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Minor earthquake: M3.09 quake has struck near Bayamon in Puerto Rico



Earthquake location 18.4116S, -66.1681WA minor earthquake magnitude 3.09 (ml/mb) has struck on Monday, 1 kilometers (1 miles) from Bayamon in Puerto Rico. Exact location of event, depth 115 km, -66.1681° West, 18.4116° North. The temblor was detected at 21:09:41 / 9:09 pm (local time epicenter). All ids that are associated to the event: pr2017199000. Unique identifier: pr2017199000. The earthquake was roughly at a depth of 115 km (71 miles). Global date and time of event UTC/GMT: 18/07/17 / 2017-07-18 01:09:41 / July 18, 2017 @ 1:09 am.

Event epicenter was 9 km (6 miles) from San Juan (c. 418 100 pop), 2 km (1 miles) from Bayamón (c. 203 500 pop), 22 km (14 miles) from Carolina (c. 170 400 pop), 65 km (40 miles) from Ponce (c. 152 600 pop), 23 km (15 miles) from Caguas (c. 86 800 pop). Nearest cities/city/villages to epicentrum/hypocenter was Guayanilla, Lares, Camuy (min 5000 pop). Close country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected).

There are an estimated 130,000 minor quakes in the world each year. In the past 24 hours, there have been twelve, in the last 10 days fifteen, in the past 30 days thirty-five and in the last 365 days two hundred and five 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.

Questions or comments?

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 1 km NW of Bayamon, Puerto Rico. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.09 mb The magnitude for the event.
Longitude -66.1681° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.4116° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 115 km Depth of the event in kilometers.
Place 1km NW of Bayamon, 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 2017-07-18 01:09:41 Time when the event occurred. UTC/GMT
Updated 2017-07-18 04:43:47 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 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 147 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 15 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.1329 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.15 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 211 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 pr2017199000 Id of event.
Event Code 2017199000 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2017199000, A comma-separated list of event ids that are associated to an event.

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