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Minor earthquake: M3.04 quake has struck near San Antonio in Puerto Rico


Earthquake location 19.0936S, -67.6308WA minor earthquake with magnitude 3.04 (ml/mb) was detected on Wednesday, 87 km NW of San Antonio, Puerto Rico (54 miles). Exact location, longitude -67.6308° West, latitude 19.0936° North, depth = 10 km. The 3.04-magnitude earthquake has occurred at 01:58:21 / 1:58 am (local time epicenter). Global date and time of event UTC/GMT: 18/12/19 / 2019-12-18 06:58:21 / December 18, 2019 @ 6:58 am. Event id: pr2019352007. Ids that are associated to the earthquake: pr2019352007. The epicenter of the earthquake was roughly 10 km (6 miles) below the earth’s surface.

In the past 24 hours, there have been eighteen, in the last 10 days eighty-two, in the past 30 days one hundred and fourty-five and in the last 365 days nine hundred and thirty-four earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage. Each year there are an estimated 130,000 minor earthquakes in the world.

Did you feel the quake?

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. 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: 87 km NW of San Antonio, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.04 mb The magnitude for the event.
Longitude -67.6308° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.0936° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 87km 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 2019-12-18 06:58:21 Time when the event occurred. UTC/GMT
Updated 2019-12-18 08:40:48 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 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 142 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 7 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.8136 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.68 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 327 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 pr2019352007 Id of event.
Event Code 2019352007 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2019352007, A comma-separated list of event ids that are associated to an event.

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