A magnitude ML 1.3 earthquake occured in region: 2 km S Marradi (FI), on
and geographic coordinates (lat, lon) 44.0620, 11.6130 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 | 2 | 3139 | 3139 |
Palazzuolo sul Senio | FI | 8 | 1154 | 4293 |
Tredozio | FC | 11 | 1212 | 5505 |
Portico e San Benedetto | FC | 14 | 756 | 6261 |
San Godenzo | FI | 15 | 1167 | 7428 |
Premilcuore | FC | 16 | 799 | 8227 |
Modigliana | FC | 18 | 4560 | 12787 |
Casola Valsenio | RA | 18 | 2617 | 15404 |
Vicchio | FI | 18 | 8044 | 23448 |
Rocca San Casciano | FC | 18 | 1910 | 25358 |
Castel del Rio | BO | 19 | 1246 | 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 03:36:08 |
44.0625 | 11.6132 | 6 | 2023-10-28 03:42:40 |
Sala Sismica INGV-Roma | 122489981 |
Field | Value |
---|---|
Time (UTC) | 2023-10-28 03:36:08 ± 0.11 |
Latitude | 44.0625 ± 0.0036 |
Longitude | 11.6132 ± 0.0050 |
Depth (km) | 6 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 122489981 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 438 |
Semi-minor axis of confidence ellipse (meter) | 141 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 314 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 440.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 103 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.23 |
Epicentral distance of station closest to the epicenter (degree) | 0.00719 |
Epicentral distance of station farthest from the epicenter (degree) | 0.31566 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 122489981 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-10-28 03:42:40 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RUFI.EHZ. | 2023-10-28T03:36:17.59 | 0.3 | undecidable | manual | S | 198 | 26.2515 | 102 | -0.15 | 71 |
IT.MOG.HNZ. | 2023-10-28T03:36:15.12 | 0.1 | undecidable | manual | S | 46 | 17.0718 | 108 | 0.45 | 90 |
IV.MOCL.EHZ. | 2023-10-28T03:36:15.06 | 0.6 | undecidable | manual | P | 260 | 35.0427 | 99 | -0.49 | 43 |
IV.SEI.HHZ. | 2023-10-28T03:36:15.88 | 0.3 | undecidable | manual | S | 268 | 20.2686 | 105 | 0.14 | 72 |
IV.RINC.EHZ. | 2023-10-28T03:36:15.60 | 0.3 | undecidable | manual | S | 181 | 19.5693 | 106 | 0.12 | 72 |
IV.VISG.HHZ. | 2023-10-28T03:36:15.77 | 0.3 | undecidable | manual | S | 315 | 19.9689 | 105 | 0.14 | 72 |
IV.VMGN.HHZ. | 2023-10-28T03:36:14.10 | 0.3 | undecidable | manual | S | 208 | 13.5753 | 112 | 0.58 | 65 |
IV.RUFI.EHZ. | 2023-10-28T03:36:13.53 | 0.1 | positive | manual | P | 198 | 26.2515 | 102 | -0.28 | 92 |
IV.BOSL.HHZ. | 2023-10-28T03:36:13.34 | 0.1 | undecidable | manual | P | 233 | 23.9538 | 103 | -0.03 | 97 |
IV.SEI.HHZ. | 2023-10-28T03:36:12.51 | 0.1 | positive | manual | P | 268 | 20.2686 | 105 | -0.14 | 96 |
IV.RINC.EHZ. | 2023-10-28T03:36:12.60 | 0.6 | negative | manual | P | 181 | 19.5693 | 106 | 0.1 | 48 |
IV.VISG.HHZ. | 2023-10-28T03:36:12.53 | 0.1 | undecidable | manual | P | 315 | 19.9689 | 105 | -0.06 | 97 |
IV.LMD.HHZ. | 2023-10-28T03:36:11.55 | 0.1 | undecidable | manual | S | 78 | 7.6812 | 126 | -0.16 | 97 |
IT.MOG.HNZ. | 2023-10-28T03:36:11.99 | 0.1 | undecidable | manual | P | 46 | 17.0718 | 108 | -0.05 | 98 |
IV.VMGN.HHZ. | 2023-10-28T03:36:11.59 | 0.1 | positive | manual | P | 208 | 13.5753 | 112 | 0.22 | 95 |
IV.LMD.HHZ. | 2023-10-28T03:36:10.13 | 0.3 | undecidable | manual | P | 78 | 7.6812 | 126 | -0.2 | 72 |
IT.MRR.HGZ. | 2023-10-28T03:36:10.27 | 0.1 | undecidable | manual | S | 283 | 0.7992 | 172 | -0.09 | 100 |
IT.MRR.HGZ. | 2023-10-28T03:36:09.46 | 0.1 | undecidable | manual | P | 283 | 0.7992 | 172 | -0.09 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VMGN.HHE. | ML:1.3 | 0.0002385 | 0.44 | AML | other | m | 2023-10-28T03:36:14.52 |
IV.VMGN.HHN. | ML:1.2 | 0.000185 | 0.44 | AML | other | m | 2023-10-28T03:36:14.53 |
IV.RINC.EHN. | ML:1.4 | 0.0002205 | 0.84 | AML | other | m | 2023-10-28T03:36:16.40 |
IV.RINC.EHE. | ML:1.5 | 0.000238493465 | 0.16 | AML | other | m | 2023-10-28T03:36:16.58 |
IV.BOSL.HHE. | ML:0.9 | 0.0000505 | 1.24 | AML | other | m | 2023-10-28T03:36:17.79 |
IV.BOSL.HHN. | ML:1.0 | 0.0000667 | 1.18 | AML | other | m | 2023-10-28T03:36:17.83 |
IV.MOCL.EHN. | ML:1.6 | 0.00017449999999999999 | 1.1 | AML | other | m | 2023-10-28T03:36:20.25 |
IV.MOCL.EHE. | ML:1.5 | 0.000121 | 0.72 | AML | other | m | 2023-10-28T03:36:21.46 |