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Minor earthquake 3.04 mag, 88 km N of San Juan, Puerto Rico


Earthquake location 19.2646S, -66.1048WA minor earthquake magnitude 3.04 (ml/mb) has occurred on Wednesday, 88 km N of San Juan, Puerto Rico (55 miles). Unique identifier: pr2018003008. Ids that are associated to the event: pr2018003008. Exact location, longitude -66.1048° West, latitude 19.2646° North, depth = 31 km. Date and time of earthquake in UTC/GMT: 03/01/18 / 2018-01-03 10:48:46 / January 3, 2018 @ 10:48 am. The epicenter of the earthquake was roughly 31 km (19 miles) below the earth’s surface. The 3.04-magnitude earthquake has occurred at 06:48:46 / 6:48 am (local time epicenter).

Each year there are an estimated 130,000 minor quakes in the world. In the past 24 hours, there have been three, in the last 10 days sixteen, in the past 30 days thirty-three and in the last 365 days two hundred and ninety-one earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage.

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 88 km N of San Juan, Puerto Rico. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.04 mb The magnitude for the event.
Longitude -66.1048° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.2646° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 31 km Depth of the event in kilometers.
Place 88km 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 2018-01-03 10:48:46 Time when the event occurred. UTC/GMT
Updated 2018-01-03 11:53:32 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 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 4 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.1243 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.22 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 343 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 pr2018003008 Id of event.
Event Code 2018003008 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2018003008, A comma-separated list of event ids that are associated to an event.

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