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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake 3.5 mag, 45 km NNW of San Antonio, Puerto Rico

Posted by admin on September 23, 2015 0 Comments

Earthquake location 18.878S, -67.237WA minor earthquake magnitude 3.5 (ml/mb) has occurred on Wednesday, 45 kilometers (28 miles) from San Antonio in Puerto Rico. Exact location of earthquake, -67.237° West, 18.878° North, depth 5 km. The 3.5-magnitude earthquake has occurred at 15:42:17 / 3:42 pm (local time epicenter). The earthquake was roughly at a depth of 5 km (3 miles). Global date and time of event UTC/GMT: 23/09/15 / 2015-09-23 19:42:17 / September 23, 2015 @ 7:42 pm. Event id: pr15266009. Ids that are associated to the earthquake: pr15266009, us20003ng2.

Close country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was Hormigueros, Maricao, Mayagüez (min 5000 pop). The epicenter was 76 km (47 miles) from Mayagüez (c. 78 600 pop), 71 km (44 miles) from Arecibo (c. 49 300 pop), 51 km (32 miles) from Aguadilla (c. 16 100 pop), 48 km (30 miles) from Isabela (c. 12 500 pop), 83 km (52 miles) from Hormigueros (c. 11 900 pop), 66 km (41 miles) from San Sebastián (c. 11 600 pop).

Each year there are an estimated 130,000 minor earthquakes in the world. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. In the past 24 hours, there have been two, in the last 10 days twelve, in the past 30 days thirty-three and in the last 365 days three hundred and fourty-four earthquakes of magnitude 3.0 or greater that was reported nearby.

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: 45 km NNW of San Antonio, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.5 mb The magnitude for the event.
Longitude -67.237° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.878° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 5 km Depth of the event in kilometers.
Place 45km NNW of San Antonio, 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 2015-09-23 19:42:17 Time when the event occurred. UTC/GMT
Updated 2015-09-23 20:41:28 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 188 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,us, A comma-separated list of network contributors.
Number of Stations Used 22 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.42400481 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 208.8 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 pr15266009 Id of event.
Event Code 15266009 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr15266009,us20003ng2, A comma-separated list of event ids that are associated to an event.

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