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Minor earthquake: M2.9 quake has struck near San Antonio in Puerto Rico

Posted by admin on July 12, 2015 0 Comments

Earthquake location 18.575S, -67.1193WA minor earthquake magnitude 2.9 (ml/mb) has occurred on Sunday, 9 kilometers (6 miles) from San Antonio in Puerto Rico. Event id: pr15193004. Ids that are associated to the earthquake: pr15193004. The 2.9-magnitude earthquake was detected at 02:21:50 / 2:21 am (local time epicenter). Date and time of earthquake in UTC/GMT: 12/07/15 / 2015-07-12 06:21:50 / July 12, 2015 @ 6:21 am. The epicenter of the earthquake was roughly 87 km (54 miles) below the earth’s surface. Exact location of event, depth 87 km, -67.1193° West, 18.575° North.

Country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Event epicenter was 42 km (26 miles) from Mayagüez (c. 78 600 pop), 44 km (27 miles) from Arecibo (c. 49 300 pop), 63 km (39 miles) from Barceloneta (c. 22 300 pop), 66 km (41 miles) from Yauco (c. 20 300 pop), 62 km (38 miles) from Adjuntas (c. 19 500 pop). Nearest cities/city/towns to hypocenter/epicentrum was Ciales, Peñuelas, Guayanilla (min 5000 pop).

There are an estimated 130,000 minor earthquakes in the world each year. Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage. In the past 24 hours, there have been 0, in the last 10 days two, in the past 30 days eleven and in the last 365 days one hundred and seventy-nine earthquakes of magnitude 3.0 or greater that has occurred nearby.

How would you describe the shaking?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 9 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 2.9 mb The magnitude for the event.
Longitude -67.1193° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.575° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 87 km Depth of the event in kilometers.
Place 9km 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 2015-07-12 06:21:50 Time when the event occurred. UTC/GMT
Updated 2015-07-12 08:06:06 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 129 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 9 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.1060012 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.28 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 216 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 pr15193004 Id of event.
Event Code 15193004 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr15193004, A comma-separated list of event ids that are associated to an event.

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