A magnitude ML 1.9 earthquake occured in region: Costa Ligure centro occidentale (Savona), on
and geographic coordinates (lat, lon) 43.9460, 8.7030 at 6 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.
No Italian municipalities within 20 km distance.
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.9 | 2023-12-12 11:31:07 |
43.9465 | 8.7032 | 6 | 2023-12-12 11:43:13 |
Sala Sismica INGV-Roma | 123977801 |
Field | Value |
---|---|
Time (UTC) | 2023-12-12 11:31:07 ± 0.29 |
Latitude | 43.9465 ± 0.0198 |
Longitude | 8.7032 ± 0.0137 |
Depth (km) | 6 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 123977801 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2209 |
Semi-minor axis of confidence ellipse (meter) | 858 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 157 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2210.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 241 |
Number of associated phases, regardless of their use for origin computation | 22 |
Number of defining phases | 16 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.23 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 1.03242 |
Number of stations at which the event was observed | 14 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | 0.4 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 123977801 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-12-12 11:43:13 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SENI.HNZ. | 2023-12-12T11:32:52.74 | 3.0 | undecidable | manual | Sg | 5.37 | 0 | |||
IV.NARO.HHZ. | 2023-12-12T11:32:37.36 | 3.0 | undecidable | manual | Sg | 0.8 | 0 | |||
IV.AGLI.HHZ. | 2023-12-12T11:32:30.06 | 3.0 | undecidable | manual | Sn | -7.95 | 0 | |||
IV.GIUL.HHZ. | 2023-12-12T11:32:13.61 | 3.0 | negative | manual | Pn | -4.71 | 0 | |||
IV.VOBA.EHZ. | 2023-12-12T11:31:43.71 | 3.0 | negative | manual | Pn | -0.28 | 0 | |||
FR.SAOF.HHZ.00 | 2023-12-12T11:31:35.94 | 3.0 | undecidable | manual | S | 273 | 91.9413 | 50 | 0.45 | 0 |
GU.GORR.HHZ. | 2023-12-12T11:31:34.16 | 0.6 | undecidable | manual | S | 32 | 86.9463 | 50 | 0 | 47 |
GU.GBOS.HHZ. | 2023-12-12T11:31:31.01 | 0.6 | undecidable | manual | S | 296 | 76.1682 | 50 | -0.27 | 46 |
GU.PCP.HHZ. | 2023-12-12T11:31:29.19 | 0.3 | undecidable | manual | S | 349 | 67.1772 | 50 | 0.31 | 69 |
GU.RNCA.HHZ. | 2023-12-12T11:31:27.39 | 0.3 | undecidable | manual | S | 19 | 61.3941 | 50 | 0.04 | 74 |
GU.STV.HHZ. | 2023-12-12T11:31:27.50 | 0.1 | undecidable | manual | P | 287 | 114.5964 | 50 | 0.38 | 83 |
IV.QLNO.HHZ. | 2023-12-12T11:31:24.85 | 0.3 | undecidable | manual | S | 326 | 50.616 | 50 | 0.38 | 71 |
GU.RORO.HHZ. | 2023-12-12T11:31:24.96 | 0.3 | undecidable | manual | S | 290 | 54.0015 | 50 | -0.41 | 70 |
GU.CANO.HHZ. | 2023-12-12T11:31:23.40 | 0.3 | undecidable | manual | S | 308 | 47.1195 | 50 | -0.12 | 75 |
FR.SAOF.HHZ.00 | 2023-12-12T11:31:23.86 | 0.1 | undecidable | manual | P | 273 | 91.9413 | 50 | 0.22 | 90 |
GU.GORR.HHZ. | 2023-12-12T11:31:22.77 | 1.0 | undecidable | manual | P | 32 | 86.9463 | 50 | -0.1 | 23 |
GU.GBOS.HHZ. | 2023-12-12T11:31:21.30 | 0.1 | undecidable | manual | P | 296 | 76.1682 | 50 | 0.1 | 95 |
GU.PCP.HHZ. | 2023-12-12T11:31:19.43 | 0.1 | undecidable | manual | P | 349 | 67.1772 | 50 | -0.39 | 91 |
GU.RNCA.HHZ. | 2023-12-12T11:31:18.54 | 1.0 | negative | manual | P | 19 | 61.3941 | 50 | -0.4 | 23 |
IV.QLNO.HHZ. | 2023-12-12T11:31:17.11 | 0.6 | negative | manual | P | 326 | 50.616 | 50 | -0.16 | 49 |
GU.RORO.HHZ. | 2023-12-12T11:31:17.85 | 0.1 | undecidable | manual | P | 290 | 54.0015 | 50 | 0.06 | 100 |
GU.CANO.HHZ. | 2023-12-12T11:31:16.60 | 0.1 | undecidable | manual | P | 308 | 47.1195 | 50 | -0.12 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.CANO.HHE. | ML:2.1 | 0.00032950000000000004 | 1.7 | AML | other | m | 2023-12-12T11:31:24.93 |
GU.CANO.HHN. | ML:1.8 | 0.0001815 | 1.14 | AML | other | m | 2023-12-12T11:31:24.90 |
IV.QLNO.HHN. | ML:1.7 | 0.0001275 | 1.78 | AML | other | m | 2023-12-12T11:31:25.10 |
IV.QLNO.HHE. | ML:1.6 | 0.000111 | 0.78 | AML | other | m | 2023-12-12T11:31:25.62 |
GU.RORO.HHE. | ML:1.8 | 0.00015900000000000002 | 1.18 | AML | other | m | 2023-12-12T11:31:25.10 |
GU.RORO.HHN. | ML:1.7 | 0.0001095 | 0.12 | AML | other | m | 2023-12-12T11:31:26.26 |
IV.VOBA.EHE. | ML:2.9 | 0.0001855 | 1.88 | AML | other | m | 2023-12-12T11:32:22.98 |
IV.VOBA.EHN. | ML:3.0 | 0.0002 | 0.2 | AML | other | m | 2023-12-12T11:32:41.12 |