A magnitude ML 1.7 earthquake occured in region: 6 km S Perdasdefogu (OG), on
and geographic coordinates (lat, lon) 39.6250, 9.4630 at 11 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.
Municipality | Region | Distance (km) | Inhabitants | Cumulative Inhabitants |
---|---|---|---|---|
Perdasdefogu | OG | 6 | 1957 | 1957 |
Escalaplano | CA | 9 | 2201 | 4158 |
Ballao | CA | 12 | 831 | 4989 |
Tertenia | OG | 13 | 3888 | 8877 |
Armungia | CA | 13 | 481 | 9358 |
Villasalto | CA | 16 | 1062 | 10420 |
Goni | CA | 16 | 492 | 10912 |
Silius | CA | 19 | 1202 | 12114 |
Jerzu | OG | 19 | 3159 | 15273 |
Orroli | CA | 20 | 2298 | 17571 |
San Nicolò Gerrei | CA | 20 | 788 | 18359 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.7 | 2023-07-21 07:11:56 |
39.6247 | 9.4627 | 11 | 2023-07-21 07:18:35 |
Sala Sismica INGV-Roma | 119441111 |
Field | Value |
---|---|
Time (UTC) | 2023-07-21 07:11:56 ± 0.21 |
Latitude | 39.6247 ± 0.0090 |
Longitude | 9.4627 ± 0.0304 |
Depth (km) | 11 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 119441111 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2690 |
Semi-minor axis of confidence ellipse (meter) | 485 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 107 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2690.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 206 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.29 |
Epicentral distance of station closest to the epicenter (degree) | 0.14389 |
Epicentral distance of station farthest from the epicenter (degree) | 1.51716 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.1 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 119441111 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-07-21 07:18:35 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.AGLI.HHE. | 2023-07-21T07:12:44.38 | 0.6 | undecidable | manual | S | 352 | 168.4092 | 50 | 0.16 | 35 |
IV.BULT.EHZ. | 2023-07-21T07:12:26.97 | 0.3 | undecidable | manual | S | 340 | 104.5176 | 50 | -0.18 | 62 |
TV.SU26.HHZ. | 2023-07-21T07:12:26.54 | 0.3 | undecidable | manual | S | 237 | 100.2219 | 50 | 0.52 | 58 |
IV.AGLI.HHE. | 2023-07-21T07:12:24.56 | 0.1 | undecidable | manual | P | 352 | 168.4092 | 50 | 0.43 | 66 |
MN.SENA.HHZ. | 2023-07-21T07:12:23.17 | 0.3 | undecidable | manual | S | 360 | 90.9423 | 50 | -0.37 | 61 |
IV.BULT.EHZ. | 2023-07-21T07:12:14.02 | 0.6 | positive | manual | P | 340 | 104.5176 | 50 | -0.26 | 41 |
TV.SU26.HHZ. | 2023-07-21T07:12:13.16 | 0.1 | undecidable | manual | P | 237 | 100.2219 | 50 | -0.47 | 79 |
MN.SENA.HHZ. | 2023-07-21T07:12:12.46 | 0.1 | undecidable | manual | P | 360 | 90.9423 | 50 | 0.27 | 84 |
IV.CGL.HHZ. | 2023-07-21T07:12:07.63 | 0.6 | undecidable | manual | S | 206 | 32.0457 | 50 | -0.19 | 47 |
MN.VSL.HHZ. | 2023-07-21T07:12:03.19 | 0.6 | undecidable | manual | S | 207 | 15.9729 | 123 | -0.16 | 49 |
IV.CGL.HHZ. | 2023-07-21T07:12:03.16 | 0.1 | positive | manual | P | 206 | 32.0457 | 50 | 0.04 | 98 |
MN.VSL.HHZ. | 2023-07-21T07:12:00.61 | 0.1 | positive | manual | P | 207 | 15.9729 | 123 | 0.08 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
MN.VSL.HHE. | ML:1.7 | 0.00042600000000000005 | 0.14 | AML | other | m | 2023-07-21T07:12:03.81 |
MN.VSL.HHN. | ML:1.7 | 0.00043 | 0.58 | AML | other | m | 2023-07-21T07:12:05.87 |
IV.CGL.HHE. | ML:1.8 | 0.0002785 | 0.28 | AML | other | m | 2023-07-21T07:12:08.02 |
IV.CGL.HHN. | ML:1.6 | 0.00017099999999999998 | 0.26 | AML | other | m | 2023-07-21T07:12:09.17 |
IV.BULT.EHN. | ML:1.8 | 0.0000531 | 1.32 | AML | other | m | 2023-07-21T07:12:28.08 |
MN.SENA.HHN. | ML:1.7 | 0.00005575 | 0.22 | AML | other | m | 2023-07-21T07:12:28.65 |
IV.BULT.EHE. | ML:1.7 | 0.00005155 | 0.2 | AML | other | m | 2023-07-21T07:12:28.81 |
MN.SENA.HHE. | ML:1.7 | 0.00005745 | 1.78 | AML | other | m | 2023-07-21T07:12:28.08 |
TV.SU26.HHE. | ML:1.4 | 0.00002585195 | 0.1216 | AML | other | m | 2023-07-21T07:12:29.12 |
TV.SU26.HHN. | ML:1.5 | 0.000028508275 | 0.2784 | AML | other | m | 2023-07-21T07:12:28.80 |