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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag was detected near Tallaboa in Puerto Rico


Earthquake location 17.9049S, -66.7563WA light earthquake with magnitude 4 (ml/mb) was reported 10 kilometers (6 miles) from Tallaboa in Puerto Rico on Thursday. The 4-magnitude earthquake has occurred at 06:38:33 / 6:38 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface. Global time and date of event 18/06/20 / 2020-06-18 06:38:33 / June 18, 2020 @ 6:38 am UTC/GMT. Exact location of event, depth 10 km, -66.7563° West, 17.9049° North. Unique identifier: us6000adzf. Ids that are associated to the event: us6000adzf.

Earthquake epicenter was 84 km (52 miles) from Bayamón (c. 203 500 pop), 19 km (12 miles) from Ponce (c. 152 600 pop), 83 km (52 miles) from Caguas (c. 86 800 pop), 85 km (53 miles) from Guaynabo (c. 81 400 pop), 52 km (32 miles) from Mayagüez (c. 78 600 pop), 63 km (39 miles) from Arecibo (c. 49 300 pop). Nearest cities/city/towns to hypocenter/epicentrum was Cataño, San Lorenzo, Levittown (min 5000 pop). Nearby country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been eight, in the last 10 days sixty-one, in the past 30 days one hundred and fifty-two and in the last 365 days two thousand, one hundred and eighty-eight earthquakes of magnitude 3.0 or greater that was reported nearby. There are an estimated 13,000 light earthquakes in the world each year.

Questions or comments?

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: 10 km SSW of Tallaboa, Puerto Rico.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -66.7563° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.9049° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 10 km SSW of Tallaboa, 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 2020-06-18 06:38:33 Time when the event occurred. UTC/GMT
Updated 2020-06-18 06:55:45 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt 3 The total number of felt reports
CDI 3.8 The maximum reported intensity for the event.
MMI 3.21 The maximum estimated instrumental intensity for the event.
Alert Level green 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 247 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network us The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,us, A comma-separated list of network contributors.
Number of Stations Used The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.108 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.27 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 202 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type ml The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us6000adzf Id of event.
Event Code 6000adzf An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000adzf, A comma-separated list of event ids that are associated to an event.

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