A magnitude ML 1.2 earthquake occured in region: 2 km E Marradi (FI), on
and geographic coordinates (lat, lon) 44.0730, 11.6330 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 | 8 | 1154 | 4293 |
Tredozio | FC | 9 | 1212 | 5505 |
Portico e San Benedetto | FC | 13 | 756 | 6261 |
Premilcuore | FC | 16 | 799 | 7060 |
Modigliana | FC | 16 | 4560 | 11620 |
San Godenzo | FI | 16 | 1167 | 12787 |
Rocca San Casciano | FC | 17 | 1910 | 14697 |
Casola Valsenio | RA | 17 | 2617 | 17314 |
Castel del Rio | BO | 19 | 1246 | 18560 |
Brisighella | RA | 20 | 7639 | 26199 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2023-10-28 03:29:07 |
44.0728 | 11.6333 | 10 | 2023-10-28 03:33:31 |
Sala Sismica INGV-Roma | 122489041 |
Field | Value |
---|---|
Time (UTC) | 2023-10-28 03:29:07 ± 0.12 |
Latitude | 44.0728 ± 0.0045 |
Longitude | 11.6333 ± 0.0063 |
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 | 122489041 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 547 |
Semi-minor axis of confidence ellipse (meter) | 309 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 44 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 550.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 136 |
Number of associated phases, regardless of their use for origin computation | 19 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.23 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.37861 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.0 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 122489041 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-10-28 03:33:31 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.GSCL.HHZ. | 2023-10-28T03:29:37.61 | 3.0 | undecidable | manual | S | 0.13 | 0 | |||
IV.FIR.HHZ. | 2023-10-28T03:29:23.74 | 0.1 | undecidable | manual | S | 0.07 | 1.91 | |||
IV.MOCL.EHZ. | 2023-10-28T03:29:19.90 | 0.1 | undecidable | manual | S | 258 | 36.8298 | 50 | 0.31 | 91 |
IV.SFI.EHZ. | 2023-10-28T03:29:16.57 | 0.1 | undecidable | manual | S | 137 | 25.2525 | 111 | 0.17 | 95 |
IV.RUFI.EHZ. | 2023-10-28T03:29:16.83 | 0.1 | undecidable | manual | S | 201 | 27.8499 | 50 | -0.36 | 91 |
IV.SEI.HHZ. | 2023-10-28T03:29:15.06 | 0.1 | undecidable | manual | S | 265 | 21.9669 | 114 | -0.3 | 93 |
IV.RINC.EHZ. | 2023-10-28T03:29:15.29 | 0.1 | undecidable | manual | S | 186 | 20.7681 | 115 | 0.32 | 93 |
IV.FNVD.HHZ. | 2023-10-28T03:29:15.72 | 1.0 | undecidable | manual | P | 285 | 42.0246 | 50 | 0.66 | 20 |
IV.VISG.HHZ. | 2023-10-28T03:29:15.12 | 0.1 | undecidable | manual | S | 309 | 20.4684 | 116 | 0.26 | 94 |
IV.MOCL.EHZ. | 2023-10-28T03:29:14.12 | 1.0 | negative | manual | P | 258 | 36.8298 | 50 | -0.15 | 23 |
IV.VMGN.HHZ. | 2023-10-28T03:29:13.34 | 0.1 | undecidable | manual | S | 212 | 15.3735 | 122 | 0.01 | 100 |
IV.SFI.EHZ. | 2023-10-28T03:29:12.37 | 0.3 | negative | manual | P | 137 | 25.2525 | 111 | -0.06 | 73 |
IV.RUFI.EHZ. | 2023-10-28T03:29:12.55 | 1.0 | positive | manual | P | 201 | 27.8499 | 50 | -0.34 | 23 |
IV.VISG.HHZ. | 2023-10-28T03:29:11.53 | 0.6 | positive | manual | P | 309 | 20.4684 | 116 | -0.01 | 50 |
IV.SEI.HHZ. | 2023-10-28T03:29:11.57 | 0.1 | positive | manual | P | 265 | 21.9669 | 114 | -0.25 | 94 |
IV.RINC.EHZ. | 2023-10-28T03:29:11.73 | 1.0 | undecidable | manual | P | 186 | 20.7681 | 115 | 0.13 | 24 |
IV.VMGN.HHZ. | 2023-10-28T03:29:10.69 | 0.1 | positive | manual | P | 212 | 15.3735 | 122 | 0.04 | 100 |
IV.LMD.HHZ. | 2023-10-28T03:29:10.77 | 0.1 | undecidable | manual | S | 85 | 5.8941 | 149 | -0.19 | 98 |
IV.LMD.HHZ. | 2023-10-28T03:29:09.24 | 1.0 | undecidable | manual | P | 85 | 5.8941 | 149 | -0.05 | 25 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VMGN.HHE. | ML:1.2 | 0.00013350000000000002 | 0.34 | AML | other | m | 2023-10-28T03:29:13.41 |
IV.VMGN.HHN. | ML:1.2 | 0.000148 | 0.78 | AML | other | m | 2023-10-28T03:29:14.03 |