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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake 3.5 mag, 108 km N of Brenas, Puerto Rico


Earthquake location 19.4475S, -66.3405WA minor earthquake magnitude 3.5 (ml/mb) strikes 108 km N of Brenas, Puerto Rico (67 miles) on Thursday. The temblor was reported at 19:56:29 / 7:56 pm (local time epicenter). Unique identifier: pr15211028. Ids that are associated to the event: us10002wi3, pr15211028. Date and time of earthquake in UTC/GMT: 30/07/15 / 2015-07-30 23:56:29 / July 30, 2015 @ 11:56 pm. Exact location of earthquake, -66.3405° West, 19.4475° North, depth 50 km. The epicenter of the earthquake was roughly 50 km (31 miles) below the earth’s surface.

In the past 24 hours, there have been eleven, in the last 10 days fifty-five, in the past 30 days seventy-seven and in the last 365 days two hundred and eighty-nine earthquakes of magnitude 3.0 or greater that have been detected nearby. Each year there are an estimated 130,000 minor quakes in the world. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

Did you feel anything?

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, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 108 km N of Brenas, Puerto Rico. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.5 mb The magnitude for the event.
Longitude -66.3405° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.4475° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 50 km Depth of the event in kilometers.
Place 108km N of Brenas, 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 2015-07-30 23:56:29 Time when the event occurred. UTC/GMT
Updated 2015-07-31 00:46:33 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 2.2 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 189 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 ,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 0.98006197 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.25 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 270 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 pr15211028 Id of event.
Event Code 15211028 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10002wi3,pr15211028, A comma-separated list of event ids that are associated to an event.

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