A magnitude ML 1.7 earthquake occured in region: 5 km W Tredozio (FC), on
and geographic coordinates (lat, lon) 44.0640, 11.6920 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 | 5 | 1212 | 1212 |
Marradi | FI | 6 | 3139 | 4351 |
Portico e San Benedetto | FC | 8 | 756 | 5107 |
Premilcuore | FC | 12 | 799 | 5906 |
Rocca San Casciano | FC | 12 | 1910 | 7816 |
Palazzuolo sul Senio | FI | 13 | 1154 | 8970 |
Modigliana | FC | 13 | 4560 | 13530 |
San Godenzo | FI | 16 | 1167 | 14697 |
Dovadola | FC | 17 | 1653 | 16350 |
Casola Valsenio | RA | 19 | 2617 | 18967 |
Brisighella | RA | 19 | 7639 | 26606 |
Galeata | FC | 19 | 2516 | 29122 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.7 | 2023-09-18 17:51:33 |
44.0638 | 11.6923 | 7 | 2023-09-18 18:01:59 |
Sala Sismica INGV-Roma | 121201191 |
Field | Value |
---|---|
Time (UTC) | 2023-09-18 17:51:33 ± 0.15 |
Latitude | 44.0638 ± 0.0063 |
Longitude | 11.6923 ± 0.0088 |
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 | 121201191 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 708 |
Semi-minor axis of confidence ellipse (meter) | 277 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 305 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 710.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 65 |
Number of associated phases, regardless of their use for origin computation | 24 |
Number of defining phases | 20 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.36 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.37232 |
Number of stations at which the event was observed | 17 |
Number of stations from which data was used for origin computation | 13 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.3 |
Num. used stations | 24 |
Type of magnitude | ML |
Reference to an origin | 121201191 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-18 18:01:59 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CPGN.EHE. | 2023-09-18T17:51:53.82 | 3.0 | undecidable | manual | S | 0.42 | 0 | |||
IV.CAVE.HHN. | 2023-09-18T17:51:53.60 | 3.0 | positive | manual | P | 1.5 | 0 | |||
IV.PSL.EHZ. | 2023-09-18T17:51:45.52 | 3.0 | positive | manual | P | 0.74 | 0 | |||
IV.VISG.HHZ. | 2023-09-18T17:51:43.18 | 0.6 | undecidable | manual | S | 304 | 24.753 | 106 | 0.26 | 47 |
IV.CRE.HHZ. | 2023-09-18T17:51:43.84 | 3.0 | negative | manual | P | -0.02 | 0 | |||
IV.MOCL.EHZ. | 2023-09-18T17:51:42.34 | 0.1 | undecidable | manual | P | 261 | 41.3253 | 50 | 0.11 | 94 |
IV.SFI.EHZ. | 2023-09-18T17:51:42.25 | 0.6 | undecidable | manual | S | 145 | 21.5673 | 109 | 0.42 | 46 |
IV.RINC.EHZ. | 2023-09-18T17:51:41.57 | 0.6 | undecidable | manual | S | 199 | 20.868 | 109 | -0.03 | 49 |
IV.VMGN.HHZ. | 2023-09-18T17:51:41.74 | 0.3 | undecidable | manual | S | 226 | 17.5713 | 112 | 1.19 | 50 |
IV.MTRZ.HHE. | 2023-09-18T17:51:41.83 | 0.1 | undecidable | manual | P | 322 | 34.8429 | 102 | 0.74 | 79 |
IT.MCS.HGN. | 2023-09-18T17:51:40.85 | 0.1 | undecidable | manual | P | 103 | 33.9438 | 102 | -0.06 | 96 |
IV.BOSL.HHZ. | 2023-09-18T17:51:39.64 | 0.6 | positive | manual | P | 240 | 29.3484 | 104 | -0.37 | 45 |
IT.MOG.HNE. | 2023-09-18T17:51:39.49 | 0.6 | undecidable | manual | S | 27 | 13.1757 | 119 | 0.31 | 47 |
IV.RUFI.EHZ. | 2023-09-18T17:51:39.58 | 0.1 | positive | manual | P | 210 | 28.9488 | 104 | -0.36 | 91 |
IV.RINC.EHZ. | 2023-09-18T17:51:38.37 | 1.0 | positive | manual | P | 199 | 20.868 | 109 | 0 | 25 |
IV.SEI.HHZ. | 2023-09-18T17:51:38.86 | 0.3 | positive | manual | P | 268 | 26.6511 | 105 | -0.62 | 63 |
IV.VISG.HHZ. | 2023-09-18T17:51:38.62 | 0.3 | negative | manual | P | 304 | 24.753 | 106 | -0.51 | 67 |
IV.SFI.EHZ. | 2023-09-18T17:51:38.58 | 0.3 | negative | manual | P | 145 | 21.5673 | 109 | 0.08 | 73 |
IT.MOG.HNE. | 2023-09-18T17:51:37.01 | 0.1 | undecidable | manual | P | 27 | 13.1757 | 119 | 0.04 | 100 |
IT.MRR.HGE. | 2023-09-18T17:51:37.68 | 0.6 | undecidable | manual | S | 270 | 7.0929 | 135 | 0.21 | 49 |
IV.VMGN.HHZ. | 2023-09-18T17:51:37.76 | 0.1 | positive | manual | P | 226 | 17.5713 | 112 | 0 | 100 |
IV.LMD.HHE. | 2023-09-18T17:51:36.49 | 0.3 | undecidable | manual | S | 38 | 1.8981 | 165 | -0.06 | 76 |
IV.LMD.HHE. | 2023-09-18T17:51:35.19 | 0.1 | undecidable | manual | P | 38 | 1.8981 | 165 | -0.26 | 97 |
IT.MRR.HGE. | 2023-09-18T17:51:35.64 | 0.1 | undecidable | manual | P | 270 | 7.0929 | 135 | -0.34 | 95 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VMGN.HHN. | ML:1.5 | 0.00027800000000000004 | 0.3 | AML | other | m | 2023-09-18T17:51:42.37 |
IV.VMGN.HHE. | ML:1.4 | 0.0002485 | 0.14 | AML | other | m | 2023-09-18T17:51:42.38 |
IV.VISG.HHE. | ML:1.6 | 0.0002175 | 0.52 | AML | other | m | 2023-09-18T17:51:43.03 |
IV.SFI.EHN. | ML:1.6 | 0.0002805 | 1.1 | AML | other | m | 2023-09-18T17:51:43.99 |
IV.VISG.HHN. | ML:1.6 | 0.0002415 | 0.28 | AML | other | m | 2023-09-18T17:51:43.65 |
IV.SFI.HNN. | ML:1.6 | 0.000301 | 1.14 | AML | other | m | 2023-09-18T17:51:44.70 |
IV.SFI.EHE. | ML:1.6 | 0.0002915 | 1.6 | AML | other | m | 2023-09-18T17:51:44.94 |
IV.RINC.EHE. | ML:1.6 | 0.0003355 | 0.94 | AML | other | m | 2023-09-18T17:51:44.78 |
IV.SEI.HHN. | ML:2.6 | 0.002235 | 0.4 | AML | other | m | 2023-09-18T17:51:44.67 |
IV.SEI.HHE. | ML:2.3 | 0.0010725 | 0.34 | AML | other | m | 2023-09-18T17:51:44.32 |
IV.RUFI.EHN. | ML:1.5 | 0.00015045 | 0.4 | AML | other | m | 2023-09-18T17:51:45.53 |
IV.RUFI.EHE. | ML:1.0 | 0.0000479 | 0.28 | AML | other | m | 2023-09-18T17:51:45.88 |
IV.SFI.HNE. | ML:1.6 | 0.0002945 | 0.72 | AML | other | m | 2023-09-18T17:51:45.39 |
IV.BOSL.HHN. | ML:1.3 | 0.00010650000000000001 | 1.64 | AML | other | m | 2023-09-18T17:51:45.09 |
IV.BOSL.HHE. | ML:1.1 | 0.00006575 | 1.48 | AML | other | m | 2023-09-18T17:51:46.18 |
IV.RINC.EHN. | ML:1.5 | 0.000234 | 1.14 | AML | other | m | 2023-09-18T17:51:46.38 |
IV.MOCL.EHE. | ML:1.9 | 0.00029000000000000006 | 0.14 | AML | other | m | 2023-09-18T17:51:49.19 |
IV.MOCL.EHN. | ML:2.1 | 0.00044999999999999993 | 0.18 | AML | other | m | 2023-09-18T17:51:49.23 |
IV.CRE.HHE. | ML:1.6 | 0.00008710000000000002 | 1.4 | AML | other | m | 2023-09-18T17:51:53.25 |
IV.CRE.HHN. | ML:2.0 | 0.0002495 | 0.2 | AML | other | m | 2023-09-18T17:51:53.31 |
IV.CPGN.EHE. | ML:1.5 | 0.0000727 | 1.58 | AML | other | m | 2023-09-18T17:51:57.95 |
IV.CPGN.EHN. | ML:1.8 | 0.00015151999999999999 | 0.44 | AML | other | m | 2023-09-18T17:51:57.29 |
IV.CPGN.HNE. | ML:2.2 | 0.000383 | 1.1 | AML | other | m | 2023-09-18T17:51:58.32 |
IV.CPGN.HNN. | ML:2.2 | 0.0003805 | 0.62 | AML | other | m | 2023-09-18T17:51:59.34 |