A magnitude ML 1.2 earthquake occured in region: 4 km W Premilcuore (FC), on
and geographic coordinates (lat, lon) 43.9850, 11.7240 at 9 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 |
---|---|---|---|---|
Premilcuore | FC | 4 | 799 | 799 |
Portico e San Benedetto | FC | 7 | 756 | 1555 |
San Godenzo | FI | 11 | 1167 | 2722 |
Tredozio | FC | 11 | 1212 | 3934 |
Rocca San Casciano | FC | 13 | 1910 | 5844 |
Marradi | FI | 13 | 3139 | 8983 |
Galeata | FC | 15 | 2516 | 11499 |
Santa Sofia | FC | 15 | 4136 | 15635 |
Civitella di Romagna | FC | 17 | 3786 | 19421 |
Londa | FI | 19 | 1840 | 21261 |
Dicomano | FI | 19 | 5515 | 26776 |
Modigliana | FC | 20 | 4560 | 31336 |
Palazzuolo sul Senio | FI | 20 | 1154 | 32490 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2023-10-29 23:40:41 |
43.9853 | 11.7243 | 9 | 2023-10-29 23:50:54 |
Sala Sismica INGV-Roma | 122560731 |
Field | Value |
---|---|
Time (UTC) | 2023-10-29 23:40:41 ± 0.05 |
Latitude | 43.9853 ± 0.0027 |
Longitude | 11.7243 ± 0.0037 |
Depth (km) | 9 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 122560731 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 314 |
Semi-minor axis of confidence ellipse (meter) | 253 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 162 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 310.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 133 |
Number of associated phases, regardless of their use for origin computation | 22 |
Number of defining phases | 16 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.16 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.29138 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.3 |
Num. used stations | 9 |
Type of magnitude | ML |
Reference to an origin | 122560731 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-10-29 23:50:54 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MML1.EHZ. | 2023-10-29T23:41:22.14 | 3.0 | undecidable | manual | S | -0.19 | 0 | |||
IV.RIBO.EHZ.01 | 2023-10-29T23:41:19.35 | 3.0 | undecidable | manual | S | -3.14 | 0 | |||
IV.VISG.HHZ. | 2023-10-29T23:40:53.41 | 0.1 | undecidable | manual | S | 314 | 32.3454 | 50 | 0.24 | 93 |
IV.FIR.HHZ. | 2023-10-29T23:40:53.95 | 3.0 | undecidable | manual | S | 0 | ||||
IT.MCS.HGN. | 2023-10-29T23:40:52.74 | 0.1 | undecidable | manual | S | 88 | 30.5472 | 50 | 0.05 | 97 |
IV.BOSL.HHZ. | 2023-10-29T23:40:52.11 | 0.1 | undecidable | manual | S | 258 | 28.5492 | 108 | 0.04 | 97 |
IV.SEI.HHZ. | 2023-10-29T23:40:52.57 | 0.1 | undecidable | manual | S | 285 | 30.1476 | 50 | -0.02 | 97 |
IV.FIR.HHZ. | 2023-10-29T23:40:51.19 | 3.0 | positive | manual | P | 0.29 | 0 | |||
IV.RUFI.EHZ. | 2023-10-29T23:40:50.57 | 0.1 | undecidable | manual | S | 226 | 23.6541 | 111 | 0.1 | 97 |
IT.MOG.HNE. | 2023-10-29T23:40:49.47 | 0.1 | undecidable | manual | S | 9 | 20.7681 | 114 | -0.07 | 98 |
IV.CRE.HHZ. | 2023-10-29T23:40:49.62 | 3.0 | undecidable | manual | P | 0.46 | 0 | |||
IV.VMGN.HHZ. | 2023-10-29T23:40:48.11 | 0.1 | undecidable | manual | S | 257 | 15.6732 | 120 | 0.16 | 97 |
IV.VISG.HHZ. | 2023-10-29T23:40:48.02 | 0.6 | undecidable | manual | P | 314 | 32.3454 | 50 | -0.28 | 46 |
IT.MCS.HGN. | 2023-10-29T23:40:48.19 | 0.3 | undecidable | manual | P | 88 | 30.5472 | 50 | 0.16 | 71 |
IV.RINC.EHN. | 2023-10-29T23:40:47.55 | 0.3 | undecidable | manual | S | 221 | 14.4744 | 122 | -0.04 | 75 |
IV.SEI.HHZ. | 2023-10-29T23:40:47.57 | 0.3 | positive | manual | P | 285 | 30.1476 | 50 | -0.4 | 67 |
IV.BOSL.HHZ. | 2023-10-29T23:40:47.53 | 0.6 | positive | manual | P | 258 | 28.5492 | 108 | -0.14 | 48 |
IV.RUFI.EHZ. | 2023-10-29T23:40:46.58 | 0.1 | positive | manual | P | 226 | 23.6541 | 111 | -0.17 | 95 |
IT.MOG.HNE. | 2023-10-29T23:40:46.26 | 0.1 | undecidable | manual | P | 9 | 20.7681 | 114 | 0.05 | 98 |
IV.MRR.HGZ. | 2023-10-29T23:40:46.04 | 3.0 | undecidable | manual | P | 0 | ||||
IV.VMGN.HHZ. | 2023-10-29T23:40:45.37 | 0.1 | positive | manual | P | 257 | 15.6732 | 120 | 0.07 | 99 |
IV.RINC.EHN. | 2023-10-29T23:40:45.06 | 0.1 | undecidable | manual | P | 221 | 14.4744 | 122 | -0.02 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VMGN.HHE. | ML:0.8 | 0.00005641450000000001 | 0.1152 | AML | other | m | 2023-10-29T23:40:49.27 |
IV.VMGN.HHN. | ML:0.8 | 0.00005325 | 0.16 | AML | other | m | 2023-10-29T23:40:48.44 |
IV.SEI.HHE. | ML:1.3 | 0.0001033 | 0.16 | AML | other | m | 2023-10-29T23:40:53.08 |
IV.SEI.HHN. | ML:1.6 | 0.0001825 | 0.22 | AML | other | m | 2023-10-29T23:40:53.19 |
IV.RUFI.EHN. | ML:1.0 | 0.0000650718525 | 0.2816 | AML | other | m | 2023-10-29T23:40:50.77 |
IV.CRE.HHE. | ML:1.1 | 0.000034731735 | 0.256 | AML | other | m | 2023-10-29T23:40:56.74 |
IV.CRE.HHN. | ML:1.3 | 0.000054458085 | 0.3456 | AML | other | m | 2023-10-29T23:40:57.07 |
IV.FIR.HHE. | ML:1.5 | 0.000099252105 | 0.0768 | AML | other | m | 2023-10-29T23:40:56.08 |
IV.FIR.HHN. | ML:1.4 | 0.00008742622999999999 | 0.1408 | AML | other | m | 2023-10-29T23:40:55.15 |