A magnitude ML 1.1 earthquake occured in region: 2 km S Marradi (FI), on
and geographic coordinates (lat, lon) 44.0620, 11.6200 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 | 10 | 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 |
Rocca San Casciano | FC | 18 | 1910 | 14697 |
Casola Valsenio | RA | 18 | 2617 | 17314 |
Vicchio | FI | 19 | 8044 | 25358 |
Castel del Rio | BO | 19 | 1246 | 26604 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2023-10-28 04:45:45 |
44.0618 | 11.6197 | 6 | 2023-10-28 05:02:15 |
Sala Sismica INGV-Roma | 122494521 |
Field | Value |
---|---|
Time (UTC) | 2023-10-28 04:45:45 ± 0.1 |
Latitude | 44.0618 ± 0.0036 |
Longitude | 11.6197 ± 0.0038 |
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 | 122494521 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 378 |
Semi-minor axis of confidence ellipse (meter) | 117 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 147 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 380.0 |
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 | 19 |
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) | 0.23742 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 122494521 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-10-28 05:02:15 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RUFI.EHZ. | 2023-10-28T04:45:54.33 | 0.3 | undecidable | manual | S | 200 | 26.3514 | 103 | -0.09 | 72 |
IV.SFI.EHZ. | 2023-10-28T04:45:53.97 | 0.3 | undecidable | manual | S | 134 | 25.1526 | 103 | -0.05 | 72 |
IV.SEI.HHZ. | 2023-10-28T04:45:52.55 | 0.3 | undecidable | manual | S | 268 | 20.868 | 106 | -0.01 | 73 |
IV.VISG.HHZ. | 2023-10-28T04:45:52.49 | 0.3 | undecidable | manual | S | 314 | 20.3685 | 106 | 0.07 | 73 |
IT.MOG.HNZ. | 2023-10-28T04:45:51.61 | 0.1 | undecidable | manual | S | 44 | 16.7721 | 109 | 0.38 | 91 |
IV.MOCL.EHZ. | 2023-10-28T04:45:51.76 | 3.0 | undecidable | manual | P | 0.07 | 0 | |||
IV.VMGN.HHZ. | 2023-10-28T04:45:50.80 | 0.3 | undecidable | manual | S | 210 | 13.7751 | 113 | 0.55 | 66 |
IV.SFI.EHZ. | 2023-10-28T04:45:50.00 | 0.3 | undecidable | manual | P | 134 | 25.1526 | 103 | -0.23 | 70 |
IV.RUFI.EHZ. | 2023-10-28T04:45:50.19 | 0.1 | undecidable | manual | P | 200 | 26.3514 | 103 | -0.27 | 92 |
IV.BOSL.HHZ. | 2023-10-28T04:45:50.11 | 0.3 | undecidable | manual | P | 234 | 24.3534 | 103 | 0.03 | 73 |
IV.VISG.HHZ. | 2023-10-28T04:45:49.22 | 0.6 | undecidable | manual | P | 314 | 20.3685 | 106 | -0.09 | 48 |
IV.RINC.EHZ. | 2023-10-28T04:45:49.51 | 0.3 | undecidable | manual | P | 183 | 19.4694 | 107 | 0.38 | 68 |
IV.SEI.HHZ. | 2023-10-28T04:45:49.18 | 0.1 | positive | manual | P | 268 | 20.868 | 106 | -0.21 | 94 |
IV.LMD.HHZ. | 2023-10-28T04:45:48.20 | 0.1 | undecidable | manual | S | 76 | 7.1928 | 129 | -0.08 | 99 |
IT.MOG.HNZ. | 2023-10-28T04:45:48.61 | 0.1 | undecidable | manual | P | 44 | 16.7721 | 109 | -0.01 | 98 |
IV.VMGN.HHZ. | 2023-10-28T04:45:48.23 | 0.3 | positive | manual | P | 210 | 13.7751 | 113 | 0.17 | 72 |
IT.MRR.HGZ. | 2023-10-28T04:45:47.07 | 0.1 | undecidable | manual | S | 281 | 1.2987 | 167 | -0.07 | 100 |
IV.LMD.HHZ. | 2023-10-28T04:45:46.78 | 0.1 | undecidable | manual | P | 76 | 7.1928 | 129 | -0.14 | 98 |
IT.MRR.HGZ. | 2023-10-28T04:45:46.14 | 0.1 | undecidable | manual | P | 281 | 1.2987 | 167 | -0.12 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VMGN.HHE. | ML:1.1 | 0.000152 | 1.62 | AML | other | m | 2023-10-28T04:45:51.18 |
IV.VMGN.HHN. | ML:1.2 | 0.0001705 | 0.38 | AML | other | m | 2023-10-28T04:45:51.19 |
IV.SFI.EHE. | ML:1.2 | 0.00009305 | 1.26 | AML | other | m | 2023-10-28T04:45:54.01 |
IV.SFI.EHN. | ML:1.2 | 0.00010735000000000001 | 0.54 | AML | other | m | 2023-10-28T04:45:54.08 |
IV.RUFI.EHN. | ML:1.3 | 0.0001172 | 0.5 | AML | other | m | 2023-10-28T04:45:54.78 |
IV.RUFI.EHE. | ML:0.8 | 0.000040945 | 0.68 | AML | other | m | 2023-10-28T04:45:55.92 |