A magnitude ML 1.3 earthquake occured in region: 1 km SE Marradi (FI), on
and geographic coordinates (lat, lon) 44.0700, 11.6230 at 6 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 | 8 | 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 | 19 | 1246 | 18560 |
Vicchio | FI | 20 | 8044 | 26604 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.3 | 2023-10-28 02:53:45 |
44.0695 | 11.6227 | 7 | 2023-10-28 03:03:45 |
Sala Sismica INGV-Roma | 122486861 |
Field | Value |
---|---|
Time (UTC) | 2023-10-28 02:53:45 ± 0.16 |
Latitude | 44.0695 ± 0.0054 |
Longitude | 11.6227 ± 0.0063 |
Depth (km) | 7 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 122486861 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 584 |
Semi-minor axis of confidence ellipse (meter) | 328 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 171 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 580.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 130 |
Number of associated phases, regardless of their use for origin computation | 14 |
Number of defining phases | 14 |
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) | 0.01529 |
Epicentral distance of station farthest from the epicenter (degree) | 0.32376 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 122486861 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-10-28 03:03:45 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SEI.HHZ. | 2023-10-28T02:53:53.60 | 0.3 | undecidable | manual | S | 266 | 21.1677 | 107 | -0.01 | 73 |
IV.VISG.HHZ. | 2023-10-28T02:53:53.61 | 0.3 | undecidable | manual | S | 312 | 19.9689 | 108 | 0.37 | 68 |
IV.MOCL.EHZ. | 2023-10-28T02:53:52.79 | 0.6 | undecidable | manual | P | 259 | 35.9418 | 100 | -0.47 | 43 |
IV.RUFI.EHZ. | 2023-10-28T02:53:51.15 | 0.3 | undecidable | manual | P | 199 | 27.2505 | 103 | -0.4 | 67 |
IV.VMGN.HHZ. | 2023-10-28T02:53:51.96 | 0.3 | undecidable | manual | S | 209 | 14.6742 | 114 | 0.46 | 67 |
IV.BOSL.HHZ. | 2023-10-28T02:53:51.10 | 0.3 | undecidable | manual | P | 232 | 25.0527 | 105 | -0.03 | 72 |
IV.VISG.HHZ. | 2023-10-28T02:53:50.19 | 0.3 | undecidable | manual | P | 312 | 19.9689 | 108 | 0.04 | 73 |
IV.RINC.EHZ. | 2023-10-28T02:53:50.34 | 0.3 | undecidable | manual | P | 184 | 20.3685 | 108 | 0.12 | 72 |
IV.SEI.HHZ. | 2023-10-28T02:53:50.14 | 0.3 | undecidable | manual | P | 266 | 21.1677 | 107 | -0.23 | 70 |
IV.LMD.HHZ. | 2023-10-28T02:53:49.28 | 0.1 | undecidable | manual | S | 82 | 6.7932 | 134 | 0.07 | 99 |
IV.VMGN.HHZ. | 2023-10-28T02:53:49.32 | 0.1 | positive | manual | P | 209 | 14.6742 | 114 | 0.17 | 96 |
IT.MRR.HGE. | 2023-10-28T02:53:48.08 | 0.1 | undecidable | manual | S | 249 | 1.6983 | 166 | -0.19 | 97 |
IT.MRR.HGE. | 2023-10-28T02:53:47.21 | 0.1 | undecidable | manual | P | 249 | 1.6983 | 166 | -0.08 | 100 |
IV.LMD.HHZ. | 2023-10-28T02:53:47.84 | 0.1 | undecidable | manual | P | 82 | 6.7932 | 134 | 0.01 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LMD.HHE. | ML:1.7 | 0.000768 | 0.24 | AML | other | m | 2023-10-28T02:53:49.40 |
IV.LMD.HHN. | ML:1.8 | 0.0009925 | 0.24 | AML | other | m | 2023-10-28T02:53:49.41 |
IV.VMGN.HHE. | ML:1.3 | 0.000225 | 0.44 | AML | other | m | 2023-10-28T02:53:52.26 |
IV.VMGN.HHN. | ML:1.3 | 0.0002125 | 1.38 | AML | other | m | 2023-10-28T02:53:52.27 |
IV.VISG.HHE. | ML:1.0 | 0.000076 | 0.76 | AML | other | m | 2023-10-28T02:53:55.80 |
IV.RUFI.EHN. | ML:1.5 | 0.00016900000000000002 | 0.48 | AML | other | m | 2023-10-28T02:53:55.87 |
IV.VISG.HHN. | ML:1.0 | 0.0000858 | 1.62 | AML | other | m | 2023-10-28T02:53:55.91 |
IV.RUFI.EHE. | ML:1.0 | 0.00006114 | 0.56 | AML | other | m | 2023-10-28T02:53:58.18 |
IV.MOCL.EHN. | ML:1.7 | 0.000201 | 1.1 | AML | other | m | 2023-10-28T02:53:58.55 |
IV.MOCL.EHE. | ML:1.4 | 0.00011024999999999998 | 0.48 | AML | other | m | 2023-10-28T02:54:00.52 |