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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag was detected near Tabiauan in Philippines

Earthquake location 4.0478S, 122.5925WA light earthquake with magnitude 4 (ml/mb) was reported 232 km SSE of Tabiauan, Philippines (144 miles) on Monday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Id of earthquake: us2000a23x. Event ids that are associated: us2000a23x. The earthquake occurred at a depth of 579.8 km (360 miles) below the earth’s surface. Exact location of earthquake, longitude 122.5925 East, latitude 4.0478 North, depth = 579.8 km. Global date and time of event UTC/GMT: 24/07/17 / 2017-07-24 00:27:45 / July 24, 2017 @ 12:27 am. The temblor was detected at 08:27:45 / 8:27 am (local time epicenter).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days two and in the last 365 days eleven 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?

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. 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: 232 km SSE of Tabiauan, Philippines.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 122.5925° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 4.0478° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 579.8 km Depth of the event in kilometers.
Place 232km SSE of Tabiauan, Philippines Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-07-24 00:27:45 Time when the event occurred. UTC/GMT
Updated 2017-08-05 22:18:30 Time when the event was most recently updated. UTC/GMT
Timezone offset 480 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 246 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 3.432 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.96 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 66 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 us2000a23x Id of event.
Event Code 2000a23x An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000a23x, A comma-separated list of event ids that are associated to an event.

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