A magnitude ML 1.2 earthquake occured in region: 2 km E Marradi (FI), on
and geographic coordinates (lat, lon) 44.0740, 11.6370 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 | 2 | 3139 | 3139 |
Palazzuolo sul Senio | FI | 8 | 1154 | 4293 |
Tredozio | FC | 9 | 1212 | 5505 |
Portico e San Benedetto | FC | 13 | 756 | 6261 |
Premilcuore | FC | 16 | 799 | 7060 |
Modigliana | FC | 16 | 4560 | 11620 |
San Godenzo | FI | 16 | 1167 | 12787 |
Rocca San Casciano | FC | 17 | 1910 | 14697 |
Casola Valsenio | RA | 17 | 2617 | 17314 |
Castel del Rio | BO | 19 | 1246 | 18560 |
Brisighella | RA | 20 | 7639 | 26199 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2023-09-19 17:02:07 |
44.0737 | 11.6368 | 7 | 2023-09-19 17:12:23 |
Sala Sismica INGV-Roma | 121237951 |
Field | Value |
---|---|
Time (UTC) | 2023-09-19 17:02:07 ± 0.08 |
Latitude | 44.0737 ± 0.0027 |
Longitude | 11.6368 ± 0.0038 |
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 | 121237951 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 314 |
Semi-minor axis of confidence ellipse (meter) | 108 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 170 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 310.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 76 |
Number of associated phases, regardless of their use for origin computation | 26 |
Number of defining phases | 25 |
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) | 0.50812 |
Number of stations at which the event was observed | 14 |
Number of stations from which data was used for origin computation | 13 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.3 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 121237951 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-19 17:12:23 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MURB.HHZ. | 2023-09-19T17:02:29.66 | 3.0 | undecidable | manual | P | 1.94 | 0 | |||
IV.CRE.HHZ. | 2023-09-19T17:02:26.05 | 0.6 | undecidable | manual | S | 153 | 56.3991 | 50 | -0.21 | 44 |
IV.MOCL.EHZ. | 2023-09-19T17:02:20.67 | 0.3 | undecidable | manual | S | 258 | 37.1295 | 100 | -0.24 | 68 |
IV.CRE.HHZ. | 2023-09-19T17:02:18.28 | 1.0 | undecidable | manual | P | 153 | 56.3991 | 50 | -0.18 | 22 |
IV.RUFI.EHZ. | 2023-09-19T17:02:17.58 | 0.6 | undecidable | manual | S | 201 | 28.0497 | 104 | -0.24 | 46 |
IV.BOSL.HHZ. | 2023-09-19T17:02:17.29 | 0.3 | undecidable | manual | S | 233 | 26.2515 | 105 | 0.07 | 71 |
IV.SFI.EHZ. | 2023-09-19T17:02:16.89 | 0.3 | undecidable | manual | S | 138 | 25.1526 | 105 | 0.04 | 72 |
IV.VISG.HHZ. | 2023-09-19T17:02:15.36 | 0.3 | undecidable | manual | S | 308 | 20.5683 | 108 | 0.03 | 73 |
IV.SEI.HHZ. | 2023-09-19T17:02:15.86 | 0.6 | undecidable | manual | S | 265 | 22.2555 | 107 | -0.03 | 48 |
IV.RINC.EHZ. | 2023-09-19T17:02:15.68 | 0.6 | undecidable | manual | S | 187 | 20.868 | 108 | 0.25 | 46 |
IV.MOCL.EHZ. | 2023-09-19T17:02:15.07 | 0.6 | negative | manual | P | 258 | 37.1295 | 100 | -0.3 | 44 |
IV.MTRZ.HNN. | 2023-09-19T17:02:14.92 | 0.6 | undecidable | manual | P | 328 | 31.4463 | 102 | 0.68 | 40 |
IV.VMGN.HHZ. | 2023-09-19T17:02:14.17 | 0.3 | undecidable | manual | S | 212 | 15.5733 | 114 | 0.46 | 67 |
IV.RUFI.EHZ. | 2023-09-19T17:02:13.40 | 0.6 | positive | manual | P | 201 | 28.0497 | 104 | -0.19 | 46 |
IT.MOG.HNZ. | 2023-09-19T17:02:13.86 | 0.6 | undecidable | manual | S | 44 | 14.874 | 115 | 0.37 | 46 |
IV.BOSL.HHZ. | 2023-09-19T17:02:13.38 | 0.1 | undecidable | manual | P | 233 | 26.2515 | 105 | 0.14 | 94 |
IV.RINC.EHZ. | 2023-09-19T17:02:12.45 | 0.6 | undecidable | manual | P | 187 | 20.868 | 108 | 0.24 | 46 |
IV.SFI.EHZ. | 2023-09-19T17:02:12.85 | 0.3 | undecidable | manual | P | 138 | 25.1526 | 105 | -0.17 | 70 |
IV.VISG.HHZ. | 2023-09-19T17:02:12.02 | 0.1 | negative | manual | P | 308 | 20.5683 | 108 | -0.13 | 95 |
IV.SEI.HHZ. | 2023-09-19T17:02:12.34 | 0.1 | undecidable | manual | P | 265 | 22.2555 | 107 | -0.13 | 95 |
IT.MOG.HNZ. | 2023-09-19T17:02:11.14 | 0.1 | undecidable | manual | P | 44 | 14.874 | 115 | 0.05 | 97 |
IV.VMGN.HHZ. | 2023-09-19T17:02:11.48 | 0.3 | positive | manual | P | 212 | 15.5733 | 114 | 0.26 | 70 |
IT.MRR.HGZ. | 2023-09-19T17:02:10.22 | 0.1 | undecidable | manual | S | 248 | 2.8971 | 157 | -0.15 | 97 |
IV.LMD.HHZ. | 2023-09-19T17:02:10.66 | 0.3 | undecidable | manual | S | 86 | 5.5944 | 140 | -0.21 | 72 |
IV.LMD.HHZ. | 2023-09-19T17:02:09.49 | 0.1 | undecidable | manual | P | 86 | 5.5944 | 140 | -0.09 | 98 |
IT.MRR.HGZ. | 2023-09-19T17:02:09.26 | 0.1 | undecidable | manual | P | 248 | 2.8971 | 157 | -0.02 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VMGN.HHE. | ML:1.0 | 0.0000944 | 0.38 | AML | other | m | 2023-09-19T17:02:14.53 |
IV.VISG.HHE. | ML:1.2 | 0.00010899999999999999 | 0.74 | AML | other | m | 2023-09-19T17:02:15.58 |
IV.VISG.HHN. | ML:1.3 | 0.00013800000000000002 | 1.22 | AML | other | m | 2023-09-19T17:02:16.78 |
IV.SEI.HHE. | ML:1.6 | 0.000317 | 1 | AML | other | m | 2023-09-19T17:02:16.19 |
IV.SEI.HHN. | ML:2.1 | 0.0008534999999999999 | 0.22 | AML | other | m | 2023-09-19T17:02:16.61 |
IV.VMGN.HHN. | ML:1.0 | 0.00010200000000000001 | 0.28 | AML | other | m | 2023-09-19T17:02:16.65 |
IV.RINC.EHN. | ML:1.1 | 0.00009779999999999999 | 0.32 | AML | other | m | 2023-09-19T17:02:16.96 |
IV.RINC.EHE. | ML:1.2 | 0.00011875 | 1.22 | AML | other | m | 2023-09-19T17:02:17.07 |
IV.SFI.EHN. | ML:1.2 | 0.00009325 | 0.16 | AML | other | m | 2023-09-19T17:02:17.70 |
IV.SFI.EHE. | ML:1.1 | 0.0000781 | 1.4 | AML | other | m | 2023-09-19T17:02:17.12 |
IV.RUFI.EHE. | ML:0.7 | 0.000029169999999999997 | 0.26 | AML | other | m | 2023-09-19T17:02:18.03 |
IV.RUFI.EHN. | ML:1.0 | 0.000057415 | 0.54 | AML | other | m | 2023-09-19T17:02:18.29 |
IV.MOCL.EHN. | ML:1.7 | 0.0001895 | 1.86 | AML | other | m | 2023-09-19T17:02:20.98 |
IV.MOCL.EHE. | ML:1.6 | 0.000152 | 0.7 | AML | other | m | 2023-09-19T17:02:21.29 |