A magnitude ML 0.8 earthquake occured in region: 5 km W Tredozio (FC), on
and geographic coordinates (lat, lon) 44.0720, 11.6860 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 0.8 | 2023-09-20 11:58:04 |
44.0725 | 11.6855 | 6 | 2023-09-20 12:19:19 |
Sala Sismica INGV-Roma | 121275701 |
Field | Value |
---|---|
Time (UTC) | 2023-09-20 11:58:04 ± 0.12 |
Latitude | 44.0725 ± 0.0036 |
Longitude | 11.6855 ± 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 | 121275701 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 408 |
Semi-minor axis of confidence ellipse (meter) | 215 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 194 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 410.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 88 |
Number of associated phases, regardless of their use for origin computation | 17 |
Number of defining phases | 17 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.17 |
Epicentral distance of station closest to the epicenter (degree) | 0.01619 |
Epicentral distance of station farthest from the epicenter (degree) | 0.26620 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.4 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 121275701 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-20 12:19:19 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.BOSL.HHE. | 2023-09-20T11:58:14.46 | 0.3 | undecidable | manual | S | 238 | 29.3484 | 101 | -0.11 | 72 |
IV.SEI.HHZ. | 2023-09-20T11:58:13.28 | 0.6 | undecidable | manual | S | 266 | 26.1516 | 103 | -0.2 | 48 |
IV.VISG.HHZ. | 2023-09-20T11:58:12.89 | 0.3 | undecidable | manual | S | 303 | 23.8539 | 104 | 0.2 | 72 |
IV.SFI.HNZ. | 2023-09-20T11:58:12.56 | 0.6 | undecidable | manual | S | 145 | 22.6551 | 105 | 0.26 | 47 |
IV.VMGN.HHZ. | 2023-09-20T11:58:11.04 | 0.6 | undecidable | manual | S | 223 | 17.871 | 108 | 0.32 | 47 |
IV.VISG.HHZ. | 2023-09-20T11:58:09.04 | 0.3 | positive | manual | P | 303 | 23.8539 | 104 | -0.05 | 74 |
IV.SEI.HHZ. | 2023-09-20T11:58:09.34 | 0.3 | negative | manual | P | 266 | 26.1516 | 103 | -0.21 | 71 |
IV.BOSL.HHE. | 2023-09-20T11:58:09.99 | 0.6 | undecidable | manual | P | 238 | 29.3484 | 101 | -0.19 | 47 |
IV.RUFI.EHZ. | 2023-09-20T11:58:09.93 | 0.3 | positive | manual | P | 208 | 29.5482 | 101 | -0.29 | 70 |
IV.VMGN.HHZ. | 2023-09-20T11:58:08.15 | 0.3 | positive | manual | P | 223 | 17.871 | 108 | 0.2 | 72 |
IV.SFI.HNZ. | 2023-09-20T11:58:08.79 | 1.0 | undecidable | manual | P | 145 | 22.6551 | 105 | -0.08 | 25 |
IV.RINC.EHZ. | 2023-09-20T11:58:08.70 | 0.6 | positive | manual | P | 197 | 21.5673 | 105 | 0.04 | 50 |
IT.MOG.HNZ. | 2023-09-20T11:58:07.23 | 0.6 | undecidable | manual | P | 31 | 12.6762 | 115 | 0.25 | 48 |
IT.MRR.HGZ. | 2023-09-20T11:58:07.39 | 0.3 | undecidable | manual | S | 262 | 6.5934 | 132 | 0.13 | 75 |
IT.MRR.HGZ. | 2023-09-20T11:58:06.08 | 0.1 | undecidable | manual | P | 262 | 6.5934 | 132 | 0.12 | 100 |
IV.LMD.HHZ. | 2023-09-20T11:58:06.11 | 0.6 | undecidable | manual | S | 72 | 1.7982 | 163 | -0.23 | 49 |
IV.LMD.HHZ. | 2023-09-20T11:58:05.22 | 0.3 | undecidable | manual | P | 72 | 1.7982 | 163 | -0.2 | 74 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LMD.HHE. | ML:0.0 | 0.00061943185 | 0.0768 | AML | other | m | 2023-09-20T11:58:06.24 |
IV.LMD.HHN. | ML:0.0 | 0.001846908 | 0.2816 | AML | other | m | 2023-09-20T11:58:06.20 |
IV.VMGN.HHE. | ML:0.6 | 0.000034957825 | 2.9248 | AML | other | m | 2023-09-20T11:58:12.30 |
IV.VMGN.HHN. | ML:0.6 | 0.000040481340000000004 | 0.4416 | AML | other | m | 2023-09-20T11:58:12.11 |
IV.VISG.HHE. | ML:0.6 | 0.000026621745 | 0.064 | AML | other | m | 2023-09-20T11:58:13.54 |
IV.VISG.HHN. | ML:0.8 | 0.00003812415 | 0.096 | AML | other | m | 2023-09-20T11:58:13.70 |
IV.SEI.HHE. | ML:1.3 | 0.0001232809 | 0.2624 | AML | other | m | 2023-09-20T11:58:13.76 |
IV.SEI.HHN. | ML:1.6 | 0.0002210001 | 0.64 | AML | other | m | 2023-09-20T11:58:14.02 |