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Minor earthquake: M3.1 quake has struck near Puerto Real in Puerto Rico



Earthquake location 18.0783S, -67.691WA minor earthquake magnitude 3.1 (ml/mb) strikes 53 kilometers (33 miles) from Puerto Real in Puerto Rico on Saturday. The epicenter was at a depth of 145 km (90 miles). The temblor was picked up at 12:57:32 / 12:57 pm (local time epicenter). Exact location of earthquake, -67.691° West, 18.0783° North, depth 145 km. Exact time and date of earthquake 31/03/18 / 2018-03-31 17:57:32 / March 31, 2018 @ 5:57 pm UTC/GMT. Event ids that are associated to the earthquake: pr2018090011. Id of event: pr2018090011.

Closest city/cities/towns to epicentrum/hypocenter was San Sebastián, Sabana Grande, Las Marías (min 5000 pop). Close country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). Epicenter of the earthquake was 60 km (37 miles) from Mayagüez (c. 78 600 pop), 69 km (43 miles) from Aguadilla (c. 16 100 pop), 68 km (42 miles) from San Germán (c. 12 100 pop), 60 km (37 miles) from Hormigueros (c. 11 900 pop), 79 km (49 miles) from San Sebastián (c. 11 600 pop).

In the past 24 hours, there have been one, in the last 10 days fifteen, in the past 30 days twenty-eight and in the last 365 days two hundred and twenty-eight earthquakes of magnitude 3.0 or greater that has occurred nearby. Every year there are an estimated 130,000 minor earthquakes in the world. Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage.

Did you feel it?

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. 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: 53 km W of Puerto Real, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -67.691° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.0783° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 145 km Depth of the event in kilometers.
Place 53km W of Puerto Real, 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 2018-03-31 17:57:32 Time when the event occurred. UTC/GMT
Updated 2018-03-31 19:39:08 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 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 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 5 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.5858 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.05 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 334 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 pr2018090011 Id of event.
Event Code 2018090011 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2018090011, A comma-separated list of event ids that are associated to an event.

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