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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.1 mag strikes near Buala in Solomon Islands


Earthquake location -8.2685S, 159.2876WA light earthquake with magnitude 4.1 (ml/mb) was reported 36 kilometers (22 miles) from Buala in Solomon Islands on Friday. Event ids that are associated to the earthquake: us7000cp73. Id of event: us7000cp73. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, 159.2876° East, -8.2685° South, depth 10 km. The 4.1-magnitude earthquake was detected at 01:31:24 / 1:31 am (local time epicenter). The epicenter was at a depth of 10 km (6 miles). Exact time and date of event in UTC/GMT: 04/12/20 / 2020-12-04 01:31:24 / December 4, 2020 @ 1:31 am.

Nearby country/countries that might be effected, Solomon Islands (c. 559 000 pop). Epicenter of the event was 36 km (23 miles) from Buala (c. 2 700 pop). Nearest cities/city/villages to epicentrum/hypocenter was Buala (min 5000 pop).

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

Questions or comments?

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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 36 km WSW of Buala, Solomon Islands.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude 159.2876° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -8.2685° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 36 km WSW of Buala, 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 2020-12-04 01:31:24 Time when the event occurred. UTC/GMT
Updated 2020-12-09 00:52:20 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 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 1.333 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.62 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 123 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 us7000cp73 Id of event.
Event Code 7000cp73 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000cp73, A comma-separated list of event ids that are associated to an event.

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