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Minor earthquake: M2.94 quake has struck near Isabela in Puerto Rico


Earthquake location 19.316S, -67.1115WA minor earthquake with magnitude 2.94 (ml/mb) was detected on Monday, 90 km N of Isabela, Puerto Rico (56 miles). Global time and date of event 23/12/19 / 2019-12-23 10:31:34 / December 23, 2019 @ 10:31 am UTC/GMT. Event ids that are associated to the earthquake: pr2019357026. Id of event: pr2019357026. Exact location of event, depth 62 km, -67.1115° West, 19.316° North. The earthquake was roughly at a depth of 62 km (39 miles). The temblor was reported at 06:31:34 / 6:31 am (local time epicenter).

Each year there are an estimated 130,000 minor earthquakes in the world. In the past 24 hours, there have been fourteen, in the last 10 days one hundred and nine, in the past 30 days one hundred and seventy-one and in the last 365 days eight hundred and seventy-three 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 the quake?

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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 90 km N of Isabela, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.94 mb The magnitude for the event.
Longitude -67.1115° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.316° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 62 km Depth of the event in kilometers.
Place 90km N of Isabela, 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 2019-12-23 10:31:34 Time when the event occurred. UTC/GMT
Updated 2019-12-23 14:12:08 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 133 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 6 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.8485 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.49 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 340 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 pr2019357026 Id of event.
Event Code 2019357026 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2019357026, A comma-separated list of event ids that are associated to an event.

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