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Minor earthquake 3.07 mag, 9 km SSW of Corozal, Puerto Rico



Earthquake location 18.261S, -66.3536WA minor earthquake with magnitude 3.07 (ml/mb) was detected on Saturday, 9 kilometers (6 miles) from Corozal in Puerto Rico. The earthquake occurred at a depth of 32 km (20 miles) below the earth’s surface. Exact location of event, depth 32 km, -66.3536° West, 18.261° North. Global date and time of event UTC/GMT: 19/08/17 / 2017-08-19 09:00:00 / August 19, 2017 @ 9:00 am. The 3.07-magnitude earthquake was detected at 05:00:00 / 5:00 am (local time epicenter). Id of earthquake: pr2017231001. Event ids that are associated: pr2017231001.

Epicenter of the earthquake was 35 km (22 miles) from San Juan (c. 418 100 pop), 26 km (16 miles) from Bayamón (c. 203 500 pop), 44 km (27 miles) from Carolina (c. 170 400 pop), 39 km (24 miles) from Ponce (c. 152 600 pop), 32 km (20 miles) from Caguas (c. 86 800 pop). Close country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). Nearest cities/city/towns to hypocenter/epicentrum was Lajas, San Germán, Isabela (min 5000 pop).

In the past 24 hours, there have been four, in the last 10 days nine, in the past 30 days twenty-one and in the last 365 days one hundred and seventy-eight earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage. Each year there are an estimated 130,000 minor quakes in the world.

How would you describe the shaking?

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, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 9 km SSW of Corozal, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.07 mb The magnitude for the event.
Longitude -66.3536° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.261° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 32 km Depth of the event in kilometers.
Place 9km SSW of Corozal, 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 2017-08-19 09:00:00 Time when the event occurred. UTC/GMT
Updated 2017-08-19 09:24:52 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 145 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 14 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.2396 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.35 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 152 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 pr2017231001 Id of event.
Event Code 2017231001 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2017231001, A comma-separated list of event ids that are associated to an event.

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