A magnitude ML 1.3 earthquake occured in region: 2 km E Marradi (FI), on
and geographic coordinates (lat, lon) 44.0720, 11.6320 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 1.3 | 2023-10-28 03:29:56 |
44.0717 | 11.632 | 10 | 2023-10-28 03:35:05 |
Sala Sismica INGV-Roma | 122489161 |
Field | Value |
---|---|
Time (UTC) | 2023-10-28 03:29:56 ± 0.14 |
Latitude | 44.0717 ± 0.0054 |
Longitude | 11.6320 ± 0.0075 |
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 | 122489161 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 646 |
Semi-minor axis of confidence ellipse (meter) | 547 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 45 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 650.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 134 |
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) | 0.26 |
Epicentral distance of station closest to the epicenter (degree) | 0.05396 |
Epicentral distance of station farthest from the epicenter (degree) | 0.25001 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.3 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 122489161 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-10-28 03:35:05 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.BOSL.HHZ. | 2023-10-28T03:30:06.44 | 0.1 | undecidable | manual | S | 233 | 25.8519 | 111 | 0.67 | 82 |
IV.RUFI.EHZ. | 2023-10-28T03:30:05.95 | 0.1 | undecidable | manual | S | 201 | 27.75 | 50 | -0.42 | 93 |
IV.RINC.EHZ. | 2023-10-28T03:30:04.35 | 0.1 | undecidable | manual | S | 186 | 20.6682 | 115 | 0.24 | 95 |
IV.VISG.HHZ. | 2023-10-28T03:30:04.12 | 0.1 | undecidable | manual | S | 310 | 20.4684 | 115 | 0.07 | 99 |
IV.SEI.HHZ. | 2023-10-28T03:30:04.31 | 0.1 | undecidable | manual | S | 265 | 21.867 | 114 | -0.2 | 95 |
IV.VMGN.HHZ. | 2023-10-28T03:30:02.37 | 0.1 | undecidable | manual | S | 211 | 15.1737 | 122 | -0.09 | 98 |
IV.RUFI.EHZ. | 2023-10-28T03:30:01.94 | 0.1 | positive | manual | P | 201 | 27.75 | 50 | -0.14 | 98 |
IV.BOSL.HHZ. | 2023-10-28T03:30:01.75 | 0.3 | positive | manual | P | 233 | 25.8519 | 111 | 0.02 | 73 |
IV.VISG.HHZ. | 2023-10-28T03:30:00.86 | 1.0 | undecidable | manual | P | 310 | 20.4684 | 115 | 0.13 | 24 |
IV.LMD.HHZ. | 2023-10-28T03:30:00.06 | 0.1 | undecidable | manual | S | 84 | 5.994 | 148 | -0.1 | 100 |
IV.SEI.HHZ. | 2023-10-28T03:30:00.89 | 0.1 | positive | manual | P | 265 | 21.867 | 114 | -0.11 | 98 |
IV.RINC.EHZ. | 2023-10-28T03:30:00.94 | 0.6 | undecidable | manual | P | 186 | 20.6682 | 115 | 0.17 | 48 |
IV.VMGN.HHZ. | 2023-10-28T03:29:59.98 | 1.0 | undecidable | manual | P | 211 | 15.1737 | 122 | 0.16 | 24 |
IV.LMD.HHZ. | 2023-10-28T03:29:58.60 | 0.1 | undecidable | manual | P | 84 | 5.994 | 148 | 0.11 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LMD.HHN. | ML:1.6 | 0.0007085 | 0.14 | AML | other | m | 2023-10-28T03:30:00.06 |
IV.LMD.HHE. | ML:1.4 | 0.000407 | 1.18 | AML | other | m | 2023-10-28T03:30:01.84 |
IV.VISG.HHE. | ML:1.0 | 0.00007865 | 0.64 | AML | other | m | 2023-10-28T03:30:05.16 |
IV.VISG.HHN. | ML:1.1 | 0.00008999999999999999 | 0.7 | AML | other | m | 2023-10-28T03:30:05.89 |