt reports
CDI 3.4 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 pr The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,us,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 0.0451 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.21 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 188 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 pr2020016121 Id of event.
Event Code 2020016121 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us700071cn,pr2020016121, A comma-separated list of event ids that are associated to an event.

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