A magnitude ML 1.0 earthquake occured in region: 6 km SW Tredozio (FC), on
and geographic coordinates (lat, lon) 44.0440, 11.6890 at 8 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 |
---|---|---|---|---|
Tredozio | FC | 6 | 1212 | 1212 |
Marradi | FI | 7 | 3139 | 4351 |
Portico e San Benedetto | FC | 8 | 756 | 5107 |
Premilcuore | FC | 10 | 799 | 5906 |
Rocca San Casciano | FC | 13 | 1910 | 7816 |
Palazzuolo sul Senio | FI | 14 | 1154 | 8970 |
San Godenzo | FI | 14 | 1167 | 10137 |
Modigliana | FC | 15 | 4560 | 14697 |
Dovadola | FC | 18 | 1653 | 16350 |
Galeata | FC | 19 | 2516 | 18866 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2023-09-21 08:20:59 |
44.0437 | 11.6892 | 8 | 2023-09-21 08:28:38 |
Sala Sismica INGV-Roma | 121304831 |
Field | Value |
---|---|
Time (UTC) | 2023-09-21 08:20:59 ± 0.1 |
Latitude | 44.0437 ± 0.0027 |
Longitude | 11.6892 ± 0.0038 |
Depth (km) | 8 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 121304831 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 290 |
Semi-minor axis of confidence ellipse (meter) | 84 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 293 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 290.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 117 |
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) | 0.13 |
Epicentral distance of station closest to the epicenter (degree) | 0.03597 |
Epicentral distance of station farthest from the epicenter (degree) | 0.25271 |
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 | 1.0 |
Uncertainty | 0.3 |
Num. used stations | 16 |
Type of magnitude | ML |
Reference to an origin | 121304831 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-21 08:28:38 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.BOSL.HHZ. | 2023-09-21T08:21:09.88 | 0.6 | undecidable | manual | S | 244 | 28.0497 | 106 | 0.01 | 49 |
IV.SEI.HHZ. | 2023-09-21T08:21:09.17 | 0.6 | undecidable | manual | S | 273 | 26.3514 | 107 | -0.14 | 47 |
IV.RUFI.EHZ. | 2023-09-21T08:21:09.46 | 0.6 | undecidable | manual | S | 212 | 26.9508 | 106 | -0.04 | 48 |
IV.VISG.HHZ. | 2023-09-21T08:21:09.20 | 0.6 | undecidable | manual | S | 309 | 25.9518 | 107 | 0.04 | 48 |
IV.SFI.EHZ. | 2023-09-21T08:21:07.12 | 0.6 | undecidable | manual | S | 141 | 19.869 | 112 | -0.07 | 49 |
IV.VMGN.HHZ. | 2023-09-21T08:21:06.25 | 0.6 | undecidable | manual | S | 232 | 15.9729 | 117 | 0.32 | 46 |
IT.MOG.HNZ. | 2023-09-21T08:21:06.00 | 0.6 | undecidable | manual | S | 24 | 15.3735 | 117 | 0.25 | 47 |
IV.RINC.EHZ. | 2023-09-21T08:21:06.86 | 0.6 | undecidable | manual | S | 201 | 18.6702 | 113 | 0.08 | 49 |
IV.RUFI.EHZ. | 2023-09-21T08:21:05.14 | 1.0 | undecidable | manual | P | 212 | 26.9508 | 106 | -0.24 | 23 |
IV.VISG.HHZ. | 2023-09-21T08:21:05.23 | 0.6 | undecidable | manual | P | 309 | 25.9518 | 107 | 0.05 | 48 |
IV.BOSL.HHZ. | 2023-09-21T08:21:05.50 | 0.3 | positive | manual | P | 244 | 28.0497 | 106 | -0.1 | 71 |
IV.SEI.HHZ. | 2023-09-21T08:21:05.00 | 0.1 | positive | manual | P | 273 | 26.3514 | 107 | -0.27 | 92 |
IV.VMGN.HHZ. | 2023-09-21T08:21:03.52 | 0.1 | positive | manual | P | 232 | 15.9729 | 117 | 0.2 | 95 |
IT.MOG.HNZ. | 2023-09-21T08:21:03.32 | 0.1 | undecidable | manual | P | 24 | 15.3735 | 117 | 0.1 | 97 |
IV.RINC.EHZ. | 2023-09-21T08:21:03.88 | 0.3 | positive | manual | P | 201 | 18.6702 | 113 | 0.07 | 73 |
IT.MRR.HGZ. | 2023-09-21T08:21:03.52 | 0.6 | undecidable | manual | S | 288 | 7.1928 | 138 | 0.04 | 50 |
IV.SFI.EHZ. | 2023-09-21T08:21:03.95 | 0.3 | positive | manual | P | 141 | 19.869 | 112 | -0.1 | 72 |
IV.LMD.HHZ. | 2023-09-21T08:21:02.53 | 0.6 | undecidable | manual | S | 21 | 3.996 | 153 | -0.32 | 47 |
IV.LMD.HHZ. | 2023-09-21T08:21:01.42 | 1.0 | undecidable | manual | P | 21 | 3.996 | 153 | -0.12 | 25 |
IT.MRR.HGZ. | 2023-09-21T08:21:01.94 | 0.1 | undecidable | manual | P | 288 | 7.1928 | 138 | 0.04 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VMGN.HHE. | ML:0.9 | 0.0000866 | 0.08 | AML | other | m | 2023-09-21T08:21:06.53 |
IV.VMGN.HHN. | ML:1.1 | 0.00012770000000000001 | 0.1 | AML | other | m | 2023-09-21T08:21:06.56 |
IV.RINC.EHE. | ML:1.0 | 0.00009132954999999998 | 0.3008 | AML | other | m | 2023-09-21T08:21:07.63 |
IV.SFI.EHN. | ML:1.0 | 0.00008142869999999999 | 0.2176 | AML | other | m | 2023-09-21T08:21:07.24 |
IV.RINC.EHN. | ML:0.9 | 0.0000700745 | 0.384 | AML | other | m | 2023-09-21T08:21:08.68 |
IV.SFI.EHE. | ML:0.9 | 0.0000668 | 1.9 | AML | other | m | 2023-09-21T08:21:07.98 |
IV.SEI.HHN. | ML:0.0 | 0.00024055860000000002 | 0.2816 | AML | other | m | 2023-09-21T08:21:10.83 |
IV.SEI.HHE. | ML:0.0 | 0.00012996205 | 0.3456 | AML | other | m | 2023-09-21T08:21:09.92 |
IV.BOSL.HHN. | ML:0.0 | 0.000013283859499999997 | 0.096 | AML | other | m | 2023-09-21T08:21:10.26 |
IV.BOSL.HHE. | ML:0.0 | 0.000012459325 | 0.3008 | AML | other | m | 2023-09-21T08:21:11.75 |
IV.LMD.HHE. | ML:0.0 | 0.0048727125 | 0.1408 | AML | other | m | 2023-09-21T08:21:02.62 |
IV.LMD.HHN. | ML:0.0 | 0.0038048034999999996 | 0.1216 | AML | other | m | 2023-09-21T08:21:02.70 |
IV.SFI.HNE. | ML:1.2 | 0.000116336875 | 0.7616 | AML | other | m | 2023-09-21T08:21:07.59 |
IV.SFI.HNN. | ML:1.2 | 0.0001100818 | 0.7488 | AML | other | m | 2023-09-21T08:21:07.61 |
IV.RUFI.EHE. | ML:0.4 | 0.000014645174999999997 | 0.1984 | AML | other | m | 2023-09-21T08:21:10.02 |
IV.RUFI.EHN. | ML:1.1 | 0.00007081317000000001 | 0.256 | AML | other | m | 2023-09-21T08:21:09.69 |
IV.VISG.HHE. | ML:0.4 | 0.000017142355 | 0.0832 | AML | other | m | 2023-09-21T08:21:10.87 |
IV.VISG.HHN. | ML:0.7 | 0.00002804692 | 0.0768 | AML | other | m | 2023-09-21T08:21:10.55 |