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Minor earthquake 2.97 mag, 30 km NNW of Isabela, Puerto Rico

Earthquake location 18.7655S, -67.1123WA minor earthquake magnitude 2.97 (ml/mb) has struck on Thursday, 30 kilometers (19 miles) from Isabela in Puerto Rico. The temblor was reported at 23:37:12 / 11:37 pm (local time epicenter). Exact location of event, depth 58 km, -67.1123° West, 18.7655° North. Exact time and date of event in UTC/GMT: 16/08/19 / 2019-08-16 03:37:12 / August 16, 2019 @ 3:37 am. Event id: pr2019228002. Ids that are associated to the earthquake: pr2019228002. The earthquake was roughly at a depth of 58 km (36 miles).

Nearest cities/city/villages to epicentrum/hypocenter was Adjuntas, Adjuntas, Sabana Grande (min 5000 pop). Event epicenter was 63 km (39 miles) from Mayagüez (c. 78 600 pop), 53 km (33 miles) from Arecibo (c. 49 300 pop), 70 km (43 miles) from Barceloneta (c. 22 300 pop), 78 km (49 miles) from Adjuntas (c. 19 500 pop), 75 km (47 miles) from Manatí (c. 16 100 pop). Close country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected).

There are an estimated 130,000 minor quakes in the world each year. In the past 24 hours, there have been one, in the last 10 days three, in the past 30 days eleven and in the last 365 days two hundred and seventy-two 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?

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: 30 km NNW of Isabela, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.97 mb The magnitude for the event.
Longitude -67.1123° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.7655° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 58 km Depth of the event in kilometers.
Place 30km NNW 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 2019-08-16 03:37:12 Time when the event occurred. UTC/GMT
Updated 2019-08-16 04:09:52 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 136 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 19 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.298 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.23 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 251 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 pr2019228002 Id of event.
Event Code 2019228002 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2019228002, A comma-separated list of event ids that are associated to an event.

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