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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.9 quake has struck near Santa Cruz das Flores in Portugal

Posted by admin on May 13, 2018 0 Comments

Earthquake location 40.6959S, -29.3313WA light earthquake magnitude 4.9 (ml/mb) has occurred on Saturday, 205 km NE of Santa Cruz das Flores, Portugal (127 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, -29.3313° West, 40.6959° North, depth 10 km. The epicenter of the earthquake was roughly 10 km (6 miles) below the earth’s surface. Event id: us1000dnmp. Ids that are associated to the earthquake: us1000dnmp. Global time and date of event 14/04/18 / 2018-04-14 16:56:25 / April 14, 2018 @ 4:56 pm UTC/GMT. The 4.9-magnitude earthquake was detected at 14:56:25 / 2:56 pm (local time epicenter).

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

Questions or comments?

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: 205 km NE of Santa Cruz das Flores, Portugal.

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More information

Parameter Value Description
Magnitude 4.9 mb The magnitude for the event.
Longitude -29.3313° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 40.6959° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 205km NE 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 2018-04-14 16:56:25 Time when the event occurred. UTC/GMT
Updated 2018-05-13 14:15:39 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 369 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 4.16 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.02 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 74 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 us1000dnmp Id of event.
Event Code 1000dnmp An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000dnmp, A comma-separated list of event ids that are associated to an event.

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