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Minor earthquake 3.1 mag, 13 km S of Indios, Puerto Rico


Earthquake location 17.8766S, -66.8034WA minor earthquake magnitude 3.1 (ml/mb) strikes 13 kilometers (8 miles) from Indios in Puerto Rico on Saturday. The epicenter was at a depth of 10 km (6 miles). Event id: usa0005za1. Ids that are associated to the earthquake: usa0005za1. Date and time of earthquake in UTC/GMT: 11/01/20 / 2020-01-11 13:23:18 / January 11, 2020 @ 1:23 pm. Exact location of event, depth 10 km, -66.8034° West, 17.8766° North. The 3.1-magnitude earthquake was detected at 09:23:18 / 9:23 am (local time epicenter).

Nearest cities/city/towns to hypocenter/epicentrum was Ceiba, Arroyo, Vega Alta (min 5000 pop). Epicenter of the event was 25 km (16 miles) from Ponce (c. 152 600 pop), 51 km (31 miles) from Mayagüez (c. 78 600 pop), 67 km (42 miles) from Arecibo (c. 49 300 pop), 77 km (48 miles) from Vega Baja (c. 29 300 pop), 70 km (43 miles) from Barceloneta (c. 22 300 pop). Close country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

In the past 24 hours, there have been eight hundred and fifty, in the last 10 days one thousand, one hundred and twenty-three, in the past 30 days one thousand, one hundred and seventy-four and in the last 365 days one thousand, two hundred and fifteen 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. Every year there are an estimated 130,000 minor earthquakes in the world.

Did you feel anything?

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. 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: 13 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 -66.8034° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.8766° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 13km 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 2020-01-11 13:23:18 Time when the event occurred. UTC/GMT
Updated 2020-02-08 20:56:11 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 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 0.121 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.59 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 usa0005za1 Id of event.
Event Code a0005za1 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,usa0005za1, A comma-separated list of event ids that are associated to an event.

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