Earthquake with magnitude of Mwp 6.9 on date 03-12-2023 and time 19:49:36 (UTC) in region Philippines [Sea]

A magnitude Mwp 6.9 earthquake occured in region: Philippines [Sea], on

  • 03-12-2023 19:49:36 (UTC)
  • 03-12-2023 20:49:36 (UTC +01:00) Italian time
  • 04-12-2023 04:49:36 (UTC +09:00) local time in the region of the earthquake (Pacific/Palau)

and geographic coordinates (lat, lon) 8.8800, 126.7660 at 20 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

No Italian municipalities within 100 km from the epicenter with at least 50000 inhabitants.

Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
mb 5.6
Mwp 6.9

Mwpd 6.9
2023-12-03
19:49:36
8.8805 126.766 20 2023-12-03
20:02:45
Sala Sismica INGV-Roma 123777231
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-03 19:49:36
Latitude 8.8805
Longitude 126.7660
Depth (km) 20 (from location)
Evaluation mode of Origin automatic
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV-A
Event type earthquake
Origin ID 123777231

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 9252
Semi-minor axis of confidence ellipse (meter) 665
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 89
Circular confidence region, given by single value of horizontal uncertainty (meter) 7483.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 47.5617
Number of associated phases, regardless of their use for origin computation 1
Number of defining phases 1
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1.90873
Epicentral distance of station closest to the epicenter (degree)
Epicentral distance of station farthest from the epicenter (degree)
Number of stations at which the event was observed 0
Number of stations from which data was used for origin computation 0
Magnitudes information

Mwp:6.9

Field Value
Value 6.9
Uncertainty 0.2
Num. used stations 57
Type of magnitude Mwp
Reference to an origin 123777231
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-12-03 20:02:45

Mwpd:6.9

Field Value
Value 6.9
Uncertainty 0.2
Num. used stations 49
Type of magnitude Mwpd
Reference to an origin 123777231
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-12-03 20:02:45

mb:5.6

Field Value
Value 5.6
Uncertainty 0.1
Num. used stations 58
Type of magnitude mb
Reference to an origin 123777231
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-12-03 20:02:45
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download