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Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.25 mag was detected near Rincon in Puerto Rico



Earthquake location 18.5835S, -67.47WA minor earthquake with magnitude 3.25 (ml/mb) was reported 35 kilometers (22 miles) from Rincon in Puerto Rico on Monday. The earthquake occurred at a depth of 6 km (4 miles) below the earth’s surface. Exact location of event, depth 6 km, -67.47° West, 18.5835° North. Exact time and date of event in UTC/GMT: 25/09/17 / 2017-09-25 17:42:35 / September 25, 2017 @ 5:42 pm. The 3.25-magnitude earthquake was detected at 13:42:35 / 1:42 pm (local time epicenter). Event ids that are associated to the earthquake: pr2017268000. Id of event: pr2017268000.

Closest city/cities/towns to epicentrum/hypocenter was Arecibo, Sabana Grande, Lajas (min 5000 pop). Close country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). The epicenter was 55 km (34 miles) from Mayagüez (c. 78 600 pop), 80 km (50 miles) from Arecibo (c. 49 300 pop), 38 km (23 miles) from Aguadilla (c. 16 100 pop), 48 km (30 miles) from Isabela (c. 12 500 pop), 72 km (44 miles) from San Germán (c. 12 100 pop).

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

Did you feel it?

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. 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: 35 km NW of Rincon, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.25 mb The magnitude for the event.
Longitude -67.47° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.5835° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 6 km Depth of the event in kilometers.
Place 35km NW of Rincon, 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 2017-09-25 17:42:35 Time when the event occurred. UTC/GMT
Updated 2017-10-16 22:28:50 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 162 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 4 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.1993 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.01 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 314 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 pr2017268000 Id of event.
Event Code 2017268000 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2017268000, A comma-separated list of event ids that are associated to an event.

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