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Minor earthquake, 3.08 mag has occurred near San Antonio in Puerto Rico



Earthquake location 18.7428S, -67.4461WA minor earthquake magnitude 3.08 (ml/mb) has struck on Friday, 45 kilometers (28 miles) from San Antonio in Puerto Rico. The epicenter was at a depth of 10 km (6 miles). Id of earthquake: pr2017252000. Event ids that are associated: pr2017252000. Date and time of earthquake in UTC/GMT: 09/09/17 / 2017-09-09 03:36:37 / September 9, 2017 @ 3:36 am. Exact location of event, longitude -67.4461 West, latitude 18.7428 North, depth = 10 km. The 3.08-magnitude earthquake has occurred at 23:36:37 / 11:36 pm (local time epicenter).

Epicenter of the earthquake was 68 km (42 miles) from Mayagüez (c. 78 600 pop), 47 km (29 miles) from Aguadilla (c. 16 100 pop), 52 km (32 miles) from Isabela (c. 12 500 pop), 75 km (47 miles) from Hormigueros (c. 11 900 pop), 66 km (41 miles) from San Sebastián (c. 11 600 pop). Nearby country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Lares, Hormigueros, Las Marías.

In the past 24 hours, there have been two, in the last 10 days eight, in the past 30 days thirty-six and in the last 365 days three hundred and eight earthquakes of magnitude 3.0 or greater that has struck near. There are an estimated 130,000 minor earthquakes in the world each year. Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage.

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: 45 km NW of San Antonio, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.08 mb The magnitude for the event.
Longitude -67.4461° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.7428° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 45km NW of San Antonio, 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 2017-09-09 03:36:37 Time when the event occurred. UTC/GMT
Updated 2017-09-09 04:08:16 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 146 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 13 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.3599 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.32 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 212 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 pr2017252000 Id of event.
Event Code 2017252000 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2017252000, A comma-separated list of event ids that are associated to an event.

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