A magnitude ML 1.0 earthquake occured in region: 1 km E Marradi (FI), on
and geographic coordinates (lat, lon) 44.0730, 11.6270 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 |
---|---|---|---|---|
Marradi | FI | 1 | 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 |
San Godenzo | FI | 16 | 1167 | 8227 |
Modigliana | FC | 16 | 4560 | 12787 |
Casola Valsenio | RA | 17 | 2617 | 15404 |
Rocca San Casciano | FC | 17 | 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 1.0 | 2023-10-28 03:16:17 |
44.0728 | 11.627 | 9 | 2023-10-28 03:19:10 |
Sala Sismica INGV-Roma | 122488021 |
Field | Value |
---|---|
Time (UTC) | 2023-10-28 03:16:17 ± 0.09 |
Latitude | 44.0728 ± 0.0045 |
Longitude | 11.6270 ± 0.0050 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 122488021 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 453 |
Semi-minor axis of confidence ellipse (meter) | 395 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 128 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 450.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 180 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 11 |
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) | 0.32735 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.0 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 122488021 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-10-28 03:19:10 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.OFFI.HHZ. | 2023-10-28T03:17:09.78 | 3.0 | undecidable | manual | Sn | 0.03 | 0 | |||
GU.GSCL.HHZ. | 2023-10-28T03:16:43.93 | 3.0 | undecidable | manual | S | -2.31 | 0 | |||
IV.FNVD.HHZ. | 2023-10-28T03:16:35.21 | 1.0 | undecidable | manual | S | 1.9 | 0 | |||
IV.MOCL.EHZ. | 2023-10-28T03:16:30.08 | 0.1 | undecidable | manual | S | 258 | 36.3414 | 50 | 0.11 | 94 |
IV.RUFI.EHZ. | 2023-10-28T03:16:27.19 | 0.1 | undecidable | manual | S | 200 | 27.6501 | 107 | -0.11 | 96 |
IV.SEI.HHZ. | 2023-10-28T03:16:25.23 | 0.1 | undecidable | manual | S | 265 | 21.4674 | 112 | -0.05 | 98 |
IV.MOCL.EHZ. | 2023-10-28T03:16:24.39 | 0.6 | undecidable | manual | P | 258 | 36.3414 | 50 | -0.21 | 46 |
IV.VMGN.HHZ. | 2023-10-28T03:16:23.42 | 0.1 | undecidable | manual | S | 210 | 15.0738 | 119 | 0.14 | 97 |
IV.RUFI.EHZ. | 2023-10-28T03:16:22.84 | 0.3 | positive | manual | P | 200 | 27.6501 | 107 | -0.22 | 70 |
IV.SEI.HHZ. | 2023-10-28T03:16:21.83 | 0.1 | positive | manual | P | 265 | 21.4674 | 112 | -0.05 | 98 |
IV.LMD.HHZ. | 2023-10-28T03:16:20.89 | 0.1 | undecidable | manual | S | 85 | 6.3936 | 143 | -0.07 | 100 |
IV.VMGN.HHZ. | 2023-10-28T03:16:20.90 | 0.1 | positive | manual | P | 210 | 15.0738 | 119 | 0.17 | 97 |
IV.LMD.HHZ. | 2023-10-28T03:16:19.52 | 0.1 | undecidable | manual | P | 85 | 6.3936 | 143 | 0.13 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VMGN.HHE. | ML:1.0 | 0.0000969 | 1.26 | AML | other | m | 2023-10-28T03:16:23.82 |
IV.VMGN.HHN. | ML:1.0 | 0.00010035 | 0.44 | AML | other | m | 2023-10-28T03:16:30.82 |