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Minor earthquake, 3.1 mag was detected near Puerto Rico region


Earthquake location 19.0937S, -66.1009WA minor earthquake magnitude 3.1 (ml/mb) has occurred on Thursday, Puerto Rico region kilometers (0 miles) from Puerto Rico region. The epicenter of the earthquake was roughly 31 km (19 miles) below the earth’s surface. The temblor was picked up at 11:32:05 / 11:32 am (local time epicenter). Exact time and date of earthquake 17/09/15 / 2015-09-17 11:32:05 / September 17, 2015 @ 11:32 am UTC/GMT. Exact location of earthquake, -66.1009° West, 19.0937° North, depth 31 km. Event ids that are associated to the earthquake: pr15260004. Id of event: pr15260004.

Nearest cities/city/villages to epicentrum/hypocenter was Santa Barbara, Toa Alta, Vega Alta (min 5000 pop). Country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Epicenter of the earthquake was 70 km (43 miles) from San Juan (c. 418 100 pop), 78 km (48 miles) from Bayamón (c. 203 500 pop), 72 km (45 miles) from Levittown (c. 29 800 pop), 78 km (49 miles) from Vega Baja (c. 29 300 pop), 73 km (45 miles) from Cataño (c. 28 100 pop).

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

Did you feel it?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: Puerto Rico region.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -66.1009° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.0937° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 31 km Depth of the event in kilometers.
Place Puerto Rico region Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-09-17 11:32:05 Time when the event occurred. UTC/GMT
Updated 2015-09-17 12:21:21 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 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 16 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.73572022 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 226.8 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 pr15260004 Id of event.
Event Code 15260004 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr15260004, A comma-separated list of event ids that are associated to an event.

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