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Minor earthquake, 3 mag was detected near Loiza in Puerto Rico


Earthquake location 18.9377S, -65.9018WA minor earthquake magnitude 3 (ml/mb) strikes 56 kilometers (35 miles) from Loiza in Puerto Rico on Tuesday. Date and time of earthquake in UTC/GMT: 22/09/15 / 2015-09-22 04:37:56 / September 22, 2015 @ 4:37 am. Exact location of earthquake, longitude -65.9018 West, latitude 18.9377 North, depth = 13 km. The earthquake was roughly at a depth of 13 km (8 miles). The temblor was reported at 00:37:56 / 12:37 am (local time epicenter). Unique identifier: pr15265002. Ids that are associated to the event: pr15265002.

Closest city/cities/towns to epicentrum/hypocenter was Aguas Buenas, Gurabo, Vega Baja (min 5000 pop). Nearby country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). Epicenter of the event was 57 km (35 miles) from San Juan (c. 418 100 pop), 66 km (41 miles) from Bayamón (c. 203 500 pop), 62 km (39 miles) from Carolina (c. 170 400 pop), 68 km (42 miles) from Guaynabo (c. 81 400 pop), 66 km (41 miles) from Trujillo Alto (c. 54 200 pop).

There are an estimated 130,000 minor quakes in the world each year. In the past 24 hours, there have been two, in the last 10 days seventeen, in the past 30 days ninety-two and in the last 365 days five hundred and fourty earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage.

Did you feel the quake?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. 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: 56 km N of Loiza, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3 mb The magnitude for the event.
Longitude -65.9018° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.9377° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 13 km Depth of the event in kilometers.
Place 56km N of Loiza, 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 2015-09-22 04:37:56 Time when the event occurred. UTC/GMT
Updated 2015-09-22 08:06:59 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 138 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 5 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.64768532 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.18 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 298.8 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 pr15265002 Id of event.
Event Code 15265002 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr15265002, A comma-separated list of event ids that are associated to an event.

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