A magnitude ML 1.1 earthquake occured in region: 5 km NE Marradi (FI), on
and geographic coordinates (lat, lon) 44.0980, 11.6640 at 8 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 | 5 | 3139 | 3139 |
Tredozio | FC | 7 | 1212 | 4351 |
Palazzuolo sul Senio | FI | 9 | 1154 | 5505 |
Portico e San Benedetto | FC | 12 | 756 | 6261 |
Modigliana | FC | 12 | 4560 | 10821 |
Casola Valsenio | RA | 14 | 2617 | 13438 |
Rocca San Casciano | FC | 15 | 1910 | 15348 |
Premilcuore | FC | 16 | 799 | 16147 |
Brisighella | RA | 16 | 7639 | 23786 |
Dovadola | FC | 18 | 1653 | 25439 |
Castel del Rio | BO | 18 | 1246 | 26685 |
San Godenzo | FI | 19 | 1167 | 27852 |
Fontanelice | BO | 20 | 1943 | 29795 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2023-09-19 22:40:22 |
44.098 | 11.664 | 8 | 2023-09-19 22:49:57 |
Sala Sismica INGV-Roma | 121248871 |
Field | Value |
---|---|
Time (UTC) | 2023-09-19 22:40:22 ± 0.08 |
Latitude | 44.0980 ± 0.0036 |
Longitude | 11.6640 ± 0.0038 |
Depth (km) | 8 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 121248871 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 335 |
Semi-minor axis of confidence ellipse (meter) | 235 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 27 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 340.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 184 |
Number of associated phases, regardless of their use for origin computation | 15 |
Number of defining phases | 15 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.03687 |
Epicentral distance of station farthest from the epicenter (degree) | 0.52161 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.3 |
Num. used stations | 16 |
Type of magnitude | ML |
Reference to an origin | 121248871 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-19 22:49:57 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CRE.HHZ. | 2023-09-19T22:40:33.41 | 0.3 | positive | manual | P | 156 | 57.8976 | 50 | -0.04 | 72 |
IV.BOSL.HHZ. | 2023-09-19T22:40:33.42 | 0.6 | undecidable | manual | S | 231 | 29.6481 | 105 | 0.03 | 50 |
IV.SFI.EHZ. | 2023-09-19T22:40:32.30 | 0.6 | undecidable | manual | S | 146 | 25.9518 | 107 | 0.14 | 50 |
IV.SEI.HHZ. | 2023-09-19T22:40:31.60 | 0.6 | undecidable | manual | S | 259 | 24.8529 | 108 | -0.19 | 49 |
IV.VMGN.HHZ. | 2023-09-19T22:40:30.02 | 0.6 | undecidable | manual | S | 213 | 19.0698 | 113 | 0.1 | 51 |
IV.MOCL.EHZ. | 2023-09-19T22:40:30.45 | 1.0 | undecidable | manual | P | 255 | 39.9267 | 50 | -0.21 | 24 |
IV.VISG.HHZ. | 2023-09-19T22:40:30.68 | 0.6 | undecidable | manual | S | 299 | 20.868 | 111 | 0.17 | 50 |
IV.BOSL.HHZ. | 2023-09-19T22:40:28.81 | 0.6 | undecidable | manual | P | 231 | 29.6481 | 105 | -0.07 | 50 |
IV.SFI.EHZ. | 2023-09-19T22:40:28.21 | 0.6 | negative | manual | P | 146 | 25.9518 | 107 | 0.04 | 51 |
IV.RINC.EHZ. | 2023-09-19T22:40:27.83 | 0.6 | undecidable | manual | P | 191 | 23.8539 | 109 | 0.04 | 51 |
IV.SEI.HHZ. | 2023-09-19T22:40:27.84 | 0.1 | negative | manual | P | 259 | 24.8529 | 108 | -0.12 | 100 |
IV.VISG.HHZ. | 2023-09-19T22:40:27.44 | 0.6 | positive | manual | P | 299 | 20.868 | 111 | 0.22 | 49 |
IV.VMGN.HHZ. | 2023-09-19T22:40:26.98 | 0.3 | positive | manual | P | 213 | 19.0698 | 113 | 0.1 | 76 |
IV.LMD.HHZ. | 2023-09-19T22:40:25.70 | 0.6 | undecidable | manual | S | 123 | 4.0959 | 153 | -0.2 | 51 |
IV.LMD.HHZ. | 2023-09-19T22:40:24.51 | 1.0 | undecidable | manual | P | 123 | 4.0959 | 153 | -0.05 | 26 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VMGN.HHE. | ML:1.1 | 0.00009435 | 0.46 | AML | other | m | 2023-09-19T22:40:30.44 |
IV.SEI.HHN. | ML:1.9 | 0.000483 | 0.24 | AML | other | m | 2023-09-19T22:40:32.15 |
IV.VMGN.HHN. | ML:1.1 | 0.00010350000000000001 | 0.64 | AML | other | m | 2023-09-19T22:40:32.40 |
IV.SFI.EHE. | ML:1.0 | 0.00006170000000000001 | 0.24 | AML | other | m | 2023-09-19T22:40:32.44 |
IV.SFI.EHN. | ML:1.0 | 0.0000544 | 0.26 | AML | other | m | 2023-09-19T22:40:32.63 |
IV.SEI.HHE. | ML:1.6 | 0.0002535 | 0.28 | AML | other | m | 2023-09-19T22:40:33.23 |
IV.VISG.HHN. | ML:0.8 | 0.0000519 | 0.32 | AML | other | m | 2023-09-19T22:40:33.67 |
IV.VISG.HHE. | ML:0.8 | 0.000045199999999999994 | 0.56 | AML | other | m | 2023-09-19T22:40:33.68 |
IV.BOSL.HHN. | ML:0.8 | 0.000036500000000000006 | 0.3 | AML | other | m | 2023-09-19T22:40:33.78 |
IV.BOSL.HHE. | ML:0.8 | 0.0000282 | 1.28 | AML | other | m | 2023-09-19T22:40:33.80 |
IV.RINC.EHE. | ML:1.2 | 0.00009825 | 0.56 | AML | other | m | 2023-09-19T22:40:34.57 |
IV.RINC.EHN. | ML:1.4 | 0.0001471 | 1.1 | AML | other | m | 2023-09-19T22:40:34.10 |
IV.MOCL.EHE. | ML:1.2 | 0.00005805 | 0.24 | AML | other | m | 2023-09-19T22:40:36.74 |
IV.MOCL.EHN. | ML:1.2 | 0.000056175 | 1.44 | AML | other | m | 2023-09-19T22:40:37.89 |
IV.CRE.HHE. | ML:1.3 | 0.00004175 | 0.26 | AML | other | m | 2023-09-19T22:40:42.36 |
IV.CRE.HHN. | ML:1.3 | 0.00004425 | 0.74 | AML | other | m | 2023-09-19T22:40:42.58 |