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Light earthquake, 4.3 mag has occurred near San Antonio in Puerto Rico

Posted by admin on July 17, 2015 0 Comments

Earthquake location 18.998S, -67.475WA light earthquake with magnitude 4.3 (ml/mb) was reported 68 kilometers (42 miles) from San Antonio in Puerto Rico on Thursday. Date and time of earthquake in UTC/GMT: 17/07/15 / 2015-07-17 03:35:26 / July 17, 2015 @ 3:35 am. Exact location of event, depth 3 km, -67.475° West, 18.998° North. Event ids that are associated to the earthquake: at00nrm4n2. Id of event: at00nrm4n2. The temblor was picked up at 23:35:26 / 11:35 pm (local time epicenter). The epicenter of the earthquake was roughly 3 km (2 miles) below the earth’s surface. A tsunami warning has been issued near San Antonio in Puerto Rico (Does not indicate if a tsunami actually did or will exist).

Closest city/cities/towns to epicentrum/hypocenter was San Sebastián, Hatillo, Camuy (min 5000 pop). Earthquake epicenter was 72 km (45 miles) from Aguadilla (c. 16 100 pop), 73 km (45 miles) from Isabela (c. 12 500 pop), 90 km (56 miles) from San Sebastián (c. 11 600 pop), 87 km (54 miles) from Añasco (c. 6 100 pop), 89 km (55 miles) from Hatillo (c. 5 600 pop), 81 km (50 miles) from Quebradillas (c. 5 600 pop). Nearby country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected).

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 twelve, in the last 10 days seventeen, in the past 30 days twenty-three and in the last 365 days two hundred and twenty earthquakes of magnitude 3.0 or greater that have been detected nearby.

Did you feel it?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 68 km NW of San Antonio, Puerto Rico. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -67.475° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.998° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 3 km Depth of the event in kilometers.
Place 68km NW of San Antonio, 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 2015-07-17 03:35:26 Time when the event occurred. UTC/GMT
Updated 2015-07-17 03:39:54 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 1 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 284 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network at The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,at, A comma-separated list of network contributors.
Number of Stations Used 26 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.63061733 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.53 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 154.8 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 at00nrm4n2 Id of event.
Event Code 00nrm4n2 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00nrm4n2, A comma-separated list of event ids that are associated to an event.

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