A magnitude ML 1.8 earthquake occured in region: 5 km E Marradi (FI), on
and geographic coordinates (lat, lon) 44.0680, 11.6760 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 | 5 | 3139 | 3139 |
Tredozio | FC | 6 | 1212 | 4351 |
Portico e San Benedetto | FC | 10 | 756 | 5107 |
Palazzuolo sul Senio | FI | 11 | 1154 | 6261 |
Premilcuore | FC | 13 | 799 | 7060 |
Rocca San Casciano | FC | 13 | 1910 | 8970 |
Modigliana | FC | 14 | 4560 | 13530 |
San Godenzo | FI | 16 | 1167 | 14697 |
Casola Valsenio | RA | 18 | 2617 | 17314 |
Dovadola | FC | 18 | 1653 | 18967 |
Brisighella | RA | 19 | 7639 | 26606 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.8 | 2023-09-19 04:06:04 |
44.0685 | 11.6758 | 7 | 2023-09-19 04:11:16 |
Sala Sismica INGV-Roma | 121216951 |
Field | Value |
---|---|
Time (UTC) | 2023-09-19 04:06:04 ± 0.1 |
Latitude | 44.0685 ± 0.0036 |
Longitude | 11.6758 ± 0.0050 |
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 | 121216951 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 399 |
Semi-minor axis of confidence ellipse (meter) | 204 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 120 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 400.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 75 |
Number of associated phases, regardless of their use for origin computation | 29 |
Number of defining phases | 23 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.25 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.49103 |
Number of stations at which the event was observed | 17 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.3 |
Num. used stations | 28 |
Type of magnitude | ML |
Reference to an origin | 121216951 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-19 04:11:16 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CRE.HHZ. | 2023-09-19T04:06:22.18 | 0.3 | undecidable | manual | S | 156 | 54.501 | 50 | -0.24 | 66 |
IV.CAFI.HHZ. | 2023-09-19T04:06:21.04 | 3.0 | positive | manual | P | 1.39 | 0 | |||
IV.MOCL.EHN. | 2023-09-19T04:06:17.60 | 3.0 | undecidable | manual | S | -0.12 | 0 | |||
IV.APEC.HHN. | 2023-09-19T04:06:17.98 | 3.0 | negative | manual | P | -1.41 | 0 | |||
IV.CRMI.HHZ. | 2023-09-19T04:06:16.36 | 3.0 | undecidable | manual | P | 0.63 | 0 | |||
IV.CPGN.EHZ. | 2023-09-19T04:06:15.70 | 3.0 | undecidable | manual | P | -0.01 | 0 | |||
IV.RUFI.EHZ. | 2023-09-19T04:06:14.70 | 0.3 | undecidable | manual | S | 208 | 28.8489 | 103 | 0.01 | 72 |
IV.BOSL.HHZ. | 2023-09-19T04:06:14.74 | 0.3 | undecidable | manual | S | 238 | 28.4493 | 103 | 0.16 | 70 |
IV.CRE.HHZ. | 2023-09-19T04:06:14.12 | 1.0 | undecidable | manual | P | 156 | 54.501 | 50 | -0.69 | 19 |
IV.SEI.HHZ. | 2023-09-19T04:06:13.45 | 0.1 | undecidable | manual | S | 267 | 25.3524 | 105 | -0.07 | 96 |
IV.RINC.EHZ. | 2023-09-19T04:06:12.34 | 0.3 | undecidable | manual | S | 195 | 20.9679 | 108 | 0.29 | 69 |
IV.VISG.HHZ. | 2023-09-19T04:06:12.92 | 0.6 | undecidable | manual | S | 305 | 23.4543 | 106 | 0.04 | 48 |
IV.SFI.EHN. | 2023-09-19T04:06:12.86 | 0.3 | undecidable | manual | S | 143 | 22.755 | 106 | 0.21 | 70 |
IV.MOCL.EHZ. | 2023-09-19T04:06:12.17 | 3.0 | positive | manual | P | 0.26 | 0 | |||
IV.IMOL.EHZ. | 2023-09-19T04:06:11.91 | 0.3 | positive | manual | P | 9 | 32.745 | 102 | 0.79 | 58 |
IV.VMGN.HHE. | 2023-09-19T04:06:11.22 | 0.3 | undecidable | manual | S | 222 | 17.0718 | 111 | 0.44 | 67 |
IV.RUFI.EHZ. | 2023-09-19T04:06:10.09 | 0.1 | positive | manual | P | 208 | 28.8489 | 103 | -0.26 | 91 |
IV.BOSL.HHZ. | 2023-09-19T04:06:10.15 | 0.3 | positive | manual | P | 238 | 28.4493 | 103 | -0.14 | 70 |
IV.SFI.EHN. | 2023-09-19T04:06:09.16 | 0.6 | undecidable | manual | P | 143 | 22.755 | 106 | -0.01 | 49 |
IV.SEI.HHZ. | 2023-09-19T04:06:09.37 | 0.1 | positive | manual | P | 267 | 25.3524 | 105 | -0.31 | 91 |
IT.MOG.HNZ. | 2023-09-19T04:06:09.91 | 0.3 | undecidable | manual | S | 33 | 13.3755 | 117 | 0.28 | 70 |
IV.VISG.HHZ. | 2023-09-19T04:06:09.11 | 0.1 | positive | manual | P | 305 | 23.4543 | 106 | -0.2 | 94 |
IV.VMGN.HHE. | 2023-09-19T04:06:08.28 | 0.1 | negative | manual | P | 222 | 17.0718 | 111 | 0.18 | 95 |
IV.RINC.EHZ. | 2023-09-19T04:06:08.88 | 0.3 | positive | manual | P | 195 | 20.9679 | 108 | 0.05 | 73 |
IT.MRR.HGZ. | 2023-09-19T04:06:07.48 | 0.1 | undecidable | manual | S | 265 | 5.7942 | 139 | -0.02 | 100 |
IT.MOG.HNZ. | 2023-09-19T04:06:07.53 | 0.1 | undecidable | manual | P | 33 | 13.3755 | 117 | 0.1 | 97 |
IT.MRR.HGZ. | 2023-09-19T04:06:06.26 | 0.1 | undecidable | manual | P | 265 | 5.7942 | 139 | 0.06 | 99 |
IV.LMD.HHZ. | 2023-09-19T04:06:06.51 | 0.1 | undecidable | manual | S | 68 | 2.6973 | 158 | -0.42 | 92 |
IV.LMD.HHZ. | 2023-09-19T04:06:05.67 | 0.1 | undecidable | manual | P | 68 | 2.6973 | 158 | -0.2 | 97 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VMGN.HHE. | ML:1.6 | 0.0003795 | 0.48 | AML | other | m | 2023-09-19T04:06:11.42 |
IV.RINC.EHE. | ML:1.8 | 0.0004985 | 0.28 | AML | other | m | 2023-09-19T04:06:12.59 |
IV.SFI.HNE. | ML:1.9 | 0.0005795 | 1.82 | AML | other | m | 2023-09-19T04:06:12.95 |
IV.SFI.EHE. | ML:1.9 | 0.0005859999999999999 | 1.82 | AML | other | m | 2023-09-19T04:06:12.95 |
IV.VMGN.HHN. | ML:1.6 | 0.0003775 | 0.46 | AML | other | m | 2023-09-19T04:06:13.41 |
IV.VISG.HHN. | ML:1.5 | 0.0002275 | 0.34 | AML | other | m | 2023-09-19T04:06:13.18 |
IV.SFI.EHN. | ML:1.8 | 0.0004805 | 0.94 | AML | other | m | 2023-09-19T04:06:13.52 |
IV.SFI.HNN. | ML:1.9 | 0.0005005 | 0.94 | AML | other | m | 2023-09-19T04:06:13.52 |
IV.VISG.HHE. | ML:1.4 | 0.0001735 | 0.46 | AML | other | m | 2023-09-19T04:06:13.60 |
IV.SEI.HHE. | ML:2.2 | 0.000876 | 0.28 | AML | other | m | 2023-09-19T04:06:13.61 |
IV.RUFI.EHN. | ML:1.7 | 0.000247 | 0.32 | AML | other | m | 2023-09-19T04:06:14.83 |
IV.BOSL.HHN. | ML:1.4 | 0.0001295 | 1.38 | AML | other | m | 2023-09-19T04:06:15.14 |
IV.SEI.HHN. | ML:2.4 | 0.00146 | 0.48 | AML | other | m | 2023-09-19T04:06:15.35 |
IV.RUFI.EHE. | ML:1.3 | 0.00010244999999999998 | 0.34 | AML | other | m | 2023-09-19T04:06:15.43 |
IV.BOSL.HHE. | ML:1.4 | 0.000125 | 0.22 | AML | other | m | 2023-09-19T04:06:16.82 |
IV.RINC.EHN. | ML:1.6 | 0.0003195 | 0.64 | AML | other | m | 2023-09-19T04:06:17.47 |
IV.MOCL.EHN. | ML:1.9 | 0.00027400000000000005 | 0.12 | AML | other | m | 2023-09-19T04:06:18.45 |
IV.MOCL.EHE. | ML:1.9 | 0.00026000000000000003 | 0.16 | AML | other | m | 2023-09-19T04:06:18.39 |
IV.IMOL.HNN. | ML:2.2 | 0.0006684999999999999 | 0.24 | AML | other | m | 2023-09-19T04:06:19.37 |
IV.IMOL.HNE. | ML:2.2 | 0.000682 | 0.22 | AML | other | m | 2023-09-19T04:06:19.61 |
IV.CRE.HHN. | ML:2.3 | 0.00048550000000000004 | 0.26 | AML | other | m | 2023-09-19T04:06:22.75 |
IV.CRE.HHE. | ML:1.8 | 0.000144 | 1.14 | AML | other | m | 2023-09-19T04:06:22.80 |
IV.CRMI.HHN. | ML:1.6 | 0.0000766 | 1.52 | AML | other | m | 2023-09-19T04:06:25.21 |
IV.CRMI.HHE. | ML:1.4 | 0.0000472 | 0.44 | AML | other | m | 2023-09-19T04:06:25.35 |
IV.CPGN.HNE. | ML:2.3 | 0.000417 | 0.74 | AML | other | m | 2023-09-19T04:06:31.00 |
IV.CPGN.EHN. | ML:1.7 | 0.00011525 | 0.42 | AML | other | m | 2023-09-19T04:06:32.58 |
IV.CPGN.EHE. | ML:1.7 | 0.0001076 | 0.42 | AML | other | m | 2023-09-19T04:06:33.11 |
IV.CPGN.HNN. | ML:2.4 | 0.0005344999999999999 | 0.88 | AML | other | m | 2023-09-19T04:06:35.49 |