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Minor earthquake 3.15 mag, 4 km SSE of Guánica, Puerto Rico

Posted by admin on July 31, 2020 0 Comments

Earthquake location 17.9391S, -66.8863WA minor earthquake with magnitude 3.15 (ml/mb) was reported 4 kilometers (2 miles) from Guánica in Puerto Rico on Friday. Event ids that are associated to the earthquake: pr2020213000. Id of event: pr2020213000. Global date and time of event UTC/GMT: 31/07/20 / 2020-07-31 09:23:33 / July 31, 2020 @ 9:23 am. Exact location, longitude -66.8863° West, latitude 17.9391° North, depth = 9 km. The epicenter was at a depth of 9 km (6 miles). The temblor was reported at 09:23:33 / 9:23 am (local time epicenter).

Nearest cities/city/villages to epicentrum/hypocenter was Ceiba, Naranjito, Vega Alta (min 5000 pop). Earthquake epicenter was 30 km (19 miles) from Ponce (c. 152 600 pop), 40 km (25 miles) from Mayagüez (c. 78 600 pop), 62 km (39 miles) from Arecibo (c. 49 300 pop), 77 km (48 miles) from Vega Baja (c. 29 300 pop), 68 km (42 miles) from Barceloneta (c. 22 300 pop). Nearby country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

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

How would you describe the shaking?

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. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 4 km SSE of Guánica, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.15 mb The magnitude for the event.
Longitude -66.8863° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.9391° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 9 km Depth of the event in kilometers.
Place 4 km SSE of Guánica, 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 2020-07-31 09:23:33 Time when the event occurred. UTC/GMT
Updated 2020-07-31 09:43:56 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 153 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 23 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.0367 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.19 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 195 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 pr2020213000 Id of event.
Event Code 2020213000 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2020213000, A comma-separated list of event ids that are associated to an event.

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