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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.1 mag strikes near Gizo in Solomon Islands


Earthquake location -9.5817S, 155.2455WA light earthquake magnitude 4.1 (ml/mb) has struck on Tuesday, 239 km SW of Gizo, Solomon Islands (149 miles). Global date and time of event UTC/GMT: 21/04/20 / 2020-04-21 13:41:01 / April 21, 2020 @ 1:41 pm. Exact location of event, depth 10 km, 155.2455° East, -9.5817° South. The temblor was reported at 23:41:01 / 11:41 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event ids that are associated to the earthquake: us60009dbn. Id of event: us60009dbn. The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface.

Each year there are an estimated 13,000 light earthquakes in the world. 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 two 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.

Did you feel the quake?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 239 km SW of Gizo, Solomon Islands.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude 155.2455° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -9.5817° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 239km SW of Gizo, Solomon Islands Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-04-21 13:41:01 Time when the event occurred. UTC/GMT
Updated 2020-04-27 18:20:35 Time when the event was most recently updated. UTC/GMT
Timezone offset 600 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 259 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 7.978 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.55 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 77 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 us60009dbn Id of event.
Event Code 60009dbn An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us60009dbn, A comma-separated list of event ids that are associated to an event.

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