A magnitude ML 0.5 earthquake occured in region: 4 km W Tredozio (FC), on
and geographic coordinates (lat, lon) 44.0910, 11.6920 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 | 4 | 1212 | 1212 |
Marradi | FI | 7 | 3139 | 4351 |
Portico e San Benedetto | FC | 10 | 756 | 5107 |
Modigliana | FC | 11 | 4560 | 9667 |
Palazzuolo sul Senio | FI | 12 | 1154 | 10821 |
Rocca San Casciano | FC | 13 | 1910 | 12731 |
Premilcuore | FC | 14 | 799 | 13530 |
Brisighella | RA | 16 | 7639 | 21169 |
Casola Valsenio | RA | 16 | 2617 | 23786 |
Dovadola | FC | 16 | 1653 | 25439 |
San Godenzo | FI | 19 | 1167 | 26606 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.5 | 2023-09-19 00:45:13 |
44.0912 | 11.6923 | 6 | 2023-09-19 00:55:10 |
Sala Sismica INGV-Roma | 121213341 |
Field | Value |
---|---|
Time (UTC) | 2023-09-19 00:45:13 ± 0.14 |
Latitude | 44.0912 ± 0.0045 |
Longitude | 11.6923 ± 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 | 121213341 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 497 |
Semi-minor axis of confidence ellipse (meter) | 243 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 216 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 500.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 204 |
Number of associated phases, regardless of their use for origin computation | 17 |
Number of defining phases | 16 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.19 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.28509 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.2 |
Num. used stations | 9 |
Type of magnitude | ML |
Reference to an origin | 121213341 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-19 00:55:10 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RUFI.EHZ. | 2023-09-19T00:45:24.34 | 0.3 | undecidable | manual | S | 208 | 31.6461 | 100 | -0.25 | 68 |
IV.CPGN.EHZ. | 2023-09-19T00:45:24.49 | 3.0 | undecidable | manual | P | -0.37 | 0 | |||
IV.SEI.HHZ. | 2023-09-19T00:45:23.07 | 0.3 | undecidable | manual | S | 261 | 26.9508 | 102 | 0.09 | 71 |
IV.SFI.EHZ. | 2023-09-19T00:45:22.36 | 0.6 | undecidable | manual | S | 149 | 24.0537 | 103 | 0.34 | 45 |
IV.VISG.HHZ. | 2023-09-19T00:45:22.17 | 0.6 | undecidable | manual | S | 298 | 23.2545 | 104 | 0.44 | 44 |
IV.RINC.EHZ. | 2023-09-19T00:45:21.96 | 0.3 | undecidable | manual | S | 197 | 23.6541 | 104 | 0.07 | 71 |
IV.VMGN.HHZ. | 2023-09-19T00:45:20.91 | 0.3 | undecidable | manual | S | 220 | 19.7691 | 106 | 0.33 | 68 |
IV.RUFI.EHZ. | 2023-09-19T00:45:19.48 | 0.6 | positive | manual | P | 208 | 31.6461 | 100 | -0.4 | 44 |
IV.VISG.HHZ. | 2023-09-19T00:45:18.20 | 0.3 | undecidable | manual | P | 298 | 23.2545 | 104 | -0.03 | 72 |
IV.SEI.HHZ. | 2023-09-19T00:45:18.66 | 0.1 | positive | manual | P | 261 | 26.9508 | 102 | -0.28 | 90 |
IV.RINC.EHZ. | 2023-09-19T00:45:18.34 | 0.1 | undecidable | manual | P | 197 | 23.6541 | 104 | 0.02 | 96 |
IV.SFI.EHZ. | 2023-09-19T00:45:18.39 | 0.1 | undecidable | manual | P | 149 | 24.0537 | 103 | 0 | 96 |
IV.VMGN.HHZ. | 2023-09-19T00:45:17.62 | 0.3 | positive | manual | P | 220 | 19.7691 | 106 | 0.06 | 72 |
IT.MRR.HGZ. | 2023-09-19T00:45:16.66 | 0.3 | undecidable | manual | S | 247 | 7.6812 | 127 | -0.1 | 73 |
IT.MRR.HGZ. | 2023-09-19T00:45:15.35 | 0.1 | undecidable | manual | P | 247 | 7.6812 | 127 | 0 | 99 |
IV.LMD.HHZ. | 2023-09-19T00:45:15.41 | 0.6 | undecidable | manual | S | 142 | 1.8981 | 161 | -0.12 | 49 |
IV.LMD.HHZ. | 2023-09-19T00:45:14.65 | 0.1 | undecidable | manual | P | 142 | 1.8981 | 161 | 0.01 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VISG.HHE. | ML:0.3 | 0.00001392669 | 0.16 | AML | other | m | 2023-09-19T00:45:22.08 |
IV.SFI.EHN. | ML:0.7 | 0.000029112550999999996 | 0.08 | AML | other | m | 2023-09-19T00:45:23.05 |
IV.SFI.EHE. | ML:0.6 | 0.000023778725 | 0.1 | AML | other | m | 2023-09-19T00:45:23.05 |
IV.VISG.HHN. | ML:0.5 | 0.00002245 | 1.58 | AML | other | m | 2023-09-19T00:45:24.97 |
IV.LMD.HHE. | ML:0.0 | 0.0014291376 | 0.14 | AML | other | m | 2023-09-19T00:45:15.48 |
IV.LMD.HHN. | ML:0.0 | 0.002166053 | 0.1 | AML | other | m | 2023-09-19T00:45:15.55 |
IV.VMGN.HHE. | ML:0.3 | 0.000015829835 | 0.14 | AML | other | m | 2023-09-19T00:45:21.82 |
IV.VMGN.HHN. | ML:0.4 | 0.00001965706 | 0.1 | AML | other | m | 2023-09-19T00:45:21.24 |
IV.SFI.HNN. | ML:1.4 | 0.00014390517999999998 | 1.21 | AML | other | m | 2023-09-19T00:45:21.35 |
IV.RUFI.EHE. | ML:0.5 | 0.000012835029000000001 | 0.62 | AML | other | m | 2023-09-19T00:45:24.57 |
IV.RUFI.EHN. | ML:0.6 | 0.0000181770735 | 1.34 | AML | other | m | 2023-09-19T00:45:29.10 |