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Minor earthquake, 2.99 mag has occurred near Ponce in Puerto Rico


Earthquake location 17.9671S, -66.613WA minor earthquake with magnitude 2.99 (ml/mb) was detected on Thursday, 4 kilometers (2 miles) from Ponce in Puerto Rico. Exact location of event, longitude -66.613 West, latitude 17.9671 North, depth = 6 km. All ids that are associated to the event: pr2020121020. Unique identifier: pr2020121020. Global time and date of event 30/04/20 / 2020-04-30 19:09:12 / April 30, 2020 @ 7:09 pm UTC/GMT. The 2.99-magnitude earthquake was detected at 15:09:12 / 3:09 pm (local time epicenter). The epicenter of the earthquake was roughly 6 km (4 miles) below the earth’s surface.

Epicenter of the earthquake was 77 km (48 miles) from San Juan (c. 418 100 pop), 68 km (42 miles) from Bayamón (c. 203 500 pop), 5 km (3 miles) from Ponce (c. 152 600 pop), 67 km (41 miles) from Caguas (c. 86 800 pop), 69 km (43 miles) from Guaynabo (c. 81 400 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Juncos, Yabucoa, San Juan. Close country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected).

Each year there are an estimated 130,000 minor earthquakes in the world. Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage. In the past 24 hours, there have been five, in the last 10 days fourty-seven, in the past 30 days one hundred and ninety-nine and in the last 365 days one thousand, eight hundred and eighty-six earthquakes of magnitude 3.0 or greater that was reported nearby.

Did you feel the quake?

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: 4 km S of Ponce, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.99 mb The magnitude for the event.
Longitude -66.613° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.9671° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 6 km Depth of the event in kilometers.
Place 4km S of Ponce, 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 2020-04-30 19:09:12 Time when the event occurred. UTC/GMT
Updated 2020-04-30 19:36:13 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 138 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 21 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.076 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.21 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 181 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 pr2020121020 Id of event.
Event Code 2020121020 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2020121020, A comma-separated list of event ids that are associated to an event.

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