A magnitude ML 1.2 earthquake occured in region: 2 km W Tredozio (FC), on
and geographic coordinates (lat, lon) 44.0900, 11.7180 at 7 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 |
---|---|---|---|---|
Tredozio | FC | 2 | 1212 | 1212 |
Marradi | FI | 9 | 3139 | 4351 |
Portico e San Benedetto | FC | 9 | 756 | 5107 |
Modigliana | FC | 10 | 4560 | 9667 |
Rocca San Casciano | FC | 10 | 1910 | 11577 |
Premilcuore | FC | 13 | 799 | 12376 |
Palazzuolo sul Senio | FI | 14 | 1154 | 13530 |
Dovadola | FC | 14 | 1653 | 15183 |
Brisighella | RA | 15 | 7639 | 22822 |
Casola Valsenio | RA | 17 | 2617 | 25439 |
Galeata | FC | 19 | 2516 | 27955 |
San Godenzo | FI | 20 | 1167 | 29122 |
Civitella di Romagna | FC | 20 | 3786 | 32908 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2023-09-19 13:31:15 |
44.0898 | 11.7182 | 7 | 2023-09-19 13:42:06 |
Sala Sismica INGV-Roma | 121232451 |
Field | Value |
---|---|
Time (UTC) | 2023-09-19 13:31:15 ± 0.15 |
Latitude | 44.0898 ± 0.0063 |
Longitude | 11.7182 ± 0.0075 |
Depth (km) | 7 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 121232451 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 789 |
Semi-minor axis of confidence ellipse (meter) | 155 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 41 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 790.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 217 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 18 |
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) | 0.01439 |
Epicentral distance of station farthest from the epicenter (degree) | 0.50002 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.3 |
Num. used stations | 13 |
Type of magnitude | ML |
Reference to an origin | 121232451 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-19 13:42:06 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CRE.HHZ. | 2023-09-19T13:31:33.22 | 0.6 | undecidable | manual | S | 160 | 55.5 | 50 | -0.3 | 47 |
IV.MOCL.EHZ. | 2023-09-19T13:31:30.10 | 0.6 | undecidable | manual | S | 258 | 43.9227 | 50 | -0.32 | 48 |
IV.SEI.HHZ. | 2023-09-19T13:31:25.47 | 0.6 | undecidable | manual | S | 262 | 28.9488 | 103 | -0.09 | 51 |
IV.CRE.HHZ. | 2023-09-19T13:31:25.61 | 0.3 | negative | manual | P | 160 | 55.5 | 50 | -0.19 | 72 |
IV.VISG.HHZ. | 2023-09-19T13:31:24.56 | 0.3 | undecidable | manual | S | 296 | 25.1526 | 105 | 0.28 | 74 |
IV.SFI.EHZ. | 2023-09-19T13:31:24.02 | 0.3 | undecidable | manual | S | 153 | 22.9548 | 106 | 0.47 | 72 |
IV.VMGN.HHZ. | 2023-09-19T13:31:23.06 | 0.3 | undecidable | manual | S | 225 | 21.0678 | 107 | 0.13 | 77 |
IV.MOCL.EHZ. | 2023-09-19T13:31:23.53 | 1.0 | undecidable | manual | P | 258 | 43.9227 | 50 | -0.48 | 23 |
IV.RINC.EHZ. | 2023-09-19T13:31:23.96 | 0.3 | undecidable | manual | S | 202 | 24.2535 | 105 | -0.02 | 79 |
IV.SEI.HHZ. | 2023-09-19T13:31:21.08 | 0.3 | positive | manual | P | 262 | 28.9488 | 103 | -0.13 | 76 |
IV.RINC.EHZ. | 2023-09-19T13:31:20.43 | 0.3 | positive | manual | P | 202 | 24.2535 | 105 | 0.14 | 77 |
IV.VISG.HHZ. | 2023-09-19T13:31:20.77 | 0.1 | undecidable | manual | P | 296 | 25.1526 | 105 | 0.31 | 99 |
IV.SFI.EHZ. | 2023-09-19T13:31:20.22 | 1.0 | positive | manual | P | 153 | 22.9548 | 106 | 0.17 | 25 |
IV.VMGN.HHZ. | 2023-09-19T13:31:19.91 | 0.3 | positive | manual | P | 225 | 21.0678 | 107 | 0.22 | 76 |
IT.MRR.HGZ. | 2023-09-19T13:31:19.11 | 0.3 | undecidable | manual | S | 253 | 9.5793 | 125 | -0.19 | 78 |
IV.LMD.HHZ. | 2023-09-19T13:31:17.19 | 0.1 | undecidable | manual | S | 212 | 1.5984 | 166 | -0.43 | 100 |
IT.MRR.HGZ. | 2023-09-19T13:31:17.73 | 0.3 | undecidable | manual | P | 253 | 9.5793 | 125 | 0.14 | 79 |
IV.LMD.HHZ. | 2023-09-19T13:31:16.47 | 0.3 | undecidable | manual | P | 212 | 1.5984 | 166 | -0.15 | 79 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VMGN.HHE. | ML:0.8 | 0.0000479 | 0.36 | AML | other | m | 2023-09-19T13:31:23.62 |
IV.VMGN.HHN. | ML:0.8 | 0.00004975 | 1.44 | AML | other | m | 2023-09-19T13:31:24.15 |
IV.SFI.EHN. | ML:1.1 | 0.00008955 | 0.12 | AML | other | m | 2023-09-19T13:31:24.72 |
IV.SFI.EHE. | ML:1.0 | 0.00007425 | 0.4 | AML | other | m | 2023-09-19T13:31:24.89 |
IV.SEI.HHN. | ML:1.7 | 0.000241 | 1.56 | AML | other | m | 2023-09-19T13:31:25.98 |
IV.SEI.HHE. | ML:1.4 | 0.0001285 | 1.66 | AML | other | m | 2023-09-19T13:31:26.02 |
IV.MOCL.EHE. | ML:1.6 | 0.00010899999999999999 | 1.54 | AML | other | m | 2023-09-19T13:31:31.85 |
IV.MOCL.EHN. | ML:1.6 | 0.00012114999999999999 | 1.46 | AML | other | m | 2023-09-19T13:31:33.85 |
IV.SFI.HNE. | ML:1.3 | 0.0001246124 | 1.4784 | AML | other | m | 2023-09-19T13:31:24.88 |
IV.SFI.HNN. | ML:1.3 | 0.00012402425 | 1.4336 | AML | other | m | 2023-09-19T13:31:25.49 |
IV.RINC.EHE. | ML:1.0 | 0.00006851286 | 0.3008 | AML | other | m | 2023-09-19T13:31:26.00 |
IV.CRE.HHE. | ML:1.0 | 0.0000258374005 | 0.2048 | AML | other | m | 2023-09-19T13:31:34.62 |
IV.CRE.HHN. | ML:1.3 | 0.000049791465 | 0.2432 | AML | other | m | 2023-09-19T13:31:34.06 |