A magnitude ML 1.1 earthquake occured in region: 1 km E Marradi (FI), on
and geographic coordinates (lat, lon) 44.0750, 11.6250 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 | 1 | 3139 | 3139 |
Palazzuolo sul Senio | FI | 8 | 1154 | 4293 |
Tredozio | FC | 10 | 1212 | 5505 |
Portico e San Benedetto | FC | 14 | 756 | 6261 |
Modigliana | FC | 16 | 4560 | 10821 |
Premilcuore | FC | 16 | 799 | 11620 |
San Godenzo | FI | 17 | 1167 | 12787 |
Casola Valsenio | RA | 17 | 2617 | 15404 |
Rocca San Casciano | FC | 18 | 1910 | 17314 |
Castel del Rio | BO | 18 | 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 1.1 | 2023-10-28 02:56:33 |
44.0752 | 11.6253 | 10 | 2023-10-28 03:00:49 |
Sala Sismica INGV-Roma | 122486711 |
Field | Value |
---|---|
Time (UTC) | 2023-10-28 02:56:33 ± 0.07 |
Latitude | 44.0752 ± 0.0027 |
Longitude | 11.6253 ± 0.0038 |
Depth (km) | 10 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 122486711 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 311 |
Semi-minor axis of confidence ellipse (meter) | 276 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 10 |
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) | 138 |
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) | 0.15 |
Epicentral distance of station closest to the epicenter (degree) | 0.05846 |
Epicentral distance of station farthest from the epicenter (degree) | 0.25091 |
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 | 1.1 |
Uncertainty | 0.0 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 122486711 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-10-28 03:00:49 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SFI.EHZ. | 2023-10-28T02:56:43.00 | 0.1 | undecidable | manual | S | 137 | 25.8519 | 50 | 0.12 | 96 |
IV.RUFI.EHZ. | 2023-10-28T02:56:43.17 | 0.1 | undecidable | manual | S | 199 | 27.8499 | 50 | -0.24 | 93 |
IV.SEI.HHZ. | 2023-10-28T02:56:41.36 | 0.1 | undecidable | manual | S | 264 | 21.3675 | 115 | -0.08 | 97 |
IV.RINC.EHZ. | 2023-10-28T02:56:41.44 | 0.1 | undecidable | manual | S | 184 | 20.9679 | 115 | 0.13 | 96 |
IV.VISG.HHZ. | 2023-10-28T02:56:41.00 | 0.1 | undecidable | manual | S | 310 | 19.7691 | 117 | 0.07 | 98 |
IV.RUFI.EHZ. | 2023-10-28T02:56:39.03 | 0.6 | positive | manual | P | 199 | 27.8499 | 50 | -0.09 | 48 |
IV.VMGN.HHZ. | 2023-10-28T02:56:39.48 | 0.1 | undecidable | manual | S | 209 | 15.2736 | 123 | -0.1 | 98 |
IV.SFI.EHZ. | 2023-10-28T02:56:38.80 | 0.6 | negative | manual | P | 137 | 25.8519 | 50 | -0.01 | 49 |
IV.SEI.HHZ. | 2023-10-28T02:56:38.00 | 0.3 | positive | manual | P | 264 | 21.3675 | 115 | 0.02 | 74 |
IV.RINC.EHZ. | 2023-10-28T02:56:38.08 | 0.6 | negative | manual | P | 184 | 20.9679 | 115 | 0.17 | 48 |
IV.VMGN.HHZ. | 2023-10-28T02:56:37.10 | 0.1 | positive | manual | P | 209 | 15.2736 | 123 | 0.19 | 96 |
IV.VISG.HHZ. | 2023-10-28T02:56:37.73 | 0.6 | negative | manual | P | 310 | 19.7691 | 117 | 0.05 | 49 |
IV.LMD.HHZ. | 2023-10-28T02:56:37.13 | 0.1 | undecidable | manual | S | 88 | 6.4935 | 147 | -0.25 | 96 |
IV.LMD.HHZ. | 2023-10-28T02:56:35.70 | 0.1 | undecidable | manual | P | 88 | 6.4935 | 147 | 0.06 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VMGN.HHE. | ML:1.0 | 0.0001047 | 1.62 | AML | other | m | 2023-10-28T02:56:40.00 |
IV.VMGN.HHN. | ML:1.1 | 0.000117 | 1.58 | AML | other | m | 2023-10-28T02:56:40.04 |