A magnitude ML 1.3 earthquake occured in region: 2 km E Marradi (FI), on
and geographic coordinates (lat, lon) 44.0720, 11.6440 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 | 3 | 3139 | 3139 |
Tredozio | FC | 8 | 1212 | 4351 |
Palazzuolo sul Senio | FI | 9 | 1154 | 5505 |
Portico e San Benedetto | FC | 12 | 756 | 6261 |
Premilcuore | FC | 15 | 799 | 7060 |
Modigliana | FC | 15 | 4560 | 11620 |
Rocca San Casciano | FC | 16 | 1910 | 13530 |
San Godenzo | FI | 16 | 1167 | 14697 |
Casola Valsenio | RA | 17 | 2617 | 17314 |
Castel del Rio | BO | 19 | 1246 | 18560 |
Brisighella | RA | 20 | 7639 | 26199 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.3 | 2023-10-11 04:54:19 |
44.0718 | 11.6438 | 8 | 2023-10-11 05:00:27 |
Sala Sismica INGV-Roma | 121977401 |
Field | Value |
---|---|
Time (UTC) | 2023-10-11 04:54:19 ± 0.06 |
Latitude | 44.0718 ± 0.0027 |
Longitude | 11.6438 ± 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 | 121977401 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 320 |
Semi-minor axis of confidence ellipse (meter) | 206 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 350 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 320.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 94 |
Number of associated phases, regardless of their use for origin computation | 27 |
Number of defining phases | 27 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.17 |
Epicentral distance of station closest to the epicenter (degree) | 0.02968 |
Epicentral distance of station farthest from the epicenter (degree) | 0.50452 |
Number of stations at which the event was observed | 14 |
Number of stations from which data was used for origin computation | 14 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.4 |
Num. used stations | 16 |
Type of magnitude | ML |
Reference to an origin | 121977401 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-10-11 05:00:27 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CRE.HHZ. | 2023-10-11T04:54:38.01 | 0.6 | undecidable | manual | S | 154 | 55.9995 | 50 | 0.15 | 45 |
IV.MPPT.EHZ. | 2023-10-11T04:54:35.04 | 0.6 | undecidable | manual | S | 254 | 45.9207 | 50 | -0.15 | 46 |
IV.FNVD.HHZ. | 2023-10-11T04:54:34.66 | 0.6 | undecidable | manual | S | 285 | 42.8238 | 50 | 0.3 | 45 |
IV.MOCL.EHZ. | 2023-10-11T04:54:32.86 | 0.6 | undecidable | manual | S | 259 | 37.629 | 50 | -0.12 | 47 |
IV.RUFI.EHZ. | 2023-10-11T04:54:29.90 | 0.6 | undecidable | manual | S | 203 | 28.0497 | 105 | 0.07 | 48 |
IV.CRE.HHZ. | 2023-10-11T04:54:29.81 | 0.6 | positive | manual | P | 154 | 55.9995 | 50 | -0.39 | 43 |
IV.BOSL.HHZ. | 2023-10-11T04:54:29.50 | 0.6 | undecidable | manual | S | 234 | 26.5512 | 106 | 0.17 | 48 |
IV.MPPT.EHZ. | 2023-10-11T04:54:28.56 | 1.0 | undecidable | manual | P | 254 | 45.9207 | 50 | -0.1 | 23 |
IV.SEI.HHZ. | 2023-10-11T04:54:28.16 | 0.6 | undecidable | manual | S | 265 | 22.8549 | 109 | 0.07 | 49 |
IV.SFI.EHZ. | 2023-10-11T04:54:28.74 | 0.6 | undecidable | manual | S | 139 | 24.6531 | 107 | 0.06 | 49 |
IV.RINC.EHZ. | 2023-10-11T04:54:27.58 | 0.6 | undecidable | manual | S | 188 | 20.7681 | 110 | 0.16 | 48 |
IV.MOCL.EHZ. | 2023-10-11T04:54:27.03 | 0.6 | negative | manual | P | 259 | 37.629 | 50 | -0.35 | 45 |
IV.FNVD.HHZ. | 2023-10-11T04:54:27.97 | 0.6 | positive | manual | P | 285 | 42.8238 | 50 | -0.21 | 46 |
IV.VMGN.HHZ. | 2023-10-11T04:54:26.00 | 0.6 | undecidable | manual | S | 214 | 15.7731 | 116 | 0.18 | 48 |
IV.BOSL.HHZ. | 2023-10-11T04:54:25.31 | 0.6 | positive | manual | P | 234 | 26.5512 | 106 | 0.04 | 49 |
IV.RUFI.EHZ. | 2023-10-11T04:54:25.36 | 1.0 | undecidable | manual | P | 203 | 28.0497 | 105 | -0.2 | 24 |
IT.MOG.HNN. | 2023-10-11T04:54:25.87 | 0.6 | undecidable | manual | S | 42 | 14.6742 | 118 | 0.38 | 46 |
IV.RINC.EHZ. | 2023-10-11T04:54:24.26 | 0.1 | positive | manual | P | 188 | 20.7681 | 110 | 0.09 | 98 |
IV.VISG.HHE. | 2023-10-11T04:54:24.32 | 0.1 | undecidable | manual | P | 308 | 21.1677 | 110 | 0.08 | 98 |
IV.SEI.HHZ. | 2023-10-11T04:54:24.48 | 0.1 | positive | manual | P | 265 | 22.8549 | 109 | -0.08 | 98 |
IV.SFI.EHZ. | 2023-10-11T04:54:24.79 | 0.1 | positive | manual | P | 139 | 24.6531 | 107 | -0.11 | 97 |
IV.VMGN.HHZ. | 2023-10-11T04:54:23.50 | 0.1 | positive | manual | P | 214 | 15.7731 | 116 | 0.26 | 95 |
IT.MOG.HNN. | 2023-10-11T04:54:23.31 | 0.1 | undecidable | manual | P | 42 | 14.6742 | 118 | 0.26 | 95 |
IT.MRR.HGE. | 2023-10-11T04:54:22.26 | 0.6 | undecidable | manual | S | 255 | 3.2967 | 157 | -0.39 | 47 |
IV.LMD.HHE. | 2023-10-11T04:54:22.56 | 0.6 | undecidable | manual | S | 83 | 5.0949 | 147 | -0.38 | 47 |
IT.MRR.HGE. | 2023-10-11T04:54:21.30 | 0.1 | undecidable | manual | P | 255 | 3.2967 | 157 | -0.12 | 100 |
IV.LMD.HHE. | 2023-10-11T04:54:21.46 | 0.1 | undecidable | manual | P | 83 | 5.0949 | 147 | -0.12 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VMGN.HHN. | ML:1.0 | 0.0000927 | 1.36 | AML | other | m | 2023-10-11T04:54:27.29 |
IV.SEI.HHN. | ML:2.0 | 0.0007009999999999999 | 0.2 | AML | other | m | 2023-10-11T04:54:28.73 |
IV.SEI.HHE. | ML:1.8 | 0.0004735 | 0.36 | AML | other | m | 2023-10-11T04:54:28.76 |
IV.VMGN.HHE. | ML:0.9 | 0.0000804 | 0.6 | AML | other | m | 2023-10-11T04:54:28.56 |
IV.SFI.EHE. | ML:1.4 | 0.0001555 | 0.24 | AML | other | m | 2023-10-11T04:54:29.33 |
IV.SFI.EHN. | ML:1.6 | 0.000254 | 1.1 | AML | other | m | 2023-10-11T04:54:29.40 |
IV.BOSL.HHE. | ML:0.8 | 0.00003845 | 0.24 | AML | other | m | 2023-10-11T04:54:29.67 |
IV.BOSL.HHN. | ML:1.0 | 0.00006205 | 1.78 | AML | other | m | 2023-10-11T04:54:29.06 |
IV.MOCL.EHN. | ML:1.9 | 0.000272 | 0.16 | AML | other | m | 2023-10-11T04:54:33.08 |
IV.MOCL.EHE. | ML:1.6 | 0.0001595 | 0.7 | AML | other | m | 2023-10-11T04:54:33.76 |
IV.FNVD.HHN. | ML:0.8 | 0.0000207 | 0.52 | AML | other | m | 2023-10-11T04:54:35.79 |
IV.MPPT.EHN. | ML:1.1 | 0.00003785 | 0.42 | AML | other | m | 2023-10-11T04:54:35.33 |
IV.MPPT.EHE. | ML:1.1 | 0.0000363 | 0.44 | AML | other | m | 2023-10-11T04:54:36.32 |
IV.FNVD.HHE. | ML:1.2 | 0.000050299999999999996 | 0.42 | AML | other | m | 2023-10-11T04:54:37.76 |
IV.CRE.HHN. | ML:1.9 | 0.0001895 | 0.22 | AML | other | m | 2023-10-11T04:54:38.47 |
IV.CRE.HHE. | ML:1.3 | 0.000049250000000000004 | 1.82 | AML | other | m | 2023-10-11T04:54:39.93 |