A magnitude ML 1.3 earthquake occured in region: 5 km E Marradi (FI), on
and geographic coordinates (lat, lon) 44.0570, 11.6720 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 | 5 | 3139 | 3139 |
Tredozio | FC | 6 | 1212 | 4351 |
Portico e San Benedetto | FC | 9 | 756 | 5107 |
Palazzuolo sul Senio | FI | 12 | 1154 | 6261 |
Premilcuore | FC | 12 | 799 | 7060 |
Rocca San Casciano | FC | 14 | 1910 | 8970 |
Modigliana | FC | 15 | 4560 | 13530 |
San Godenzo | FI | 15 | 1167 | 14697 |
Dovadola | FC | 19 | 1653 | 16350 |
Casola Valsenio | RA | 19 | 2617 | 18967 |
Brisighella | RA | 20 | 7639 | 26606 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.3 | 2023-09-20 09:20:17 |
44.0573 | 11.6725 | 8 | 2023-09-20 09:30:57 |
Sala Sismica INGV-Roma | 121268211 |
Field | Value |
---|---|
Time (UTC) | 2023-09-20 09:20:17 ± 0.08 |
Latitude | 44.0573 ± 0.0027 |
Longitude | 11.6725 ± 0.0038 |
Depth (km) | 8 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 121268211 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 338 |
Semi-minor axis of confidence ellipse (meter) | 130 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 306 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 340.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 90 |
Number of associated phases, regardless of their use for origin computation | 36 |
Number of defining phases | 23 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.16 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.48204 |
Number of stations at which the event was observed | 25 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.2 |
Num. used stations | 16 |
Type of magnitude | ML |
Reference to an origin | 121268211 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-20 09:30:57 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.BSSO.HHZ. | 2023-09-20T09:21:53.26 | 3.0 | undecidable | manual | Sn | -1.8 | 0 | |||
IV.GIUL.HHZ. | 2023-09-20T09:21:52.09 | 3.0 | undecidable | manual | Sg | 9.26 | 0 | |||
IV.TDS.HHZ. | 2023-09-20T09:21:51.39 | 3.0 | undecidable | manual | Pg | 9.85 | 0 | |||
IV.POFI.HNZ. | 2023-09-20T09:21:40.73 | 3.0 | undecidable | manual | Sn | -2.16 | 0 | |||
CH.FUORN.HHZ. | 2023-09-20T09:21:27.56 | 3.0 | undecidable | manual | Sg | 5.07 | 0 | |||
IV.RCAV.EHZ. | 2023-09-20T09:21:24.94 | 3.0 | undecidable | manual | Sn | -9.28 | 0 | |||
IV.OFFI.HHZ. | 2023-09-20T09:21:13.66 | 3.0 | undecidable | manual | Sn | -4.7 | 0 | |||
IV.LPEL.HHZ. | 2023-09-20T09:21:10.09 | 3.0 | positive | manual | Pg | 8.26 | 0 | |||
IV.MRGE.HHZ. | 2023-09-20T09:21:07.85 | 3.0 | positive | manual | Pn | 0.78 | 0 | |||
IV.VVLD.HHZ. | 2023-09-20T09:21:02.26 | 3.0 | undecidable | manual | Pg | 1.5 | 0 | |||
IV.CAMP.HHZ. | 2023-09-20T09:20:53.51 | 3.0 | undecidable | manual | Pg | 1.71 | 0 | |||
IV.SMA1.EHZ. | 2023-09-20T09:20:47.72 | 3.0 | negative | manual | Pn | -2.59 | 0 | |||
IV.GUMA.HHZ. | 2023-09-20T09:20:41.46 | 3.0 | positive | manual | Pn | -4.12 | 0 | |||
IV.MOCL.EHZ. | 2023-09-20T09:20:31.46 | 0.6 | undecidable | manual | S | 262 | 39.627 | 50 | 0 | 47 |
IV.BOSL.HHE. | 2023-09-20T09:20:27.60 | 0.6 | undecidable | manual | S | 240 | 27.6501 | 106 | -0.14 | 47 |
IV.CRE.HHZ. | 2023-09-20T09:20:27.56 | 0.6 | negative | manual | P | 155 | 53.502 | 50 | -0.25 | 44 |
IV.RUFI.EHZ. | 2023-09-20T09:20:27.54 | 0.6 | undecidable | manual | S | 208 | 27.6501 | 106 | -0.19 | 47 |
IV.VISG.HHZ. | 2023-09-20T09:20:26.57 | 0.6 | undecidable | manual | S | 308 | 23.9538 | 109 | 0.06 | 48 |
IV.SEI.HHZ. | 2023-09-20T09:20:26.73 | 0.6 | undecidable | manual | S | 269 | 25.0527 | 108 | -0.15 | 47 |
IV.MOCL.EHZ. | 2023-09-20T09:20:25.46 | 1.0 | undecidable | manual | P | 262 | 39.627 | 50 | -0.2 | 23 |
IV.SFI.EHZ. | 2023-09-20T09:20:25.88 | 0.6 | undecidable | manual | S | 141 | 21.9669 | 110 | 0.02 | 49 |
IV.RINC.EHZ. | 2023-09-20T09:20:25.36 | 0.6 | undecidable | manual | S | 195 | 19.6692 | 112 | 0.23 | 47 |
IV.VMGN.HHZ. | 2023-09-20T09:20:24.31 | 0.6 | undecidable | manual | S | 224 | 15.9729 | 117 | 0.35 | 46 |
IT.MOG.HNE. | 2023-09-20T09:20:23.94 | 0.6 | undecidable | manual | S | 31 | 14.5743 | 119 | 0.4 | 45 |
IV.BOSL.HHE. | 2023-09-20T09:20:23.69 | 0.1 | undecidable | manual | P | 240 | 27.6501 | 106 | 0.17 | 93 |
IV.RUFI.EHZ. | 2023-09-20T09:20:23.38 | 0.3 | positive | manual | P | 208 | 27.6501 | 106 | -0.13 | 71 |
IV.RINC.EHZ. | 2023-09-20T09:20:22.13 | 1.0 | positive | manual | P | 195 | 19.6692 | 112 | 0.12 | 24 |
IV.VISG.HHZ. | 2023-09-20T09:20:22.71 | 0.1 | undecidable | manual | P | 308 | 23.9538 | 109 | -0.1 | 95 |
IV.SEI.HHZ. | 2023-09-20T09:20:22.87 | 0.6 | undecidable | manual | P | 269 | 25.0527 | 108 | -0.15 | 47 |
IV.SFI.EHZ. | 2023-09-20T09:20:22.10 | 1.0 | negative | manual | P | 141 | 21.9669 | 110 | -0.33 | 23 |
IV.VMGN.HHZ. | 2023-09-20T09:20:21.60 | 0.3 | positive | manual | P | 224 | 15.9729 | 117 | 0.27 | 70 |
IT.MOG.HNE. | 2023-09-20T09:20:21.22 | 0.1 | undecidable | manual | P | 31 | 14.5743 | 119 | 0.13 | 96 |
IT.MRR.HGN. | 2023-09-20T09:20:21.03 | 0.6 | undecidable | manual | S | 278 | 5.5944 | 145 | -0.12 | 49 |
IV.LMD.HHZ. | 2023-09-20T09:20:20.31 | 0.6 | undecidable | manual | S | 51 | 3.5964 | 156 | -0.5 | 45 |
IT.MRR.HGN. | 2023-09-20T09:20:19.74 | 0.1 | undecidable | manual | P | 278 | 5.5944 | 145 | 0.02 | 100 |
IV.LMD.HHZ. | 2023-09-20T09:20:19.34 | 1.0 | undecidable | manual | P | 51 | 3.5964 | 156 | -0.18 | 24 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VMGN.HHN. | ML:0.0 | 0.00026749999999999994 | 0.16 | AML | other | m | 2023-09-20T09:20:24.72 |
IV.VMGN.HHE. | ML:0.0 | 0.0001612652 | 0.096 | AML | other | m | 2023-09-20T09:20:24.61 |
IV.RINC.EHN. | ML:0.0 | 0.00015559925 | 0.1984 | AML | other | m | 2023-09-20T09:20:25.76 |
IV.SFI.EHE. | ML:0.0 | 0.00011900472000000001 | 0.16 | AML | other | m | 2023-09-20T09:20:26.03 |
IV.SFI.EHN. | ML:0.0 | 0.00010341505500000001 | 0.0768 | AML | other | m | 2023-09-20T09:20:25.94 |
IV.RINC.EHE. | ML:0.0 | 0.000181198 | 0.256 | AML | other | m | 2023-09-20T09:20:27.02 |
IV.VISG.HHE. | ML:0.0 | 0.000052695964999999996 | 0.0832 | AML | other | m | 2023-09-20T09:20:27.45 |
IV.RUFI.EHN. | ML:0.0 | 0.00014018637 | 0.2368 | AML | other | m | 2023-09-20T09:20:27.85 |
IV.RUFI.EHE. | ML:0.0 | 0.00004046964999999999 | 0.2624 | AML | other | m | 2023-09-20T09:20:28.01 |
IV.SEI.HHN. | ML:0.0 | 0.00023272685 | 0.3008 | AML | other | m | 2023-09-20T09:20:28.91 |
IV.VISG.HHN. | ML:0.0 | 0.00006572867 | 0.1216 | AML | other | m | 2023-09-20T09:20:26.82 |
IV.SEI.HHE. | ML:0.0 | 0.00013326601500000002 | 0.1984 | AML | other | m | 2023-09-20T09:20:29.77 |
IV.CRE.HHN. | ML:1.6 | 0.0000894 | 0.06 | AML | other | m | 2023-09-20T09:21:03.24 |
IV.CRE.HHE. | ML:1.3 | 0.000046450000000000004 | 0.06 | AML | other | m | 2023-09-20T09:21:04.65 |
IV.LMD.HHE. | ML:0.0 | 0.0017391035 | 0.0768 | AML | other | m | 2023-09-20T09:20:20.52 |
IV.LMD.HHN. | ML:0.0 | 0.0019728354999999998 | 0.1152 | AML | other | m | 2023-09-20T09:20:20.47 |
IV.SFI.HNE. | ML:1.2 | 0.000121897695 | 0.1664 | AML | other | m | 2023-09-20T09:20:26.02 |
IV.SFI.HNN. | ML:1.3 | 0.00012906066 | 0.7488 | AML | other | m | 2023-09-20T09:20:37.07 |