A magnitude ML 1.3 earthquake occured in region: 1 km S Marradi (FI), on
and geographic coordinates (lat, lon) 44.0670, 11.6170 at 6 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 | 1 | 3139 | 3139 |
Palazzuolo sul Senio | FI | 8 | 1154 | 4293 |
Tredozio | FC | 10 | 1212 | 5505 |
Portico e San Benedetto | FC | 14 | 756 | 6261 |
San Godenzo | FI | 16 | 1167 | 7428 |
Premilcuore | FC | 16 | 799 | 8227 |
Modigliana | FC | 17 | 4560 | 12787 |
Casola Valsenio | RA | 18 | 2617 | 15404 |
Rocca San Casciano | FC | 18 | 1910 | 17314 |
Castel del Rio | BO | 19 | 1246 | 18560 |
Vicchio | FI | 19 | 8044 | 26604 |
Firenzuola | FI | 20 | 4726 | 31330 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.3 | 2023-10-28 03:39:18 |
44.0667 | 11.617 | 7 | 2023-10-28 03:47:04 |
Sala Sismica INGV-Roma | 122490131 |
Field | Value |
---|---|
Time (UTC) | 2023-10-28 03:39:18 ± 0.1 |
Latitude | 44.0667 ± 0.0036 |
Longitude | 11.6170 ± 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 | 122490131 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 389 |
Semi-minor axis of confidence ellipse (meter) | 110 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 141 |
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) | 93 |
Number of associated phases, regardless of their use for origin computation | 38 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.21 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.24102 |
Number of stations at which the event was observed | 26 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 122490131 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-10-28 03:47:04 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MCRV.HHZ. | 2023-10-28T03:41:12.55 | 3.0 | undecidable | manual | Sn | -0.46 | 0 | |||
GU.LSD.HHZ. | 2023-10-28T03:41:08.80 | 3.0 | undecidable | manual | Sg | 11.72 | 0 | |||
IV.MRB1.HHZ. | 2023-10-28T03:41:00.14 | 3.0 | undecidable | manual | Sn | -4.06 | 0 | |||
7C.SPAOL.HNZ. | 2023-10-28T03:40:58.35 | 3.0 | negative | manual | Pn | -3.31 | 0 | |||
IV.PTRJ.HHZ. | 2023-10-28T03:40:49.63 | 3.0 | undecidable | manual | Sn | -4.92 | 0 | |||
IV.VVLD.HHZ. | 2023-10-28T03:40:42.01 | 3.0 | undecidable | manual | Sg | 7.18 | 0 | |||
IV.VCEL.EHZ. | 2023-10-28T03:40:33.90 | 3.0 | undecidable | manual | Sg | 6.64 | 0 | |||
IV.MCRV.HHZ. | 2023-10-28T03:40:31.16 | 3.0 | undecidable | manual | Pg | 8.08 | 0 | |||
GU.LSD.HHZ. | 2023-10-28T03:40:24.45 | 3.0 | undecidable | manual | Pg | 10.32 | 0 | |||
IV.FIAM.HHZ. | 2023-10-28T03:40:23.45 | 3.0 | undecidable | manual | Sg | 1.78 | 0 | |||
IV.MAGA.HHZ. | 2023-10-28T03:40:18.13 | 3.0 | undecidable | manual | Sg | 0.73 | 0 | |||
IV.PTRJ.HHZ. | 2023-10-28T03:40:18.52 | 3.0 | undecidable | manual | Pg | 5.81 | 0 | |||
IV.MF5.EHZ. | 2023-10-28T03:40:10.67 | 3.0 | undecidable | manual | Sn | -1.73 | 0 | |||
GU.SATI.HHZ. | 2023-10-28T03:40:09.14 | 3.0 | undecidable | manual | Pn | -1.39 | 0 | |||
IV.BSSO.HHZ. | 2023-10-28T03:40:09.40 | 3.0 | undecidable | manual | Pn | -1.79 | 0 | |||
IV.CIMA.HNZ. | 2023-10-28T03:39:50.62 | 3.0 | undecidable | manual | Pg | 2.16 | 0 | |||
IV.ATFO.HHZ. | 2023-10-28T03:39:49.59 | 3.0 | undecidable | manual | S | -3.64 | 0 | |||
IV.ARVD.HHZ. | 2023-10-28T03:39:39.15 | 3.0 | positive | manual | P | -1.63 | 0 | |||
IV.ATFO.HHZ. | 2023-10-28T03:39:36.13 | 3.0 | undecidable | manual | P | -2.13 | 0 | |||
IV.RUFI.EHZ. | 2023-10-28T03:39:28.19 | 0.3 | undecidable | manual | S | 199 | 26.751 | 104 | -0.09 | 72 |
IV.SFI.EHZ. | 2023-10-28T03:39:27.83 | 0.3 | undecidable | manual | S | 134 | 25.6521 | 104 | -0.09 | 72 |
IV.RINC.EHZ. | 2023-10-28T03:39:26.13 | 0.3 | undecidable | manual | S | 182 | 19.9689 | 108 | 0.11 | 72 |
IV.SEI.HHZ. | 2023-10-28T03:39:26.25 | 0.3 | undecidable | manual | S | 266 | 20.6682 | 108 | 0.01 | 74 |
IV.MOCL.EHZ. | 2023-10-28T03:39:25.50 | 3.0 | positive | manual | P | -0.94 | 0 | |||
IT.MOG.HNZ. | 2023-10-28T03:39:25.36 | 0.3 | undecidable | manual | S | 46 | 16.5723 | 111 | 0.45 | 68 |
IV.VMGN.HHZ. | 2023-10-28T03:39:24.65 | 0.3 | undecidable | manual | S | 208 | 14.1747 | 115 | 0.52 | 67 |
IV.RINC.EHZ. | 2023-10-28T03:39:23.08 | 0.1 | undecidable | manual | P | 182 | 19.9689 | 108 | 0.14 | 96 |
IV.SFI.EHZ. | 2023-10-28T03:39:23.71 | 0.1 | undecidable | manual | P | 134 | 25.6521 | 104 | -0.32 | 91 |
IV.BOSL.HHZ. | 2023-10-28T03:39:23.79 | 0.1 | undecidable | manual | P | 232 | 24.5532 | 105 | -0.02 | 98 |
IV.RUFI.EHZ. | 2023-10-28T03:39:23.99 | 0.3 | positive | manual | P | 199 | 26.751 | 104 | -0.25 | 69 |
IV.SEI.HHZ. | 2023-10-28T03:39:22.94 | 0.1 | positive | manual | P | 266 | 20.6682 | 108 | -0.12 | 96 |
IV.LMD.HHZ. | 2023-10-28T03:39:22.06 | 0.1 | undecidable | manual | S | 80 | 7.2927 | 132 | -0.06 | 100 |
IT.MOG.HNZ. | 2023-10-28T03:39:22.39 | 0.1 | undecidable | manual | P | 46 | 16.5723 | 111 | 0.1 | 97 |
IV.VISG.HHZ. | 2023-10-28T03:39:22.81 | 0.1 | undecidable | manual | P | 313 | 19.869 | 108 | -0.11 | 96 |
IV.VMGN.HHZ. | 2023-10-28T03:39:22.04 | 0.1 | positive | manual | P | 208 | 14.1747 | 115 | 0.2 | 96 |
IT.MRR.HGZ. | 2023-10-28T03:39:20.89 | 0.1 | undecidable | manual | S | 256 | 1.0989 | 170 | -0.13 | 99 |
IV.LMD.HHZ. | 2023-10-28T03:39:20.64 | 0.1 | undecidable | manual | P | 80 | 7.2927 | 132 | -0.05 | 100 |
IT.MRR.HGZ. | 2023-10-28T03:39:19.96 | 0.1 | undecidable | manual | P | 256 | 1.0989 | 170 | -0.09 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VMGN.HHE. | ML:1.0 | 0.00010575000000000001 | 0.4 | AML | other | m | 2023-10-28T03:39:24.77 |
IV.VMGN.HHN. | ML:1.1 | 0.00014000000000000001 | 0.4 | AML | other | m | 2023-10-28T03:39:24.98 |
IV.SEI.HHE. | ML:1.4 | 0.000193 | 0.28 | AML | other | m | 2023-10-28T03:39:26.46 |
IV.SEI.HHN. | ML:1.6 | 0.0002895 | 0.72 | AML | other | m | 2023-10-28T03:39:27.98 |
IV.MOCL.EHN. | ML:1.4 | 0.0000958 | 0.12 | AML | other | m | 2023-10-28T03:39:31.29 |
IV.MOCL.EHE. | ML:1.4 | 0.00010105 | 1.36 | AML | other | m | 2023-10-28T03:39:31.22 |