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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.8 mag strikes near San Juan in Puerto Rico


Earthquake location 19.3614S, -66.1398WA minor earthquake with magnitude 3.8 (ml/mb) was detected on Thursday, 99 km N of San Juan, Puerto Rico (62 miles). Global time and date of event 23/07/15 / 2015-07-23 18:32:09 / July 23, 2015 @ 6:32 pm UTC/GMT. Event ids that are associated to the earthquake: pr15204022. Id of event: pr15204022. The 3.8-magnitude earthquake was detected at 14:32:09 / 2:32 pm (local time epicenter). The earthquake occurred at a depth of 56 km (35 miles) below the earth’s surface. Exact location, longitude -66.1398° West, latitude 19.3614° North, depth = 56 km.

In the past 24 hours, there have been seven, in the last 10 days thirty-one, in the past 30 days thirty-seven and in the last 365 days two hundred and ninety-six earthquakes of magnitude 3.0 or greater that was reported nearby. Each year there are an estimated 130,000 minor earthquakes in the world. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

How would you describe the shaking?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 99 km N of San Juan, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.8 mb The magnitude for the event.
Longitude -66.1398° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.3614° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 56 km Depth of the event in kilometers.
Place 99km N of San Juan, 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 2015-07-23 18:32:09 Time when the event occurred. UTC/GMT
Updated 2015-07-23 19:39:18 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 222 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 20 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.9522142 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.23 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 241.2 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 pr15204022 Id of event.
Event Code 15204022 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr15204022, A comma-separated list of event ids that are associated to an event.

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