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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.6 quake has struck near Lata in Solomon Islands


Earthquake location -11.1774S, 165.1195WA light earthquake magnitude 4.6 (ml/mb) strikes 93 kilometers (58 miles) from Lata in Solomon Islands on Thursday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake was roughly at a depth of 2.1 km (1 miles). Exact location of event, longitude 165.1195 East, latitude -11.1774 South, depth = 2.1 km. Exact time and date of earthquake 21/10/15 / 2015-10-21 20:29:52 / October 21, 2015 @ 8:29 pm UTC/GMT. Event id: us10003qea. Ids that are associated to the earthquake: us10003qea. The 4.6-magnitude earthquake has occurred at 07:29:52 / 7:29 am (local time epicenter).

Event epicenter was 93 km (58 miles) from Lata (c. 600 pop). Country/countries that might be effected, Solomon Islands (c. 559 000 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Lata.

In the past 24 hours, there have been one, in the last 10 days three, in the past 30 days three and in the last 365 days fourty-two earthquakes of magnitude 3.0 or greater that have been detected in the same area. 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.

Questions or comments?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 93 km WSW of Lata, Solomon Islands. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude 165.1195° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -11.1774° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 2.1 km Depth of the event in kilometers.
Place 93km WSW of Lata, 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 2015-10-21 20:29:52 Time when the event occurred. UTC/GMT
Updated 2015-11-19 23:24:14 Time when the event was most recently updated. UTC/GMT
Timezone offset 660 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 326 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 4.703 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.72 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 134 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 us10003qea Id of event.
Event Code 10003qea An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10003qea, A comma-separated list of event ids that are associated to an event.

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