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Minor World Earthquakes Magnitude -3.9

Minor earthquake: M3.9 quake has struck near Indios in Puerto Rico


Earthquake location 17.9022S, -66.8279WA minor earthquake magnitude 3.9 (ml/mb) has struck on Sunday, 10 kilometers (6 miles) from Indios in Puerto Rico. Exact location, longitude -66.8279° West, latitude 17.9022° North, depth = 10 km. Exact time and date of event in UTC/GMT: 12/01/20 / 2020-01-12 10:57:24 / January 12, 2020 @ 10:57 am. Event ids that are associated to the earthquake: usa0005zwf. Id of event: usa0005zwf. The 3.9-magnitude earthquake was detected at 06:57:24 / 6:57 am (local time epicenter). The epicenter of the earthquake was roughly 10 km (6 miles) below the earth’s surface.

Nearby country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was Ingenio, Patillas, Candelaria Arenas (min 5000 pop). Epicenter of the event was 26 km (16 miles) from Ponce (c. 152 600 pop), 47 km (29 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), 76 km (47 miles) from Guayama (c. 21 600 pop).

In the past 24 hours, there have been six hundred and twenty-four, in the last 10 days eight hundred and eighty-four, in the past 30 days nine hundred and thirty-nine and in the last 365 days nine hundred and eighty-two earthquakes of magnitude 3.0 or greater that has occurred nearby. There are an estimated 130,000 minor earthquakes in the world each year. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

Did you feel anything?

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 10 km S of Indios, Puerto Rico. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.9 mb The magnitude for the event.
Longitude -66.8279° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.9022° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 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 2020-01-12 10:57:24 Time when the event occurred. UTC/GMT
Updated 2020-01-31 13:19:27 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 2.821 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 234 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 0.167 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.63 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 170 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 usa0005zwf Id of event.
Event Code a0005zwf An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,usa0005zwf, A comma-separated list of event ids that are associated to an event.

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