A magnitude ML 0.5 earthquake occured in region: 2 km SE 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 | 17 | 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 0.5 | 2023-09-29 12:16:13 |
44.0617 | 11.6203 | 6 | 2023-09-29 13:00:42 |
Sala Sismica INGV-Roma | 121584231 |
Field | Value |
---|---|
Time (UTC) | 2023-09-29 12:16:13 ± 0.1 |
Latitude | 44.0617 ± 0.0027 |
Longitude | 11.6203 ± 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 | 121584231 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 320 |
Semi-minor axis of confidence ellipse (meter) | 93 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 127 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 320.0 |
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 | 20 |
Number of defining phases | 20 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.19 |
Epicentral distance of station closest to the epicenter (degree) | 0.01259 |
Epicentral distance of station farthest from the epicenter (degree) | 0.23742 |
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 | 0.5 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 121584231 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-29 13:00:42 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RUFI.EHZ. | 2023-09-29T12:16:22.32 | 0.3 | undecidable | manual | S | 200 | 26.3514 | 103 | -0.07 | 71 |
IV.SFI.EHZ. | 2023-09-29T12:16:21.89 | 0.3 | undecidable | manual | S | 134 | 25.0527 | 104 | -0.08 | 71 |
IV.BOSL.HHZ. | 2023-09-29T12:16:21.83 | 0.6 | undecidable | manual | S | 234 | 24.4533 | 104 | 0.09 | 47 |
IV.RINC.EHZ. | 2023-09-29T12:16:20.29 | 0.3 | undecidable | manual | S | 183 | 19.4694 | 108 | 0.2 | 70 |
IV.VISG.HHZ. | 2023-09-29T12:16:20.51 | 0.3 | undecidable | manual | S | 314 | 20.4684 | 107 | 0.09 | 71 |
IV.SEI.HHZ. | 2023-09-29T12:16:20.41 | 0.6 | undecidable | manual | S | 268 | 20.868 | 106 | -0.15 | 47 |
IT.MOG.HNZ. | 2023-09-29T12:16:19.66 | 0.3 | undecidable | manual | S | 44 | 16.7721 | 110 | 0.46 | 67 |
IV.BOSL.HHZ. | 2023-09-29T12:16:18.06 | 0.3 | undecidable | manual | P | 234 | 24.4533 | 104 | 0.01 | 72 |
IV.VMGN.HHZ. | 2023-09-29T12:16:18.62 | 0.3 | undecidable | manual | S | 210 | 13.7751 | 114 | 0.38 | 68 |
IV.RUFI.EHZ. | 2023-09-29T12:16:18.20 | 0.1 | undecidable | manual | P | 200 | 26.3514 | 103 | -0.22 | 92 |
IV.SEI.HHZ. | 2023-09-29T12:16:17.24 | 0.3 | undecidable | manual | P | 268 | 20.868 | 106 | -0.12 | 71 |
IV.SFI.EHZ. | 2023-09-29T12:16:17.78 | 0.3 | undecidable | manual | P | 134 | 25.0527 | 104 | -0.4 | 67 |
IV.RINC.EHZ. | 2023-09-29T12:16:17.14 | 0.1 | undecidable | manual | P | 183 | 19.4694 | 108 | 0.05 | 96 |
IV.VISG.HHZ. | 2023-09-29T12:16:17.11 | 0.1 | undecidable | manual | P | 314 | 20.4684 | 107 | -0.17 | 94 |
IV.LMD.HHZ. | 2023-09-29T12:16:16.16 | 0.3 | undecidable | manual | S | 76 | 7.1928 | 131 | -0.12 | 73 |
IT.MOG.HNZ. | 2023-09-29T12:16:16.70 | 0.3 | undecidable | manual | P | 44 | 16.7721 | 110 | 0.12 | 72 |
IV.VMGN.HHZ. | 2023-09-29T12:16:16.27 | 0.1 | undecidable | manual | P | 210 | 13.7751 | 114 | 0.24 | 94 |
IT.MRR.HGZ. | 2023-09-29T12:16:15.06 | 0.1 | undecidable | manual | S | 281 | 1.3986 | 167 | -0.14 | 98 |
IV.LMD.HHZ. | 2023-09-29T12:16:14.85 | 0.1 | undecidable | manual | P | 76 | 7.1928 | 131 | -0.04 | 99 |
IT.MRR.HGZ. | 2023-09-29T12:16:14.25 | 0.1 | undecidable | manual | P | 281 | 1.3986 | 167 | -0.02 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LMD.HHE. | ML:0.0 | 0.000098069415 | 0.1152 | AML | other | m | 2023-09-29T12:16:16.36 |
IV.VMGN.HHE. | ML:0.4 | 0.000032020865 | 0.0832 | AML | other | m | 2023-09-29T12:16:19.18 |
IV.VMGN.HHN. | ML:0.4 | 0.000027677955000000002 | 0.0832 | AML | other | m | 2023-09-29T12:16:19.21 |
IV.VISG.HHE. | ML:0.3 | 0.00001747501 | 0.0576 | AML | other | m | 2023-09-29T12:16:21.16 |
IV.VISG.HHN. | ML:0.6 | 0.000027851019999999996 | 0.1216 | AML | other | m | 2023-09-29T12:16:20.91 |
IV.SFI.EHE. | ML:0.8 | 0.00003907866 | 0.16 | AML | other | m | 2023-09-29T12:16:22.00 |
IV.SFI.EHN. | ML:0.8 | 0.000033860010000000005 | 0.1856 | AML | other | m | 2023-09-29T12:16:22.04 |