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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake 3.4 mag, 74 km N of Brenas, Puerto Rico


Earthquake location 19.138S, -66.3752WA minor earthquake with magnitude 3.4 (ml/mb) was reported 74 kilometers (46 miles) from Brenas in Puerto Rico on Sunday. The 3.4-magnitude earthquake was detected at 10:23:26 / 10:23 am (local time epicenter). The earthquake occurred at a depth of 113 km (70 miles) below the earth’s surface. Global time and date of event 09/08/15 / 2015-08-09 14:23:26 / August 9, 2015 @ 2:23 pm UTC/GMT. Exact location of earthquake, -66.3752° West, 19.138° North, depth 113 km. Event id: pr15221012. Ids that are associated to the earthquake: pr15221012.

Close country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). Epicenter of the event was 80 km (50 miles) from San Juan (c. 418 100 pop), 82 km (51 miles) from Arecibo (c. 49 300 pop), 79 km (49 miles) from Levittown (c. 29 800 pop), 77 km (48 miles) from Vega Baja (c. 29 300 pop), 82 km (51 miles) from Cataño (c. 28 100 pop). Nearest cities/city/towns to hypocenter/epicentrum was Candelaria, Arecibo, Cataño (min 5000 pop).

Each year there are an estimated 130,000 minor quakes in the world. In the past 24 hours, there have been five, in the last 10 days seventy-five, in the past 30 days one hundred and fourty-six and in the last 365 days three hundred and seventy-seven 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.

Did you feel anything?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking 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: 74 km N of Brenas, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.4 mb The magnitude for the event.
Longitude -66.3752° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.138° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 113 km Depth of the event in kilometers.
Place 74km N of Brenas, 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 2015-08-09 14:23:26 Time when the event occurred. UTC/GMT
Updated 2015-08-09 15:14:33 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 178 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 17 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.67283815 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.23 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 230.4 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 pr15221012 Id of event.
Event Code 15221012 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr15221012, A comma-separated list of event ids that are associated to an event.

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