A magnitude ML 1.1 earthquake occured in region: 2 km W Marradi (FI), on
and geographic coordinates (lat, lon) 44.0710, 11.5960 at 10 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 | 6 | 1154 | 4293 |
Tredozio | FC | 12 | 1212 | 5505 |
Portico e San Benedetto | FC | 16 | 756 | 6261 |
San Godenzo | FI | 16 | 1167 | 7428 |
Casola Valsenio | RA | 17 | 2617 | 10045 |
Castel del Rio | BO | 18 | 1246 | 11291 |
Premilcuore | FC | 18 | 799 | 12090 |
Firenzuola | FI | 18 | 4726 | 16816 |
Vicchio | FI | 18 | 8044 | 24860 |
Modigliana | FC | 19 | 4560 | 29420 |
Rocca San Casciano | FC | 20 | 1910 | 31330 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2023-10-29 06:28:00 |
44.0708 | 11.5962 | 10 | 2023-10-29 06:40:14 |
Sala Sismica INGV-Roma | 122533611 |
Field | Value |
---|---|
Time (UTC) | 2023-10-29 06:28:00 ± 0.12 |
Latitude | 44.0708 ± 0.0045 |
Longitude | 11.5962 ± 0.0113 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 122533611 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 943 |
Semi-minor axis of confidence ellipse (meter) | 441 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 259 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 940.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 194 |
Number of associated phases, regardless of their use for origin computation | 10 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.15 |
Epicentral distance of station closest to the epicenter (degree) | 0.12501 |
Epicentral distance of station farthest from the epicenter (degree) | 0.51981 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.4 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 122533611 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-10-29 06:40:14 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CRE.HHZ. | 2023-10-29T06:28:19.23 | 0.3 | undecidable | manual | S | 150 | 57.6978 | 50 | 0.2 | 89 |
IV.CRE.HHZ. | 2023-10-29T06:28:11.01 | 0.6 | undecidable | manual | P | 150 | 57.6978 | 50 | -0.38 | 57 |
IV.BOSL.HHZ. | 2023-10-29T06:28:09.88 | 0.6 | undecidable | manual | S | 229 | 23.5542 | 113 | 0.07 | 65 |
IV.SEI.HHZ. | 2023-10-29T06:28:08.37 | 0.3 | undecidable | manual | S | 265 | 19.0698 | 118 | -0.03 | 99 |
IV.VISG.HHZ. | 2023-10-29T06:28:08.34 | 0.6 | undecidable | manual | S | 316 | 18.3705 | 118 | 0.15 | 64 |
IV.VMGN.HHZ. | 2023-10-29T06:28:06.88 | 0.3 | undecidable | manual | S | 201 | 13.875 | 126 | 0.01 | 100 |
IV.BOSL.HHZ. | 2023-10-29T06:28:06.13 | 0.6 | positive | manual | P | 229 | 23.5542 | 113 | 0.07 | 65 |
IV.VISG.HHZ. | 2023-10-29T06:28:05.18 | 0.6 | positive | manual | P | 316 | 18.3705 | 118 | 0.05 | 66 |
IV.SEI.HHZ. | 2023-10-29T06:28:05.00 | 0.6 | negative | manual | P | 265 | 19.0698 | 118 | -0.24 | 63 |
IV.VMGN.HHZ. | 2023-10-29T06:28:04.35 | 0.6 | undecidable | manual | P | 201 | 13.875 | 126 | -0.01 | 67 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VMGN.HHE. | ML:0.7 | 0.000054900000000000006 | 0.5 | AML | other | m | 2023-10-29T06:28:07.35 |
IV.VMGN.HHN. | ML:0.9 | 0.000084 | 0.6 | AML | other | m | 2023-10-29T06:28:07.63 |
IV.VISG.HHN. | ML:1.1 | 0.00009735 | 0.32 | AML | other | m | 2023-10-29T06:28:08.73 |
IV.SEI.HHE. | ML:1.6 | 0.0002795 | 0.26 | AML | other | m | 2023-10-29T06:28:08.79 |
IV.VISG.HHE. | ML:1.0 | 0.00008155 | 0.12 | AML | other | m | 2023-10-29T06:28:08.80 |
IV.SEI.HHN. | ML:1.6 | 0.00032250000000000003 | 1.42 | AML | other | m | 2023-10-29T06:28:09.15 |
IV.BOSL.HHN. | ML:0.5 | 0.000020900000000000003 | 1.02 | AML | other | m | 2023-10-29T06:28:10.07 |
IV.BOSL.HHE. | ML:0.5 | 0.000021649999999999998 | 0.98 | AML | other | m | 2023-10-29T06:28:12.10 |
IV.CRE.HHN. | ML:1.7 | 0.00010240000000000001 | 0.26 | AML | other | m | 2023-10-29T06:28:19.71 |
IV.CRE.HHE. | ML:1.4 | 0.00004895 | 0.66 | AML | other | m | 2023-10-29T06:28:19.43 |