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Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.9 mag strikes near Utuado in Puerto Rico


Earthquake location 18.2481S, -66.708WA minor earthquake with magnitude 3.9 (ml/mb) was reported 2 kilometers (1 miles) from Utuado in Puerto Rico on Thursday. The 3.9-magnitude earthquake was detected at 16:44:18 / 4:44 pm (local time epicenter). Date and time of earthquake in UTC/GMT: 16/05/24 / 2024-05-16 16:44:18 / May 16, 2024 @ 4:44 pm. All ids that are associated to the event: us6000mz0r, pr2024137001. Unique identifier: pr2024137001. Exact location of event, depth 140 km, -66.708° West, 18.2481° North. The earthquake was roughly at a depth of 140 km (87 miles).

Nearby country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was San Isidro, Canovanas, Santa Barbara. Epicenter of the event was 68 km (42 miles) from San Juan (c. 418 100 pop), 61 km (38 miles) from Bayamón (c. 203 500 pop), 81 km (50 miles) from Carolina (c. 170 400 pop), 28 km (17 miles) from Ponce (c. 152 600 pop), 70 km (43 miles) from Caguas (c. 86 800 pop), 64 km (40 miles) from Guaynabo (c. 81 400 pop).

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. There are an estimated 130,000 minor earthquakes in the world each year. In the past 24 hours, there have been eight, in the last 10 days fifteen, in the past 30 days fourty-one and in the last 365 days fourty-one earthquakes of magnitude 3.0 or greater that has occurred nearby.

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 2 km SSW of Utuado, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.9 mb The magnitude for the event.
Longitude -66.708° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.2481° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 140 km Depth of the event in kilometers.
Place 2 km SSW of Utuado, 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 2024-05-16 16:44:18 Time when the event occurred. UTC/GMT
Updated 2024-05-16 17:12:47 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 2.77 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 234 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 ,us,pr, A comma-separated list of network contributors.
Number of Stations Used 22 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.2159 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.17 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 96 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 pr2024137001 Id of event.
Event Code 2024137001 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000mz0r,pr2024137001, A comma-separated list of event ids that are associated to an event.

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