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Minor earthquake, 3 mag has occurred near Isabela in Puerto Rico

Earthquake location 18.9095S, -67.0636WA minor earthquake with magnitude 3 (ml/mb) was detected on Tuesday, 45 kilometers (28 miles) from Isabela in Puerto Rico. Global time and date of event 10/04/18 / 2018-04-10 10:22:47 / April 10, 2018 @ 10:22 am UTC/GMT. Exact location of earthquake, longitude -67.0636 West, latitude 18.9095 North, depth = 53 km. The epicenter of the earthquake was roughly 53 km (33 miles) below the earth’s surface. The 3-magnitude earthquake was detected at 06:22:47 / 6:22 am (local time epicenter). Unique identifier: pr2018100007. Ids that are associated to the event: pr2018100007.

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Barceloneta, Las Marías, Lares. Epicenter of the earthquake was 61 km (38 miles) from Arecibo (c. 49 300 pop), 75 km (47 miles) from Barceloneta (c. 22 300 pop), 54 km (34 miles) from Aguadilla (c. 16 100 pop), 46 km (28 miles) from Isabela (c. 12 500 pop), 64 km (40 miles) from San Sebastián (c. 11 600 pop). Nearby country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

In the past 24 hours, there have been one, in the last 10 days ten, in the past 30 days twenty-four and in the last 365 days three hundred and one 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. There are an estimated 130,000 minor earthquakes in the world each year.

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. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 45 km N of Isabela, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3 mb The magnitude for the event.
Longitude -67.0636° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.9095° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 53 km Depth of the event in kilometers.
Place 45km N of Isabela, 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 2018-04-10 10:22:47 Time when the event occurred. UTC/GMT
Updated 2018-04-10 15:43:23 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 138 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 0.4446 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.68 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 210 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 pr2018100007 Id of event.
Event Code 2018100007 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2018100007, A comma-separated list of event ids that are associated to an event.

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