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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.09 mag was detected near Hatillo in Puerto Rico



Earthquake location 19.2041S, -66.8296WA light earthquake magnitude 4.09 (ml/mb) strikes 61 kilometers (38 miles) from Hatillo in Puerto Rico on Monday. Exact location of event, longitude -66.8296 West, latitude 19.2041 North, depth = 39 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Id of earthquake: pr2017198004. Event ids that are associated: pt17198003, us20009wve, pr2017198004. The temblor was detected at 02:12:07 / 2:12 am (local time epicenter). Global date and time of event UTC/GMT: 17/07/17 / 2017-07-17 06:12:07 / July 17, 2017 @ 6:12 am. The earthquake occurred at a depth of 39 km (24 miles).

The epicenter was 82 km (51 miles) from Arecibo (c. 49 300 pop), 89 km (55 miles) from Barceloneta (c. 22 300 pop), 81 km (50 miles) from Isabela (c. 12 500 pop), 80 km (50 miles) from Hatillo (c. 5 600 pop), 82 km (51 miles) from Quebradillas (c. 5 600 pop), 80 km (50 miles) from Camuy (c. 4 200 pop). Nearest cities/city/villages to epicentrum/hypocenter was Barceloneta, Arecibo, Quebradillas (min 5000 pop). Country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

There are an estimated 13,000 light earthquakes in the world each year. 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 eighteen, in the past 30 days fourty-two and in the last 365 days two hundred and thirty-two earthquakes of magnitude 3.0 or greater that have been detected nearby.

Questions or comments?

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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 61 km N of Hatillo, Puerto Rico.

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More information

Parameter Value Description
Magnitude 4.09 mb The magnitude for the event.
Longitude -66.8296° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.2041° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 39 km Depth of the event in kilometers.
Place 61km N of Hatillo, 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 2017-07-17 06:12:07 Time when the event occurred. UTC/GMT
Updated 2017-07-17 07:01:33 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 Timezone offset from UTC in minutes at the event epicenter.
Felt 1 The total number of felt reports
CDI 2 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 258 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 ,pt,us,pr, A comma-separated list of network contributors.
Number of Stations Used 18 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.7386 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.67 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 255 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 pr2017198004 Id of event.
Event Code 2017198004 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pt17198003,us20009wve,pr2017198004, A comma-separated list of event ids that are associated to an event.

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