A magnitude ML 0.4 earthquake occured in region: 5 km W Tredozio (FC), on
and geographic coordinates (lat, lon) 44.0700, 11.6880 at 4 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 | 9 | 756 | 5107 |
Palazzuolo sul Senio | FI | 12 | 1154 | 6261 |
Rocca San Casciano | FC | 12 | 1910 | 8171 |
Premilcuore | FC | 13 | 799 | 8970 |
Modigliana | FC | 13 | 4560 | 13530 |
San Godenzo | FI | 17 | 1167 | 14697 |
Dovadola | FC | 17 | 1653 | 16350 |
Casola Valsenio | RA | 18 | 2617 | 18967 |
Brisighella | RA | 18 | 7639 | 26606 |
Galeata | FC | 20 | 2516 | 29122 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.4 | 2023-09-19 14:55:41 |
44.0695 | 11.6877 | 4 | 2023-09-19 15:06:57 |
Sala Sismica INGV-Roma | 121234241 |
Field | Value |
---|---|
Time (UTC) | 2023-09-19 14:55:41 ± 0.14 |
Latitude | 44.0695 ± 0.0036 |
Longitude | 11.6877 ± 0.0063 |
Depth (km) | 4 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 121234241 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 501 |
Semi-minor axis of confidence ellipse (meter) | 243 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 317 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 500.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 137 |
Number of associated phases, regardless of their use for origin computation | 17 |
Number of defining phases | 15 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.31027 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 0.4 |
Uncertainty | 0.4 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 121234241 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-19 15:06:57 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ARVD.HHZ. | 2023-09-19T14:55:59.00 | 3.0 | undecidable | manual | P | -0.68 | 0 | |||
IT.MCS.HGZ. | 2023-09-19T14:55:58.61 | 0.1 | undecidable | manual | P | 34.4433 | 9.73 | 0 | ||
IV.NARO.HHZ. | 2023-09-19T14:55:55.30 | 3.0 | undecidable | manual | P | 0.69 | 0 | |||
IV.SEI.HHZ. | 2023-09-19T14:55:51.05 | 0.3 | undecidable | manual | S | 266 | 26.2515 | 99 | -0.11 | 71 |
IV.VISG.HHZ. | 2023-09-19T14:55:50.34 | 0.6 | undecidable | manual | S | 303 | 24.1536 | 100 | -0.09 | 48 |
IV.RINC.EHZ. | 2023-09-19T14:55:49.44 | 0.3 | undecidable | manual | S | 198 | 21.2676 | 101 | -0.02 | 73 |
IV.VMGN.HHZ. | 2023-09-19T14:55:48.56 | 0.1 | undecidable | manual | S | 224 | 17.7711 | 103 | 0.3 | 92 |
IT.MOG.HNZ. | 2023-09-19T14:55:47.03 | 0.3 | undecidable | manual | S | 29 | 12.876 | 108 | 0.42 | 68 |
IV.RINC.EHZ. | 2023-09-19T14:55:46.14 | 0.3 | positive | manual | P | 198 | 21.2676 | 101 | -0.13 | 71 |
IV.VISG.HHZ. | 2023-09-19T14:55:46.58 | 0.6 | undecidable | manual | P | 303 | 24.1536 | 100 | -0.25 | 46 |
IV.SEI.HHZ. | 2023-09-19T14:55:46.66 | 1.0 | undecidable | manual | P | 266 | 26.2515 | 99 | -0.6 | 21 |
IV.VMGN.HHZ. | 2023-09-19T14:55:45.61 | 0.6 | positive | manual | P | 224 | 17.7711 | 103 | 0.03 | 49 |
IT.MOG.HNZ. | 2023-09-19T14:55:44.63 | 0.3 | undecidable | manual | P | 29 | 12.876 | 108 | 0 | 74 |
IT.MRR.HGZ. | 2023-09-19T14:55:44.91 | 0.3 | undecidable | manual | S | 265 | 6.7932 | 122 | 0.22 | 72 |
IV.LMD.HHZ. | 2023-09-19T14:55:43.40 | 0.1 | undecidable | manual | S | 61 | 1.7982 | 157 | -0.12 | 98 |
IT.MRR.HGZ. | 2023-09-19T14:55:43.52 | 0.1 | undecidable | manual | P | 265 | 6.7932 | 122 | 0 | 100 |
IV.LMD.HHZ. | 2023-09-19T14:55:42.71 | 0.1 | undecidable | manual | P | 61 | 1.7982 | 157 | -0.13 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LMD.HHN. | ML:0.0 | 0.0010438675 | 0.1408 | AML | other | m | 2023-09-19T14:55:43.55 |
IV.LMD.HHE. | ML:0.0 | 0.00047300335499999993 | 0.0768 | AML | other | m | 2023-09-19T14:55:43.55 |
IV.SEI.HHE. | ML:1.0 | 0.000066 | 0.68 | AML | other | m | 2023-09-19T14:55:51.19 |
IV.SEI.HHN. | ML:1.3 | 0.000121 | 1.66 | AML | other | m | 2023-09-19T14:55:52.93 |
IV.VMGN.HHE. | ML:0.2 | 0.000012523357 | 0.1152 | AML | other | m | 2023-09-19T14:55:50.14 |
IV.VMGN.HHN. | ML:0.2 | 0.000016976855 | 0.256 | AML | other | m | 2023-09-19T14:55:50.85 |
IV.VISG.HHE. | ML:0.4 | 0.000015520385 | 0.1024 | AML | other | m | 2023-09-19T14:55:51.32 |
IV.VISG.HHN. | ML:0.4 | 0.0000135366455 | 0.1792 | AML | other | m | 2023-09-19T14:55:50.68 |