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Minor earthquake: M3.11 quake has struck near Loiza in Puerto Rico


Earthquake location 19.0695S, -65.8153WA minor earthquake with magnitude 3.11 (ml/mb) was detected on Tuesday, 70 kilometers (43 miles) from Loiza in Puerto Rico. Event ids that are associated to the earthquake: pr2019324003. Id of event: pr2019324003. The earthquake occurred at a depth of 24 km (15 miles) below the earth’s surface. The 3.11-magnitude earthquake was detected at 22:24:01 / 10:24 pm (local time epicenter). Exact location of event, depth 24 km, -65.8153° West, 19.0695° North. Global date and time of event UTC/GMT: 20/11/19 / 2019-11-20 02:24:01 / November 20, 2019 @ 2:24 am.

Nearby country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Earthquake epicenter was 74 km (46 miles) from San Juan (c. 418 100 pop), 78 km (48 miles) from Carolina (c. 170 400 pop), 79 km (49 miles) from Levittown (c. 29 800 pop), 77 km (48 miles) from Cataño (c. 28 100 pop), 77 km (48 miles) from Río Grande (c. 13 500 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Levittown, Luquillo, Carolina.

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

Did you feel the quake?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 70 km N of Loiza, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.11 mb The magnitude for the event.
Longitude -65.8153° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.0695° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 24 km Depth of the event in kilometers.
Place 70km N 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 2019-11-20 02:24:01 Time when the event occurred. UTC/GMT
Updated 2019-11-20 06:05:56 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 149 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 0.8064 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.25 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 276 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 pr2019324003 Id of event.
Event Code 2019324003 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2019324003, A comma-separated list of event ids that are associated to an event.

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