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Minor earthquake, 3.1 mag strikes near Puerto Rico region


Earthquake location 19.097S, -66.152WA minor earthquake with magnitude 3.1 (ml/mb) was detected on Thursday, Puerto Rico region kilometers (0 miles) from Puerto Rico region. Exact location of earthquake, -66.152° West, 19.097° North, depth 12 km. The epicenter of the earthquake was roughly 12 km (7 miles) below the earth’s surface. All ids that are associated to the event: pr15260008. Unique identifier: pr15260008. Exact time and date of event in UTC/GMT: 17/09/15 / 2015-09-17 11:37:04 / September 17, 2015 @ 11:37 am. The temblor was reported at 11:37:04 / 11:37 am (local time epicenter).

Close country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Toa Alta, Loíza, Vega Alta. The epicenter was 70 km (44 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), 77 km (48 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 four, in the last 10 days nineteen, in the past 30 days sixty-one and in the last 365 days four hundred and seventy-seven earthquakes of magnitude 3.0 or greater that was reported nearby. There are an estimated 130,000 minor earthquakes in the world each year.

Did you feel the quake?

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. 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: Puerto Rico region.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -66.152° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.097° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 12 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 11:37:04 Time when the event occurred. UTC/GMT
Updated 2015-09-17 16:31:14 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 3 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.86687425 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 291.6 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 pr15260008 Id of event.
Event Code 15260008 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr15260008, A comma-separated list of event ids that are associated to an event.

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