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Minor earthquake, 3.15 mag strikes near San Juan in Puerto Rico


Earthquake location 19.1341S, -65.989WA minor earthquake magnitude 3.15 (ml/mb) strikes 74 kilometers (46 miles) from San Juan in Puerto Rico on Monday. Unique identifier: pr2019091005. Ids that are associated to the event: pr2019091005. Exact time and date of event in UTC/GMT: 01/04/19 / 2019-04-01 08:33:37 / April 1, 2019 @ 8:33 am. The temblor was picked up at 04:33:37 / 4:33 am (local time epicenter). The epicenter of the earthquake was roughly 9 km (6 miles) below the earth’s surface. Exact location of event, longitude -65.989 West, latitude 19.1341 North, depth = 9 km.

Earthquake epicenter was 75 km (47 miles) from San Juan (c. 418 100 pop), 79 km (49 miles) from Levittown (c. 29 800 pop), 78 km (49 miles) from Cataño (c. 28 100 pop), 79 km (49 miles) from Loíza (c. 4 300 pop). Nearby country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Closest city/cities/towns to epicentrum/hypocenter was Loíza, Levittown, Cataño (min 5000 pop).

In the past 24 hours, there have been two, in the last 10 days sixteen, in the past 30 days thirty-one and in the last 365 days two hundred and seventy-nine earthquakes of magnitude 3.0 or greater that was reported nearby. Each 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?

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 data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 74 km N of San Juan, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.15 mb The magnitude for the event.
Longitude -65.989° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.1341° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 9 km Depth of the event in kilometers.
Place 74km N of San Juan, 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 2019-04-01 08:33:37 Time when the event occurred. UTC/GMT
Updated 2019-04-01 18:45:31 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 153 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 16 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.8305 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.39 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 293 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 pr2019091005 Id of event.
Event Code 2019091005 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2019091005, A comma-separated list of event ids that are associated to an event.

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