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Light earthquake: M4 quake has struck near Hatillo in Puerto Rico


Earthquake location 19.039S, -66.791WA light earthquake magnitude 4 (ml/mb) has struck on Thursday, 61 kilometers (38 miles) from Hatillo in Puerto Rico. Global time and date of event 11/04/19 / 2019-04-11 19:31:35 / April 11, 2019 @ 7:31 pm UTC/GMT. The earthquake occurred at a depth of 24.6 km (15 miles). Exact location of event, longitude -66.791 West, latitude 19.039 North, depth = 24.6 km. The temblor was reported at 15:31:35 / 3:31 pm (local time epicenter). Event id: pt19101001. Ids that are associated to the earthquake: pt19101001. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Nearest cities/city/villages to epicentrum/hypocenter was Las Marías, Ingenio, Morovis (min 5000 pop). Nearby country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). Event epicenter was 63 km (39 miles) from Arecibo (c. 49 300 pop), 79 km (49 miles) from Vega Baja (c. 29 300 pop), 71 km (44 miles) from Barceloneta (c. 22 300 pop), 75 km (47 miles) from Manatí (c. 16 100 pop), 78 km (48 miles) from Aguadilla (c. 16 100 pop), 85 km (53 miles) from Dorado (c. 13 100 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been three, in the last 10 days seven, in the past 30 days twenty-four and in the last 365 days two hundred and fourty-three earthquakes of magnitude 3.0 or greater that have been detected nearby. Each year there are an estimated 13,000 light earthquakes in the world.

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 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: 61 km N of Hatillo, Puerto Rico.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -66.791° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.039° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 24.6 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 2019-04-11 19:31:35 Time when the event occurred. UTC/GMT
Updated 2019-04-11 19:36:04 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 246 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network pt The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,pt, A comma-separated list of network contributors.
Number of Stations Used 25 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 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 pt19101001 Id of event.
Event Code 19101001 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pt19101001, A comma-separated list of event ids that are associated to an event.

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