A magnitude ML 1.5 earthquake occured in region: 3 km E Marradi (FI), on
and geographic coordinates (lat, lon) 44.0690, 11.6540 at 8 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 |
---|---|---|---|---|
Marradi | FI | 3 | 3139 | 3139 |
Tredozio | FC | 7 | 1212 | 4351 |
Palazzuolo sul Senio | FI | 10 | 1154 | 5505 |
Portico e San Benedetto | FC | 11 | 756 | 6261 |
Premilcuore | FC | 14 | 799 | 7060 |
Modigliana | FC | 15 | 4560 | 11620 |
Rocca San Casciano | FC | 15 | 1910 | 13530 |
San Godenzo | FI | 16 | 1167 | 14697 |
Casola Valsenio | RA | 18 | 2617 | 17314 |
Brisighella | RA | 19 | 7639 | 24953 |
Dovadola | FC | 20 | 1653 | 26606 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.5 | 2023-09-18 11:04:06 |
44.0687 | 11.6538 | 9 | 2023-09-18 11:15:20 |
Sala Sismica INGV-Roma | 121181501 |
Field | Value |
---|---|
Time (UTC) | 2023-09-18 11:04:06 ± 0.09 |
Latitude | 44.0687 ± 0.0036 |
Longitude | 11.6538 ± 0.0050 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 121181501 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 390 |
Semi-minor axis of confidence ellipse (meter) | 286 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 51 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 390.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 128 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 20 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.14389 |
Epicentral distance of station farthest from the epicenter (degree) | 0.49822 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.3 |
Num. used stations | 18 |
Type of magnitude | ML |
Reference to an origin | 121181501 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-18 11:15:20 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CRE.HHZ. | 2023-09-18T11:04:25.21 | 0.3 | undecidable | manual | S | 154 | 55.3002 | 50 | 0.45 | 64 |
IV.MOCL.EHZ. | 2023-09-18T11:04:20.13 | 0.3 | undecidable | manual | S | 260 | 38.3283 | 50 | -0.12 | 71 |
IV.BOSL.HHZ. | 2023-09-18T11:04:17.00 | 0.3 | undecidable | manual | S | 236 | 27.0507 | 107 | 0.2 | 71 |
IV.CRE.HHZ. | 2023-09-18T11:04:16.93 | 1.0 | undecidable | manual | P | 154 | 55.3002 | 50 | -0.31 | 22 |
IV.RUFI.EHE. | 2023-09-18T11:04:16.91 | 0.3 | undecidable | manual | S | 204 | 28.0497 | 107 | -0.23 | 71 |
IV.SEI.HHZ. | 2023-09-18T11:04:15.63 | 0.3 | undecidable | manual | S | 266 | 23.5542 | 110 | -0.03 | 74 |
IV.SFI.EHZ. | 2023-09-18T11:04:15.67 | 0.3 | undecidable | manual | S | 140 | 23.8539 | 110 | -0.07 | 74 |
IV.VISG.HHZ. | 2023-09-18T11:04:15.14 | 0.3 | undecidable | manual | S | 307 | 21.9669 | 111 | 0 | 75 |
IV.MOCL.EHZ. | 2023-09-18T11:04:14.48 | 0.3 | undecidable | manual | P | 260 | 38.3283 | 50 | -0.15 | 71 |
IV.RINC.EHZ. | 2023-09-18T11:04:14.86 | 0.3 | undecidable | manual | S | 190 | 20.5683 | 112 | 0.18 | 72 |
IV.IMOL.HNZ. | 2023-09-18T11:04:14.06 | 1.0 | undecidable | manual | P | 12 | 33.0447 | 104 | 0.26 | 23 |
IV.MTRZ.HHN. | 2023-09-18T11:04:14.11 | 0.1 | undecidable | manual | P | 326 | 32.6451 | 105 | 0.39 | 90 |
IV.VMGN.HHZ. | 2023-09-18T11:04:13.52 | 0.3 | undecidable | manual | S | 217 | 15.9729 | 118 | 0.29 | 71 |
IV.RUFI.EHE. | 2023-09-18T11:04:12.59 | 0.1 | undecidable | manual | P | 204 | 28.0497 | 107 | -0.25 | 94 |
IV.BOSL.HHZ. | 2023-09-18T11:04:12.57 | 0.1 | undecidable | manual | P | 236 | 27.0507 | 107 | -0.07 | 98 |
IV.VISG.HHZ. | 2023-09-18T11:04:11.49 | 0.1 | undecidable | manual | P | 307 | 21.9669 | 111 | -0.2 | 96 |
IV.SEI.HHZ. | 2023-09-18T11:04:11.82 | 0.3 | undecidable | manual | P | 266 | 23.5542 | 110 | -0.17 | 72 |
IV.SFI.EHZ. | 2023-09-18T11:04:11.80 | 0.1 | undecidable | manual | P | 140 | 23.8539 | 110 | -0.23 | 95 |
IV.RINC.EHZ. | 2023-09-18T11:04:11.41 | 0.1 | undecidable | manual | P | 190 | 20.5683 | 112 | -0.01 | 100 |
IV.VMGN.HHZ. | 2023-09-18T11:04:10.75 | 0.1 | undecidable | manual | P | 217 | 15.9729 | 118 | 0.17 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VMGN.HHN. | ML:1.2 | 0.000144 | 0.26 | AML | other | m | 2023-09-18T11:04:13.83 |
IV.VMGN.HHE. | ML:1.2 | 0.000156 | 0.18 | AML | other | m | 2023-09-18T11:04:14.04 |
IV.RINC.EHE. | ML:1.5 | 0.000235 | 0.14 | AML | other | m | 2023-09-18T11:04:14.92 |
IV.VISG.HHE. | ML:1.3 | 0.000123 | 0.28 | AML | other | m | 2023-09-18T11:04:15.46 |
IV.SFI.HNN. | ML:1.6 | 0.00026450000000000003 | 0.24 | AML | other | m | 2023-09-18T11:04:15.76 |
IV.SFI.EHN. | ML:1.6 | 0.00023549999999999998 | 0.22 | AML | other | m | 2023-09-18T11:04:15.88 |
IV.SEI.HHE. | ML:1.9 | 0.0005574999999999999 | 0.26 | AML | other | m | 2023-09-18T11:04:15.81 |
IV.VISG.HHN. | ML:1.3 | 0.0001295 | 1.16 | AML | other | m | 2023-09-18T11:04:15.99 |
IV.SFI.EHE. | ML:1.6 | 0.000264 | 0.42 | AML | other | m | 2023-09-18T11:04:16.13 |
IV.SFI.HNE. | ML:1.6 | 0.0002735 | 0.44 | AML | other | m | 2023-09-18T11:04:16.12 |
IV.RINC.EHN. | ML:1.5 | 0.00022300000000000003 | 0.26 | AML | other | m | 2023-09-18T11:04:16.66 |
IV.BOSL.HHE. | ML:1.0 | 0.0000608 | 0.96 | AML | other | m | 2023-09-18T11:04:17.53 |
IV.SEI.HHN. | ML:2.1 | 0.000796 | 0.56 | AML | other | m | 2023-09-18T11:04:17.29 |
IV.BOSL.HHN. | ML:1.3 | 0.00009944999999999999 | 0.54 | AML | other | m | 2023-09-18T11:04:18.47 |
IV.MOCL.EHN. | ML:1.9 | 0.00028550000000000005 | 0.22 | AML | other | m | 2023-09-18T11:04:20.51 |
IV.MOCL.EHE. | ML:1.6 | 0.00015150000000000002 | 0.5 | AML | other | m | 2023-09-18T11:04:21.48 |
IV.CRE.HHE. | ML:1.5 | 0.000075 | 0.2 | AML | other | m | 2023-09-18T11:04:25.42 |
IV.CRE.HHN. | ML:2.0 | 0.0002545 | 0.22 | AML | other | m | 2023-09-18T11:04:25.49 |