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Minor earthquake: M3.03 quake has struck near Garrochales in Puerto Rico


Earthquake location 18.4488S, -66.5625WA minor earthquake magnitude 3.03 (ml/mb) has struck on Saturday, 0 kilometers (0 miles) from Garrochales in Puerto Rico. Global time and date of event 07/04/18 / 2018-04-07 14:39:10 / April 7, 2018 @ 2:39 pm UTC/GMT. The earthquake was roughly at a depth of 116 km (72 miles). Event ids that are associated to the earthquake: pr2018097013. Id of event: pr2018097013. Exact location of earthquake, -66.5625° West, 18.4488° North, depth 116 km. The 3.03-magnitude earthquake was detected at 10:39:10 / 10:39 am (local time epicenter).

Country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Event epicenter was 48 km (30 miles) from San Juan (c. 418 100 pop), 43 km (27 miles) from Bayamón (c. 203 500 pop), 64 km (40 miles) from Carolina (c. 170 400 pop), 49 km (30 miles) from Ponce (c. 152 600 pop), 59 km (37 miles) from Caguas (c. 86 800 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Puerto Real, Río Grande, Patillas.

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

Did you feel anything?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. 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: 0 km SE of Garrochales, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.03 mb The magnitude for the event.
Longitude -66.5625° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.4488° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 116 km Depth of the event in kilometers.
Place 0km SE of Garrochales, 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 2018-04-07 14:39:10 Time when the event occurred. UTC/GMT
Updated 2018-04-07 15:27:15 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 141 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 6 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.217 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.23 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 270 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 pr2018097013 Id of event.
Event Code 2018097013 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2018097013, A comma-separated list of event ids that are associated to an event.

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