A magnitude ML 0.3 earthquake occured in region: 5 km E Marradi (FI), on
and geographic coordinates (lat, lon) 44.0680, 11.6790 at 5 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 | 5 | 1212 | 4351 |
Portico e San Benedetto | FC | 9 | 756 | 5107 |
Palazzuolo sul Senio | FI | 12 | 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 |
Dovadola | FC | 18 | 1653 | 16350 |
Casola Valsenio | RA | 18 | 2617 | 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 0.3 | 2023-10-08 18:53:29 |
44.0675 | 11.6793 | 5 | 2023-10-08 19:06:00 |
Sala Sismica INGV-Roma | 121900941 |
Field | Value |
---|---|
Time (UTC) | 2023-10-08 18:53:29 ± 0.12 |
Latitude | 44.0675 ± 0.0036 |
Longitude | 11.6793 ± 0.0050 |
Depth (km) | 5 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 121900941 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 389 |
Semi-minor axis of confidence ellipse (meter) | 156 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 139 |
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) | 86 |
Number of associated phases, regardless of their use for origin computation | 17 |
Number of defining phases | 17 |
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) | 0.02248 |
Epicentral distance of station farthest from the epicenter (degree) | 0.25990 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 0.3 |
Uncertainty | 0.3 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 121900941 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-10-08 19:06:00 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RUFI.EHZ. | 2023-10-08T18:53:40.12 | 0.1 | undecidable | manual | S | 208 | 28.8489 | 101 | 0 | 98 |
IV.SEI.HHZ. | 2023-10-08T18:53:39.01 | 0.1 | undecidable | manual | S | 267 | 25.6521 | 102 | -0.01 | 98 |
IV.SFI.HNZ. | 2023-10-08T18:53:38.15 | 0.1 | undecidable | manual | S | 143 | 22.4553 | 103 | 0.2 | 95 |
IV.VISG.HHZ. | 2023-10-08T18:53:38.40 | 0.1 | undecidable | manual | S | 305 | 23.754 | 103 | 0.02 | 98 |
IV.VMGN.HHZ. | 2023-10-08T18:53:36.58 | 0.1 | undecidable | manual | S | 223 | 17.1717 | 107 | 0.41 | 92 |
IV.RUFI.EHZ. | 2023-10-08T18:53:35.48 | 0.1 | undecidable | manual | P | 208 | 28.8489 | 101 | -0.34 | 91 |
IT.MOG.HNN. | 2023-10-08T18:53:35.36 | 0.1 | undecidable | manual | S | 31 | 13.3755 | 112 | 0.42 | 92 |
IV.SEI.HHZ. | 2023-10-08T18:53:34.86 | 0.1 | undecidable | manual | P | 267 | 25.6521 | 102 | -0.32 | 92 |
IV.RINC.EHZ. | 2023-10-08T18:53:34.24 | 0.1 | undecidable | manual | P | 196 | 20.868 | 104 | -0.02 | 99 |
IV.SFI.HNZ. | 2023-10-08T18:53:34.41 | 0.1 | undecidable | manual | P | 143 | 22.4553 | 103 | -0.16 | 96 |
IV.VISG.HHZ. | 2023-10-08T18:53:34.63 | 0.1 | undecidable | manual | P | 305 | 23.754 | 103 | -0.18 | 95 |
IV.VMGN.HHZ. | 2023-10-08T18:53:33.70 | 0.1 | undecidable | manual | P | 223 | 17.1717 | 107 | 0.17 | 96 |
IT.MRR.HGE. | 2023-10-08T18:53:32.90 | 0.1 | undecidable | manual | S | 266 | 6.0939 | 131 | 0.15 | 99 |
IT.MOG.HNN. | 2023-10-08T18:53:32.92 | 0.1 | undecidable | manual | P | 31 | 13.3755 | 112 | 0.1 | 98 |
IT.MRR.HGE. | 2023-10-08T18:53:31.64 | 0.1 | undecidable | manual | P | 266 | 6.0939 | 131 | 0.08 | 100 |
IV.LMD.HHZ. | 2023-10-08T18:53:31.71 | 0.1 | undecidable | manual | S | 63 | 2.4975 | 155 | -0.28 | 97 |
IV.LMD.HHZ. | 2023-10-08T18:53:30.88 | 0.1 | undecidable | manual | P | 63 | 2.4975 | 155 | -0.24 | 97 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VMGN.HHN. | ML:0.2 | 0.000015584674999999998 | 0.2304 | AML | other | m | 2023-10-08T18:53:37.70 |
IV.VMGN.HHE. | ML:0.2 | 0.000015087622500000001 | 0.2304 | AML | other | m | 2023-10-08T18:53:36.67 |
IV.VISG.HHN. | ML:0.4 | 0.000016314974 | 0.0896 | AML | other | m | 2023-10-08T18:53:39.04 |
IV.VISG.HHE. | ML:0.2 | 0.000009888281500000001 | 0.2048 | AML | other | m | 2023-10-08T18:53:39.80 |
IV.SEI.HHE. | ML:1.0 | 0.0000652966 | 0.2816 | AML | other | m | 2023-10-08T18:53:39.58 |
IV.SEI.HHN. | ML:1.1 | 0.0000743 | 0.3 | AML | other | m | 2023-10-08T18:53:40.41 |
IV.LMD.HHE. | ML:0.0 | 0.00038705624999999997 | 0.0512 | AML | other | m | 2023-10-08T18:53:31.96 |
IV.LMD.HHN. | ML:0.0 | 0.0009905420499999999 | 0.1408 | AML | other | m | 2023-10-08T18:53:31.87 |
IV.RINC.EHE. | ML:0.3 | 0.000016374915 | 0.192 | AML | other | m | 2023-10-08T18:53:39.45 |
IV.RINC.EHN. | ML:0.4 | 0.000018245816999999997 | 0.448 | AML | other | m | 2023-10-08T18:53:41.76 |
IV.RUFI.EHE. | ML:0.0 | 0.000007269146 | 0.4736 | AML | other | m | 2023-10-08T18:53:43.83 |
IV.RUFI.EHN. | ML:0.4 | 0.000015988889999999998 | 1.28 | AML | other | m | 2023-10-08T18:53:38.28 |