A magnitude ML 1.0 earthquake occured in region: 1 km S Marradi (FI), on
and geographic coordinates (lat, lon) 44.0690, 11.6160 at 11 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 | 7 | 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 | 17 | 2617 | 15404 |
Rocca San Casciano | FC | 18 | 1910 | 17314 |
Castel del Rio | BO | 18 | 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 1.0 | 2023-10-29 07:25:28 |
44.0693 | 11.6165 | 11 | 2023-10-29 07:29:20 |
Sala Sismica INGV-Roma | 122534361 |
Field | Value |
---|---|
Time (UTC) | 2023-10-29 07:25:28 ± 0.08 |
Latitude | 44.0693 ± 0.0045 |
Longitude | 11.6165 ± 0.0063 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 122534361 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 497 |
Semi-minor axis of confidence ellipse (meter) | 446 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 248 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 500.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 182 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.14 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.23382 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.5 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 122534361 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-10-29 07:29:20 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CAFI.HHZ. | 2023-10-29T07:25:55.27 | 3.0 | undecidable | manual | S | 0.05 | 0 | |||
IV.BDI.HHZ. | 2023-10-29T07:25:53.23 | 3.0 | undecidable | manual | S | -0.23 | 0 | |||
IV.TRIF.CHZ. | 2023-10-29T07:25:50.38 | 3.0 | negative | manual | P | 3.21 | 0 | |||
IV.BOSL.HHZ. | 2023-10-29T07:25:37.28 | 0.6 | undecidable | manual | S | 232 | 24.6531 | 50 | 0.09 | 49 |
IV.SFI.EHZ. | 2023-10-29T07:25:37.46 | 0.6 | undecidable | manual | S | 135 | 25.9518 | 50 | -0.06 | 49 |
IV.SEI.HHZ. | 2023-10-29T07:25:35.83 | 0.3 | undecidable | manual | S | 265 | 20.6682 | 117 | -0.24 | 72 |
IV.VISG.HHZ. | 2023-10-29T07:25:35.77 | 0.6 | undecidable | manual | S | 313 | 19.6692 | 118 | 0 | 50 |
IV.VMGN.HHZ. | 2023-10-29T07:25:34.32 | 0.6 | undecidable | manual | S | 208 | 14.3745 | 126 | 0.1 | 50 |
IV.SFI.EHZ. | 2023-10-29T07:25:33.39 | 0.1 | undecidable | manual | P | 135 | 25.9518 | 50 | -0.12 | 97 |
IV.BOSL.HHZ. | 2023-10-29T07:25:33.41 | 0.1 | undecidable | manual | P | 232 | 24.6531 | 50 | 0.09 | 98 |
IV.VISG.HHZ. | 2023-10-29T07:25:32.70 | 0.3 | undecidable | manual | P | 313 | 19.6692 | 118 | 0.2 | 73 |
IV.SEI.HHZ. | 2023-10-29T07:25:32.57 | 0.1 | positive | manual | P | 265 | 20.6682 | 117 | -0.1 | 99 |
IV.VMGN.HHZ. | 2023-10-29T07:25:31.69 | 0.1 | positive | manual | P | 208 | 14.3745 | 126 | 0.09 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VMGN.HHE. | ML:0.6 | 0.000037199999999999996 | 1.18 | AML | other | m | 2023-10-29T07:25:34.88 |
IV.VMGN.HHN. | ML:0.7 | 0.000050799999999999995 | 1.28 | AML | other | m | 2023-10-29T07:25:35.24 |
IV.VISG.HHN. | ML:0.9 | 0.0000665 | 0.14 | AML | other | m | 2023-10-29T07:25:36.05 |
IV.SEI.HHE. | ML:1.4 | 0.000182 | 0.26 | AML | other | m | 2023-10-29T07:25:36.11 |
IV.VISG.HHE. | ML:0.9 | 0.000059749999999999995 | 0.12 | AML | other | m | 2023-10-29T07:25:36.12 |
IV.SEI.HHN. | ML:1.5 | 0.000203 | 0.58 | AML | other | m | 2023-10-29T07:25:36.47 |
IV.BOSL.HHE. | ML:0.4 | 0.00001575 | 0.24 | AML | other | m | 2023-10-29T07:25:37.50 |
IV.SFI.EHE. | ML:1.1 | 0.0000751 | 0.22 | AML | other | m | 2023-10-29T07:25:37.90 |
IV.SFI.EHN. | ML:1.2 | 0.00007955 | 0.7 | AML | other | m | 2023-10-29T07:25:38.68 |
IV.BOSL.HHN. | ML:0.4 | 0.00001525 | 0.7 | AML | other | m | 2023-10-29T07:25:38.81 |
IV.CAFI.HNN. | ML:2.5 | 0.00040699999999999997 | 1.46 | AML | other | m | 2023-10-29T07:25:44.96 |
IV.CAFI.HNE. | ML:2.1 | 0.0001715 | 1.46 | AML | other | m | 2023-10-29T07:25:44.96 |