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Minor earthquake 3.12 mag, 24 km NNW of Loiza, Puerto Rico



Earthquake location 18.6433S, -65.9401WA minor earthquake magnitude 3.12 (ml/mb) has occurred on Wednesday, 24 kilometers (15 miles) from Loiza in Puerto Rico. Exact time and date of event in UTC/GMT: 02/08/17 / 2017-08-02 04:38:19 / August 2, 2017 @ 4:38 am. The temblor was picked up at 00:38:19 / 12:38 am (local time epicenter). The earthquake occurred at a depth of 65 km (40 miles) below the earth’s surface. Exact location of event, longitude -65.9401 West, latitude 18.6433 North, depth = 65 km. Event id: pr2017214001. Ids that are associated to the earthquake: pr2017214001.

Earthquake epicenter was 26 km (16 miles) from San Juan (c. 418 100 pop), 35 km (22 miles) from Bayamón (c. 203 500 pop), 29 km (18 miles) from Carolina (c. 170 400 pop), 47 km (29 miles) from Caguas (c. 86 800 pop), 37 km (23 miles) from Guaynabo (c. 81 400 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Coco, Culebra, Coamo. Nearby country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected).

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 three, in the last 10 days ten, in the past 30 days thirty-three and in the last 365 days three hundred and twenty-four earthquakes of magnitude 3.0 or greater that was reported nearby.

Did you feel anything?

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: 24 km NNW of Loiza, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.12 mb The magnitude for the event.
Longitude -65.9401° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.6433° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 65 km Depth of the event in kilometers.
Place 24km NNW 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 2017-08-02 04:38:19 Time when the event occurred. UTC/GMT
Updated 2017-08-02 05:34:56 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 150 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 12 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.3638 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.29 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 203 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 pr2017214001 Id of event.
Event Code 2017214001 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2017214001, A comma-separated list of event ids that are associated to an event.

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