Earthquake with magnitude of ML 1.7 on date 14-07-2023 and time 07:07:41 (UTC) in region 6 km S Perdasdefogu (OG)

A magnitude ML 1.7 earthquake occured in region: 6 km S Perdasdefogu (OG), on

  • 14-07-2023 07:07:41 (UTC)
  • 14-07-2023 09:07:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.6290, 9.4540 at 10 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Perdasdefogu OG 6 1957 1957
Escalaplano CA 8 2201 4158
Ballao CA 12 831 4989
Tertenia OG 13 3888 8877
Armungia CA 13 481 9358
Goni CA 15 492 9850
Villasalto CA 16 1062 10912
Silius CA 18 1202 12114
Orroli CA 19 2298 14412
Jerzu OG 19 3159 17571
San Nicolò Gerrei CA 20 788 18359

Municipalities with at least 50000 inhabitants

An earthquake occurred to
49 Km NE of Quartu Sant'Elena (71125 inhabitants)
55 Km NE of Cagliari (154460 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
ML 1.7 2023-07-14
07:07:41
39.6288 9.4545 10 2023-07-14
07:19:29
Sala Sismica INGV-Roma 119254651
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-14 07:07:41 ± 0.22
Latitude 39.6288 ± 0.0090
Longitude 9.4545 ± 0.0327
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119254651

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2925
Semi-minor axis of confidence ellipse (meter) 536
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 104
Circular confidence region, given by single value of horizontal uncertainty (meter) 2920.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 204
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.14569
Epicentral distance of station farthest from the epicenter (degree) 0.93529
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.1
Num. used stations 10
Type of magnitude ML
Reference to an origin 119254651
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-14 07:19:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BULT.EHZ. 2023-07-14T07:08:11.31 0.6 undecidable manual S 340 103.8183 50 -0.27 41
TV.SU26.HHZ. 2023-07-14T07:08:11.18 0.6 undecidable manual S 236 99.9222 50 0.64 37
MN.SENA.HHZ. 2023-07-14T07:08:07.69 1.0 undecidable manual S 0 90.4428 50 -0.33 21
IV.BULT.EHZ. 2023-07-14T07:07:58.61 0.1 undecidable manual P 340 103.8183 50 -0.16 84
TV.SU26.HHZ. 2023-07-14T07:07:57.87 0.6 undecidable manual P 236 99.9222 50 -0.3 41
MN.SENA.HHZ. 2023-07-14T07:07:57.08 0.1 positive manual P 0 90.4428 50 0.37 83
IV.CGL.HHZ. 2023-07-14T07:07:52.12 0.6 undecidable manual S 205 32.1456 50 -0.34 46
IV.CGL.HHZ. 2023-07-14T07:07:47.78 0.1 positive manual P 205 32.1456 50 0.05 99
MN.VSL.HHZ. 2023-07-14T07:07:47.69 0.6 undecidable manual S 204 16.1727 123 -0.24 49
MN.VSL.HHZ. 2023-07-14T07:07:45.23 0.1 positive manual P 204 16.1727 123 0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.VSL.HHE. ML:1.8 0.0005455 0.14 AML other m 2023-07-14T07:07:48.24
MN.VSL.HHN. ML:1.8 0.0005124999999999999 0.58 AML other m 2023-07-14T07:07:50.48
IV.CGL.HHE. ML:1.7 0.000242 0.26 AML other m 2023-07-14T07:07:52.79
IV.CGL.HHN. ML:1.7 0.00020850000000000003 0.3 AML other m 2023-07-14T07:07:52.80
MN.SENA.HHN. ML:1.6 0.0000433 0.96 AML other m 2023-07-14T07:08:12.96
IV.BULT.EHN. ML:1.8 0.0000604 0.86 AML other m 2023-07-14T07:08:13.35
MN.SENA.HHE. ML:1.6 0.000043950000000000004 0.58 AML other m 2023-07-14T07:08:13.38
IV.BULT.EHE. ML:1.7 0.0000485 0.66 AML other m 2023-07-14T07:08:14.59
TV.SU26.HHE. ML:1.6 0.00004059064000000001 1.7984 AML other m 2023-07-14T07:08:11.38
TV.SU26.HHN. ML:1.9 0.00007365812 2.24 AML other m 2023-07-14T07:08:11.67
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