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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake: M3.29 quake has struck near Stella in Puerto Rico


Earthquake location 18.2405S, -67.5551WA minor earthquake magnitude 3.29 (ml/mb) has struck on Friday, 33 kilometers (21 miles) from Stella in Puerto Rico. The temblor was reported at 16:12:09 / 4:12 pm (local time epicenter). Date and time of earthquake in UTC/GMT: 03/08/18 / 2018-08-03 21:12:09 / August 3, 2018 @ 9:12 pm. Event ids that are associated to the earthquake: pr2018215012. Id of event: pr2018215012. The epicenter was at a depth of 136 km (85 miles). Exact location of event, depth 136 km, -67.5551° West, 18.2405° North.

Close country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Earthquake epicenter was 44 km (27 miles) from Mayagüez (c. 78 600 pop), 78 km (48 miles) from Yauco (c. 20 300 pop), 47 km (29 miles) from Aguadilla (c. 16 100 pop), 63 km (39 miles) from Isabela (c. 12 500 pop), 57 km (35 miles) from San Germán (c. 12 100 pop). Closest city/cities/towns to epicentrum/hypocenter was Hatillo, Camuy, Yauco (min 5000 pop).

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

Questions or comments?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 33 km WSW of Stella, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.29 mb The magnitude for the event.
Longitude -67.5551° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.2405° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 136 km Depth of the event in kilometers.
Place 33km WSW of Stella, 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 2018-08-03 21:12:09 Time when the event occurred. UTC/GMT
Updated 2018-08-04 00:38:58 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 167 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 14 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.4737 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.32 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 303 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 pr2018215012 Id of event.
Event Code 2018215012 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2018215012, A comma-separated list of event ids that are associated to an event.

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