A magnitude ML 1.4 earthquake occured in region: 5 km W Tredozio (FC), on
and geographic coordinates (lat, lon) 44.0700, 11.6870 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.
Municipality | Region | Distance (km) | Inhabitants | Cumulative Inhabitants |
---|---|---|---|---|
Tredozio | FC | 5 | 1212 | 1212 |
Marradi | FI | 6 | 3139 | 4351 |
Portico e San Benedetto | FC | 9 | 756 | 5107 |
Palazzuolo sul Senio | FI | 12 | 1154 | 6261 |
Rocca San Casciano | FC | 13 | 1910 | 8171 |
Premilcuore | FC | 13 | 799 | 8970 |
Modigliana | FC | 13 | 4560 | 13530 |
San Godenzo | FI | 17 | 1167 | 14697 |
Dovadola | FC | 17 | 1653 | 16350 |
Casola Valsenio | RA | 18 | 2617 | 18967 |
Brisighella | RA | 18 | 7639 | 26606 |
Galeata | FC | 20 | 2516 | 29122 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.4 | 2023-09-18 17:55:02 |
44.07 | 11.6867 | 6 | 2023-09-18 18:02:34 |
Sala Sismica INGV-Roma | 121201201 |
Field | Value |
---|---|
Time (UTC) | 2023-09-18 17:55:02 ± 0.11 |
Latitude | 44.0700 ± 0.0036 |
Longitude | 11.6867 ± 0.0050 |
Depth (km) | 6 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 121201201 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 380 |
Semi-minor axis of confidence ellipse (meter) | 137 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 123 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 380.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 87 |
Number of associated phases, regardless of their use for origin computation | 22 |
Number of defining phases | 19 |
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) | 0.31117 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.4 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 121201201 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-18 18:02:34 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.TOLF.HHZ. | 2023-09-18T17:55:36.13 | 3.0 | undecidable | manual | Pn | 1.7 | 0 | |||
IV.MNTV.EHN. | 2023-09-18T17:55:15.15 | 3.0 | negative | manual | P | -0.1 | 0 | |||
IV.RUFI.EHZ. | 2023-09-18T17:55:12.44 | 0.6 | undecidable | manual | S | 209 | 29.3484 | 102 | -0.14 | 47 |
IV.SEI.HHE. | 2023-09-18T17:55:11.41 | 0.6 | undecidable | manual | S | 266 | 26.2515 | 103 | -0.1 | 48 |
IV.CRE.HHZ. | 2023-09-18T17:55:11.99 | 3.0 | positive | manual | P | -0.32 | 0 | |||
IV.SFI.EHZ. | 2023-09-18T17:55:10.40 | 0.3 | undecidable | manual | S | 145 | 22.3554 | 105 | 0.19 | 71 |
IV.RINC.EHN. | 2023-09-18T17:55:10.11 | 0.3 | undecidable | manual | S | 197 | 21.3675 | 106 | 0.25 | 71 |
IV.VISG.HHE. | 2023-09-18T17:55:10.91 | 0.1 | undecidable | manual | S | 303 | 24.0537 | 104 | 0.14 | 96 |
IV.VMGN.HHZ. | 2023-09-18T17:55:09.06 | 0.3 | undecidable | manual | S | 224 | 17.7711 | 109 | 0.38 | 69 |
IT.MCS.HGN. | 2023-09-18T17:55:09.03 | 0.3 | undecidable | manual | P | 104 | 34.5432 | 100 | -0.17 | 70 |
IV.RUFI.EHZ. | 2023-09-18T17:55:07.89 | 0.1 | positive | manual | P | 209 | 29.3484 | 102 | -0.29 | 92 |
IT.MOG.HNE. | 2023-09-18T17:55:07.60 | 0.3 | undecidable | manual | S | 30 | 12.876 | 115 | 0.51 | 67 |
IV.SEI.HHE. | 2023-09-18T17:55:07.14 | 0.3 | undecidable | manual | P | 266 | 26.2515 | 103 | -0.42 | 67 |
IV.SFI.EHZ. | 2023-09-18T17:55:06.75 | 0.1 | positive | manual | P | 145 | 22.3554 | 105 | -0.06 | 98 |
IV.RINC.EHN. | 2023-09-18T17:55:06.61 | 0.1 | undecidable | manual | P | 197 | 21.3675 | 106 | 0 | 99 |
IV.VISG.HHE. | 2023-09-18T17:55:06.91 | 0.1 | undecidable | manual | P | 303 | 24.0537 | 104 | -0.23 | 94 |
IV.VMGN.HHZ. | 2023-09-18T17:55:06.09 | 0.1 | positive | manual | P | 224 | 17.7711 | 109 | 0.16 | 96 |
IT.MRR.HGE. | 2023-09-18T17:55:05.36 | 0.1 | undecidable | manual | S | 264 | 6.6933 | 132 | 0.07 | 100 |
IT.MOG.HNE. | 2023-09-18T17:55:05.12 | 0.1 | undecidable | manual | P | 30 | 12.876 | 115 | 0.11 | 98 |
IV.LMD.HHZ. | 2023-09-18T17:55:04.08 | 0.1 | undecidable | manual | S | 63 | 1.7982 | 163 | -0.27 | 97 |
IT.MRR.HGE. | 2023-09-18T17:55:04.10 | 0.1 | undecidable | manual | P | 264 | 6.6933 | 132 | 0.13 | 99 |
IV.LMD.HHZ. | 2023-09-18T17:55:03.25 | 0.1 | undecidable | manual | P | 63 | 1.7982 | 163 | -0.18 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VMGN.HHE. | ML:0.8 | 0.00006415 | 0.42 | AML | other | m | 2023-09-18T17:55:10.51 |
IV.SFI.EHE. | ML:1.4 | 0.0001615 | 0.72 | AML | other | m | 2023-09-18T17:55:10.94 |
IV.SFI.EHN. | ML:1.4 | 0.0001785 | 1.1 | AML | other | m | 2023-09-18T17:55:11.14 |
IV.SEI.HHN. | ML:1.8 | 0.000409 | 1.82 | AML | other | m | 2023-09-18T17:55:11.97 |
IV.SEI.HHE. | ML:1.8 | 0.00040149999999999995 | 1.4 | AML | other | m | 2023-09-18T17:55:12.02 |
IV.VMGN.HHN. | ML:0.9 | 0.000077 | 0.58 | AML | other | m | 2023-09-18T17:55:12.18 |
IV.CRE.HHN. | ML:1.8 | 0.000168 | 0.22 | AML | other | m | 2023-09-18T17:55:20.55 |
IV.CRE.HHE. | ML:1.2 | 0.00003990000000000001 | 0.84 | AML | other | m | 2023-09-18T17:55:21.91 |