A magnitude ML 1.4 earthquake occured in region: 3 km E Marradi (FI), on
and geographic coordinates (lat, lon) 44.0680, 11.6510 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 |
---|---|---|---|---|
Marradi | FI | 3 | 3139 | 3139 |
Tredozio | FC | 8 | 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 | 20 | 7639 | 24953 |
Dovadola | FC | 20 | 1653 | 26606 |
Castel del Rio | BO | 20 | 1246 | 27852 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.4 | 2023-09-18 17:08:18 |
44.068 | 11.6507 | 7 | 2023-09-18 17:14:10 |
Sala Sismica INGV-Roma | 121199461 |
Field | Value |
---|---|
Time (UTC) | 2023-09-18 17:08:18 ± 0.11 |
Latitude | 44.0680 ± 0.0036 |
Longitude | 11.6507 ± 0.0063 |
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 | 121199461 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 454 |
Semi-minor axis of confidence ellipse (meter) | 270 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 315 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 450.0 |
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 | 23 |
Number of defining phases | 23 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.26 |
Epicentral distance of station closest to the epicenter (degree) | 0.03417 |
Epicentral distance of station farthest from the epicenter (degree) | 0.34354 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.3 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 121199461 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-18 17:14:10 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MOCL.EHZ. | 2023-09-18T17:08:31.70 | 0.3 | undecidable | manual | S | 260 | 38.1285 | 50 | -0.48 | 65 |
IV.BOSL.HHZ. | 2023-09-18T17:08:28.61 | 0.3 | undecidable | manual | S | 236 | 26.751 | 105 | 0.23 | 70 |
IV.RUFI.EHZ. | 2023-09-18T17:08:28.71 | 0.3 | undecidable | manual | S | 204 | 27.8499 | 105 | -0.04 | 72 |
IV.SFI.EHZ. | 2023-09-18T17:08:27.47 | 0.6 | undecidable | manual | S | 139 | 23.9538 | 107 | 0.04 | 49 |
IV.VISG.HHZ. | 2023-09-18T17:08:26.91 | 0.3 | undecidable | manual | S | 308 | 21.867 | 109 | 0.18 | 71 |
IV.IMOL.HNZ. | 2023-09-18T17:08:26.41 | 0.6 | undecidable | manual | P | 13 | 33.1446 | 103 | 0.87 | 37 |
IV.MOCL.EHZ. | 2023-09-18T17:08:26.24 | 1.0 | positive | manual | P | 260 | 38.1285 | 50 | -0.26 | 23 |
IV.SEI.HHZ. | 2023-09-18T17:08:26.61 | 1.0 | undecidable | manual | S | 266 | 23.3544 | 108 | -0.62 | 21 |
IV.RINC.EHZ. | 2023-09-18T17:08:26.52 | 0.3 | undecidable | manual | S | 190 | 20.4684 | 110 | 0.24 | 70 |
IV.VMGN.HHZ. | 2023-09-18T17:08:25.20 | 0.3 | undecidable | manual | S | 217 | 15.6732 | 115 | 0.44 | 68 |
IV.RUFI.EHZ. | 2023-09-18T17:08:24.34 | 0.1 | positive | manual | P | 204 | 27.8499 | 105 | -0.18 | 94 |
IT.MOG.HNZ. | 2023-09-18T17:08:24.80 | 0.3 | undecidable | manual | S | 39 | 14.6742 | 117 | 0.37 | 69 |
IV.BOSL.HHZ. | 2023-09-18T17:08:24.32 | 0.3 | positive | manual | P | 236 | 26.751 | 105 | 0.02 | 73 |
IV.SEI.HHZ. | 2023-09-18T17:08:23.50 | 0.1 | positive | manual | P | 266 | 23.3544 | 108 | -0.14 | 95 |
IV.RINC.EHZ. | 2023-09-18T17:08:23.17 | 0.1 | positive | manual | P | 190 | 20.4684 | 110 | 0.08 | 97 |
IV.VISG.HHZ. | 2023-09-18T17:08:23.35 | 0.1 | positive | manual | P | 308 | 21.867 | 109 | 0 | 98 |
IV.SFI.EHZ. | 2023-09-18T17:08:23.49 | 0.6 | negative | manual | P | 139 | 23.9538 | 107 | -0.27 | 46 |
IV.VMGN.HHZ. | 2023-09-18T17:08:22.48 | 0.1 | positive | manual | P | 217 | 15.6732 | 115 | 0.27 | 94 |
IT.MOG.HNZ. | 2023-09-18T17:08:22.11 | 0.1 | undecidable | manual | P | 39 | 14.6742 | 117 | 0.09 | 98 |
IT.MRR.HGZ. | 2023-09-18T17:08:21.38 | 0.3 | undecidable | manual | S | 263 | 3.7962 | 153 | -0.24 | 72 |
IV.LMD.HHZ. | 2023-09-18T17:08:21.30 | 0.1 | undecidable | manual | S | 77 | 4.5954 | 148 | -0.47 | 92 |
IT.MRR.HGZ. | 2023-09-18T17:08:20.33 | 0.1 | undecidable | manual | P | 263 | 3.7962 | 153 | -0.07 | 100 |
IV.LMD.HHZ. | 2023-09-18T17:08:20.24 | 0.3 | undecidable | manual | P | 77 | 4.5954 | 148 | -0.25 | 72 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.RINC.EHE. | ML:1.4 | 0.00016999999999999999 | 0.14 | AML | other | m | 2023-09-18T17:08:26.68 |
IV.VMGN.HHE. | ML:1.1 | 0.00011300000000000001 | 1.1 | AML | other | m | 2023-09-18T17:08:26.18 |
IV.VISG.HHE. | ML:1.3 | 0.000156 | 0.26 | AML | other | m | 2023-09-18T17:08:27.04 |
IV.VMGN.HHN. | ML:1.1 | 0.0001308 | 1.3 | AML | other | m | 2023-09-18T17:08:27.08 |
IV.SEI.HHE. | ML:1.9 | 0.000496 | 0.26 | AML | other | m | 2023-09-18T17:08:27.51 |
IV.SFI.EHN. | ML:1.4 | 0.000156 | 0.3 | AML | other | m | 2023-09-18T17:08:27.71 |
IV.VISG.HHN. | ML:1.4 | 0.00016700000000000002 | 1.54 | AML | other | m | 2023-09-18T17:08:27.12 |
IV.SEI.HHN. | ML:2.1 | 0.000751 | 1.8 | AML | other | m | 2023-09-18T17:08:27.91 |
IV.SFI.EHE. | ML:1.4 | 0.0001465 | 1.74 | AML | other | m | 2023-09-18T17:08:28.96 |
IV.RINC.EHN. | ML:1.4 | 0.000175 | 0.42 | AML | other | m | 2023-09-18T17:08:28.44 |
IV.BOSL.HHN. | ML:1.1 | 0.00006994999999999999 | 0.22 | AML | other | m | 2023-09-18T17:08:29.18 |
IV.BOSL.HHE. | ML:1.0 | 0.000059050000000000006 | 0.52 | AML | other | m | 2023-09-18T17:08:29.24 |
IV.MOCL.EHN. | ML:1.8 | 0.00021799999999999999 | 0.24 | AML | other | m | 2023-09-18T17:08:32.22 |
IV.MOCL.EHE. | ML:1.5 | 0.0001255 | 1.52 | AML | other | m | 2023-09-18T17:08:32.94 |