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Minor earthquake 3.15 mag, 64 km NW of San Antonio, Puerto Rico



Earthquake location 18.907S, -67.5308WA minor earthquake with magnitude 3.15 (ml/mb) was reported 64 kilometers (40 miles) from San Antonio in Puerto Rico on Monday. The epicenter was at a depth of 9 km (6 miles). Date and time of earthquake in UTC/GMT: 26/03/18 / 2018-03-26 20:41:26 / March 26, 2018 @ 8:41 pm. The 3.15-magnitude earthquake was detected at 15:41:26 / 3:41 pm (local time epicenter). Unique identifier: pr2018085005. Ids that are associated to the event: pr2018085005. Exact location of event, depth 9 km, -67.5308° West, 18.907° North.

Close country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). Event epicenter was 66 km (41 miles) from Aguadilla (c. 16 100 pop), 70 km (43 miles) from Isabela (c. 12 500 pop), 79 km (49 miles) from Quebradillas (c. 5 600 pop), 72 km (45 miles) from Moca (c. 5 000 pop), 69 km (43 miles) from Aguada (c. 4 000 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Quebradillas, Moca, Isabela.

There are an estimated 130,000 minor quakes in the world each year. 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 seven, in the past 30 days thirty-one and in the last 365 days three hundred and fourty-four earthquakes of magnitude 3.0 or greater that was reported nearby.

Did you feel anything?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 64 km NW of San Antonio, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.15 mb The magnitude for the event.
Longitude -67.5308° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.907° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 9 km Depth of the event in kilometers.
Place 64km NW of San Antonio, 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 2018-03-26 20:41:26 Time when the event occurred. UTC/GMT
Updated 2018-03-27 01:15:01 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 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 16 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.6076 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.61 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 199 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 pr2018085005 Id of event.
Event Code 2018085005 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2018085005, A comma-separated list of event ids that are associated to an event.

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