A magnitude ML 0.8 earthquake occured in region: 4 km W Tredozio (FC), on
and geographic coordinates (lat, lon) 44.0730, 11.6920 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 |
---|---|---|---|---|
Tredozio | FC | 4 | 1212 | 1212 |
Marradi | FI | 6 | 3139 | 4351 |
Portico e San Benedetto | FC | 9 | 756 | 5107 |
Rocca San Casciano | FC | 12 | 1910 | 7017 |
Modigliana | FC | 12 | 4560 | 11577 |
Palazzuolo sul Senio | FI | 12 | 1154 | 12731 |
Premilcuore | FC | 13 | 799 | 13530 |
Dovadola | FC | 17 | 1653 | 15183 |
San Godenzo | FI | 17 | 1167 | 16350 |
Casola Valsenio | RA | 18 | 2617 | 18967 |
Brisighella | RA | 18 | 7639 | 26606 |
Galeata | FC | 19 | 2516 | 29122 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2023-09-18 10:29:30 |
44.0733 | 11.6923 | 10 | 2023-09-18 10:42:02 |
Sala Sismica INGV-Roma | 121180361 |
Field | Value |
---|---|
Time (UTC) | 2023-09-18 10:29:30 ± 0.03 |
Latitude | 44.0733 ± 0.0018 |
Longitude | 11.6923 ± 0.0025 |
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 | 121180361 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 173 |
Semi-minor axis of confidence ellipse (meter) | 168 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 182 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 170.0 |
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 | 12 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.05 |
Epicentral distance of station closest to the epicenter (degree) | 0.16548 |
Epicentral distance of station farthest from the epicenter (degree) | 0.26980 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 121180361 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-18 10:42:02 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RUFI.EHZ. | 2023-09-18T10:29:40.73 | 0.3 | undecidable | manual | S | 209 | 29.9478 | 50 | -0.03 | 74 |
IV.SEI.HHZ. | 2023-09-18T10:29:39.98 | 0.3 | undecidable | manual | S | 266 | 26.6511 | 50 | 0.08 | 73 |
IV.VISG.HHZ. | 2023-09-18T10:29:39.24 | 0.3 | undecidable | manual | S | 302 | 24.2535 | 50 | -0.01 | 75 |
IV.RINC.EHZ. | 2023-09-18T10:29:38.53 | 0.3 | undecidable | manual | S | 198 | 21.7671 | 115 | 0.01 | 75 |
IV.SFI.EHZ. | 2023-09-18T10:29:38.79 | 0.3 | undecidable | manual | S | 146 | 22.3554 | 115 | 0.08 | 74 |
IV.VMGN.HHZ. | 2023-09-18T10:29:37.40 | 0.1 | undecidable | manual | S | 224 | 18.3705 | 119 | -0.05 | 100 |
IV.RUFI.EHZ. | 2023-09-18T10:29:36.24 | 0.1 | undecidable | manual | P | 209 | 29.9478 | 50 | -0.04 | 98 |
IV.VISG.HHZ. | 2023-09-18T10:29:35.36 | 0.1 | undecidable | manual | P | 302 | 24.2535 | 50 | -0.04 | 99 |
IV.SEI.HHZ. | 2023-09-18T10:29:35.84 | 0.3 | undecidable | manual | P | 266 | 26.6511 | 50 | 0.06 | 74 |
IV.RINC.EHZ. | 2023-09-18T10:29:35.00 | 0.3 | undecidable | manual | P | 198 | 21.7671 | 115 | 0.01 | 75 |
IV.SFI.EHZ. | 2023-09-18T10:29:35.04 | 0.1 | undecidable | manual | P | 146 | 22.3554 | 115 | -0.05 | 99 |
IV.VMGN.HHZ. | 2023-09-18T10:29:34.42 | 0.3 | undecidable | manual | P | 224 | 18.3705 | 119 | 0.06 | 75 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VMGN.HHN. | ML:0.6 | 0.00003225 | 1.62 | AML | other | m | 2023-09-18T10:29:38.84 |
IV.VMGN.HHE. | ML:0.6 | 0.0000293 | 0.5 | AML | other | m | 2023-09-18T10:29:38.61 |
IV.SFI.EHN. | ML:0.8 | 0.00004045 | 1.1 | AML | other | m | 2023-09-18T10:29:39.93 |
IV.VISG.HHE. | ML:0.7 | 0.000030449999999999998 | 0.18 | AML | other | m | 2023-09-18T10:29:39.33 |
IV.VISG.HHN. | ML:0.7 | 0.0000289 | 0.9 | AML | other | m | 2023-09-18T10:29:39.91 |
IV.SFI.EHE. | ML:0.8 | 0.00004615 | 0.16 | AML | other | m | 2023-09-18T10:29:39.67 |
IV.SEI.HHE. | ML:1.0 | 0.000048100000000000004 | 0.34 | AML | other | m | 2023-09-18T10:29:40.44 |
IV.SEI.HHN. | ML:1.2 | 0.0000883 | 0.34 | AML | other | m | 2023-09-18T10:29:41.59 |