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Minor earthquake, 3.05 mag strikes near Arroyo in Puerto Rico


Earthquake location 17.922S, -66.011WA minor earthquake with magnitude 3.05 (ml/mb) was detected on Thursday, 7 kilometers (4 miles) from Arroyo in Puerto Rico. The temblor was picked up at 16:06:09 / 4:06 pm (local time epicenter). Event id: pr2018130005. Ids that are associated to the earthquake: pr2018130005. The epicenter was at a depth of 13 km (8 miles). Exact time and date of earthquake 10/05/18 / 2018-05-10 20:06:09 / May 10, 2018 @ 8:06 pm UTC/GMT. Exact location of event, depth 13 km, -66.011° West, 17.922° North.

Epicenter of the earthquake was 61 km (38 miles) from San Juan (c. 418 100 pop), 55 km (34 miles) from Bayamón (c. 203 500 pop), 51 km (32 miles) from Carolina (c. 170 400 pop), 65 km (40 miles) from Ponce (c. 152 600 pop), 35 km (22 miles) from Caguas (c. 86 800 pop). Closest city/cities/towns to epicentrum/hypocenter was Estancias de Florida, Peñuelas, Florida (min 5000 pop). Close country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

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. In the past 24 hours, there have been four, in the last 10 days five, in the past 30 days ten and in the last 365 days seventy-four earthquakes of magnitude 3.0 or greater that have been detected nearby.

How would you describe the shaking?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 7 km SE of Arroyo, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.05 mb The magnitude for the event.
Longitude -66.011° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.922° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 13 km Depth of the event in kilometers.
Place 7km SE of Arroyo, 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 2018-05-10 20:06:09 Time when the event occurred. UTC/GMT
Updated 2018-05-10 21:08:40 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 Timezone offset from UTC in minutes at the event epicenter.
Felt 4 The total number of felt reports
CDI 4.3 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 11 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.1052 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.09 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 248 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 pr2018130005 Id of event.
Event Code 2018130005 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2018130005, A comma-separated list of event ids that are associated to an event.

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