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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.5 quake has struck near Santa Cruz das Flores in Portugal

Posted by admin on May 15, 2019 0 Comments

Earthquake location 37.924S, -31.4196WA light earthquake with magnitude 4.5 (ml/mb) was detected on Sunday, 171 km S of Santa Cruz das Flores, Portugal (106 miles). Exact time and date of event in UTC/GMT: 21/04/19 / 2019-04-21 12:24:13 / April 21, 2019 @ 12:24 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Unique identifier: us70003enh. Ids that are associated to the event: us70003enh. The 4.5-magnitude earthquake was detected at 10:24:13 / 10:24 am (local time epicenter). The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface. Exact location of event, longitude -31.4196 West, latitude 37.924 North, depth = 10 km.

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days one and in the last 365 days one earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light quakes in the world.

Did you feel it?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage 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: 171 km S of Santa Cruz das Flores, Portugal. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -31.4196° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 37.924° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 171km S of Santa Cruz das Flores, Portugal Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2019-04-21 12:24:13 Time when the event occurred. UTC/GMT
Updated 2019-05-15 07:50:45 Time when the event was most recently updated. UTC/GMT
Timezone offset -120 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 312 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network us The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,us, A comma-separated list of network contributors.
Number of Stations Used The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.462 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.37 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 117 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us70003enh Id of event.
Event Code 70003enh An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us70003enh, A comma-separated list of event ids that are associated to an event.

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