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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.3 mag was detected near San Ignacio in Philippines


Earthquake location 6.8018S, 127.1295WA light earthquake with magnitude 4.3 (ml/mb) was detected on Tuesday, 79 kilometers (49 miles) from San Ignacio in Philippines. The epicenter was at a depth of 31.637 km (20 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude 127.1295 East, latitude 6.8018 North, depth = 31.637 km. The temblor was reported at 04:40:04 / 4:40 am (local time epicenter). Exact time and date of earthquake 18/11/25 / 2025-11-18 04:40:04 / November 18, 2025 @ 4:40 am UTC/GMT. Id of earthquake: us6000rsqz. Event ids that are associated: us6000rsqz.

Epicenter of the earthquake was 80 km (50 miles) from Manay (c. 20 300 pop), 79 km (49 miles) from San Ignacio (c. 6 300 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Manay, San Ignacio. Country/countries that might be effected, Philippines (c. 99 900 000 pop).

In the past 24 hours, there have been three, in the last 10 days five, in the past 30 days thirty-one and in the last 365 days one hundred and ninety-four earthquakes of magnitude 3.0 or greater that was reported nearby. There are an estimated 13,000 light quakes in the world each year. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel it?

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: 79 km ESE of San Ignacio, Philippines.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude 127.1295° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 6.8018° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 31.637 km Depth of the event in kilometers.
Place 79 km ESE of San Ignacio, Philippines Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-11-18 04:40:04 Time when the event occurred. UTC/GMT
Updated 2025-12-11 06:22:00 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 284 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 32 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.562 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.2 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 109 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 us6000rsqz Id of event.
Event Code 6000rsqz An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000rsqz, A comma-separated list of event ids that are associated to an event.

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