A magnitude ML 0.9 earthquake occured in region: 5 km W Tredozio (FC), on
and geographic coordinates (lat, lon) 44.0930, 11.6910 at 5 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 |
---|---|---|---|---|
Tredozio | FC | 5 | 1212 | 1212 |
Marradi | FI | 6 | 3139 | 4351 |
Portico e San Benedetto | FC | 10 | 756 | 5107 |
Modigliana | FC | 11 | 4560 | 9667 |
Palazzuolo sul Senio | FI | 12 | 1154 | 10821 |
Rocca San Casciano | FC | 13 | 1910 | 12731 |
Premilcuore | FC | 15 | 799 | 13530 |
Casola Valsenio | RA | 16 | 2617 | 16147 |
Brisighella | RA | 16 | 7639 | 23786 |
Dovadola | FC | 16 | 1653 | 25439 |
San Godenzo | FI | 19 | 1167 | 26606 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2024-02-18 13:07:32 |
44.0927 | 11.6908 | 5 | 2024-02-18 13:15:30 |
Sala Sismica INGV-Roma | 125356111 |
Field | Value |
---|---|
Time (UTC) | 2024-02-18 13:07:32 ± 0.09 |
Latitude | 44.0927 ± 0.0045 |
Longitude | 11.6908 ± 0.0038 |
Depth (km) | 5 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 125356111 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 398 |
Semi-minor axis of confidence ellipse (meter) | 328 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 38 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 400.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 204 |
Number of associated phases, regardless of their use for origin computation | 10 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.11 |
Epicentral distance of station closest to the epicenter (degree) | 0.01889 |
Epicentral distance of station farthest from the epicenter (degree) | 0.24192 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.3 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 125356111 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2024-02-18 13:15:30 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SFI.EHZ. | 2024-02-18T13:07:41.26 | 0.3 | undecidable | manual | S | 149 | 24.2535 | 102 | 0.1 | 71 |
IV.SEI.HHZ. | 2024-02-18T13:07:41.94 | 0.3 | undecidable | manual | S | 261 | 26.8509 | 101 | -0.08 | 71 |
IV.VISG.HHZ. | 2024-02-18T13:07:40.89 | 0.3 | undecidable | manual | S | 298 | 23.0547 | 102 | 0.15 | 71 |
IV.SEI.HHZ. | 2024-02-18T13:07:37.80 | 0.3 | positive | manual | P | 261 | 26.8509 | 101 | -0.22 | 69 |
IV.VISG.HHZ. | 2024-02-18T13:07:37.28 | 0.1 | undecidable | manual | P | 298 | 23.0547 | 102 | 0 | 97 |
IV.SFI.EHZ. | 2024-02-18T13:07:37.51 | 0.6 | positive | manual | P | 149 | 24.2535 | 102 | -0.01 | 48 |
IT.MRR.HGZ. | 2024-02-18T13:07:35.82 | 0.3 | undecidable | manual | S | 246 | 7.6812 | 123 | 0.09 | 73 |
IV.LMD.HHZ. | 2024-02-18T13:07:34.38 | 0.3 | undecidable | manual | S | 142 | 2.0979 | 157 | -0.07 | 74 |
IT.MRR.HGZ. | 2024-02-18T13:07:34.43 | 0.1 | undecidable | manual | P | 246 | 7.6812 | 123 | 0.04 | 99 |
IV.LMD.HHZ. | 2024-02-18T13:07:33.62 | 0.1 | undecidable | manual | P | 142 | 2.0979 | 157 | -0.03 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SEI.HHE. | ML:0.7 | 0.000029955000000000004 | 0.2 | AML | other | m | 2024-02-18T13:07:42.48 |
IV.SEI.HHN. | ML:1.1 | 0.00006890000000000001 | 0.22 | AML | other | m | 2024-02-18T13:07:42.53 |