A magnitude ML 1.1 earthquake occured in region: 4 km W Tredozio (FC), on
and geographic coordinates (lat, lon) 44.0850, 11.6970 at 7 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 | 7 | 3139 | 4351 |
Portico e San Benedetto | FC | 9 | 756 | 5107 |
Modigliana | FC | 11 | 4560 | 9667 |
Rocca San Casciano | FC | 12 | 1910 | 11577 |
Palazzuolo sul Senio | FI | 12 | 1154 | 12731 |
Premilcuore | FC | 14 | 799 | 13530 |
Dovadola | FC | 16 | 1653 | 15183 |
Brisighella | RA | 16 | 7639 | 22822 |
Casola Valsenio | RA | 17 | 2617 | 25439 |
San Godenzo | FI | 19 | 1167 | 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 1.1 | 2023-09-19 15:55:43 |
44.085 | 11.6968 | 7 | 2023-09-19 16:09:43 |
Sala Sismica INGV-Roma | 121235521 |
Field | Value |
---|---|
Time (UTC) | 2023-09-19 15:55:43 ± 0.18 |
Latitude | 44.0850 ± 0.0036 |
Longitude | 11.6968 ± 0.0075 |
Depth (km) | 7 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 121235521 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 535 |
Semi-minor axis of confidence ellipse (meter) | 290 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 76 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 530.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 196 |
Number of associated phases, regardless of their use for origin computation | 21 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.14 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.28149 |
Number of stations at which the event was observed | 15 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.7 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 121235521 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-19 16:09:43 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.EVRN.HNZ. | 2023-09-19T15:57:30.65 | 3.0 | positive | manual | Pg | 7.24 | 0 | |||
IV.SPS2.HHZ. | 2023-09-19T15:57:13.50 | 3.0 | undecidable | manual | Pg | 4.94 | 0 | |||
IX.SCL3.EHZ.02 | 2023-09-19T15:56:49.38 | 3.0 | undecidable | manual | Pg | 1.81 | 0 | |||
IV.ACER.HHZ. | 2023-09-19T15:56:48.47 | 3.0 | negative | manual | Pg | -0.63 | 0 | |||
IV.AGLI.HHZ. | 2023-09-19T15:56:38.25 | 3.0 | undecidable | manual | Pn | -1.28 | 0 | |||
IV.FIAM.HHZ. | 2023-09-19T15:56:33.14 | 3.0 | undecidable | manual | Sn | -9.99 | 0 | |||
CH.MUGIO.HHZ. | 2023-09-19T15:56:28.65 | 3.0 | undecidable | manual | Pg | 8.08 | 0 | |||
IV.MF5.EHZ. | 2023-09-19T15:56:02.11 | 3.0 | undecidable | manual | P | -7.61 | 0 | |||
MN.TRI.HHZ. | 2023-09-19T15:56:02.21 | 3.0 | negative | manual | P | -6.52 | 0 | |||
IV.RUFI.EHZ. | 2023-09-19T15:55:54.45 | 0.3 | undecidable | manual | S | 209 | 31.2465 | 102 | -0.21 | 69 |
IV.SEI.HHZ. | 2023-09-19T15:55:53.29 | 0.3 | undecidable | manual | S | 263 | 27.1506 | 104 | 0 | 73 |
IV.VISG.HHE. | 2023-09-19T15:55:52.23 | 0.3 | undecidable | manual | S | 299 | 23.8539 | 105 | 0.05 | 72 |
IV.RINC.EHZ. | 2023-09-19T15:55:52.08 | 0.6 | undecidable | manual | S | 198 | 23.1546 | 106 | 0.14 | 48 |
IV.VMGN.HHZ. | 2023-09-19T15:55:50.86 | 0.3 | undecidable | manual | S | 222 | 19.5693 | 109 | 0.12 | 72 |
IV.RUFI.EHZ. | 2023-09-19T15:55:49.81 | 0.6 | negative | manual | P | 209 | 31.2465 | 102 | -0.17 | 47 |
IV.RINC.EHZ. | 2023-09-19T15:55:48.65 | 1.0 | undecidable | manual | P | 198 | 23.1546 | 106 | 0.24 | 23 |
IV.SEI.HHZ. | 2023-09-19T15:55:48.73 | 1.0 | undecidable | manual | P | 263 | 27.1506 | 104 | -0.46 | 22 |
IV.VISG.HHE. | 2023-09-19T15:55:48.53 | 0.1 | undecidable | manual | P | 299 | 23.8539 | 105 | -0.02 | 97 |
IV.VMGN.HHZ. | 2023-09-19T15:55:47.90 | 0.6 | positive | manual | P | 222 | 19.5693 | 109 | 0.18 | 47 |
IV.LMD.HHZ. | 2023-09-19T15:55:45.83 | 0.1 | undecidable | manual | S | 135 | 1.1988 | 170 | -0.07 | 100 |
IV.LMD.HHZ. | 2023-09-19T15:55:45.00 | 0.1 | undecidable | manual | P | 135 | 1.1988 | 170 | 0.08 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FNVD.HHN. | ML:1.5 | 0.00009814999999999999 | 1.04 | AML | other | m | 2023-09-19T15:56:14.69 |
IV.FNVD.HHE. | ML:2.0 | 0.0002665 | 0.82 | AML | other | m | 2023-09-19T15:56:14.46 |
IV.LMD.HHE. | ML:0.0 | 0.00035739645 | 0.1152 | AML | other | m | 2023-09-19T15:55:45.91 |
IV.LMD.HHN. | ML:0.0 | 0.0010407410000000002 | 0.1152 | AML | other | m | 2023-09-19T15:55:45.97 |
IV.VMGN.HHE. | ML:0.5 | 0.000024758345 | 0.2048 | AML | other | m | 2023-09-19T15:55:51.42 |
IV.VMGN.HHN. | ML:0.4 | 0.000021165395 | 0.384 | AML | other | m | 2023-09-19T15:55:51.25 |