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

Posted by admin on July 20, 2015 0 Comments

Earthquake location 19.0219S, -67.7062WA minor earthquake with magnitude 3.1 (ml/mb) was detected on Sunday, 86 km NW of San Antonio, Puerto Rico (53 miles). Exact location of earthquake, -67.7062° West, 19.0219° North, depth 71 km. The 3.1-magnitude earthquake was detected at 19:04:36 / 7:04 pm (local time epicenter). The epicenter of the earthquake was roughly 71 km (44 miles) below the earth’s surface. Id of earthquake: pr15201000. Event ids that are associated: pr15201000. Date and time of earthquake in UTC/GMT: 20/07/15 / 2015-07-20 00:04:36 / July 20, 2015 @ 12:04 am.

Each 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. In the past 24 hours, there have been nine, in the last 10 days fifty-six, in the past 30 days sixty-three and in the last 365 days two hundred and seventy earthquakes of magnitude 3.0 or greater that was reported nearby.

How would you describe the shaking?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 86 km NW of San Antonio, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -67.7062° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.0219° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 71 km Depth of the event in kilometers.
Place 86km NW 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 2015-07-20 00:04:36 Time when the event occurred. UTC/GMT
Updated 2015-07-20 00:26:34 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 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 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 8 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.81387365 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.27 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 241.2 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 pr15201000 Id of event.
Event Code 15201000 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr15201000, A comma-separated list of event ids that are associated to an event.

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