A magnitude ML 1.3 earthquake occured in region: 2 km E Marradi (FI), on
and geographic coordinates (lat, lon) 44.0700, 11.6340 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 | 2 | 3139 | 3139 |
Palazzuolo sul Senio | FI | 8 | 1154 | 4293 |
Tredozio | FC | 9 | 1212 | 5505 |
Portico e San Benedetto | FC | 13 | 756 | 6261 |
Premilcuore | FC | 15 | 799 | 7060 |
San Godenzo | FI | 16 | 1167 | 8227 |
Modigliana | FC | 16 | 4560 | 12787 |
Rocca San Casciano | FC | 17 | 1910 | 14697 |
Casola Valsenio | RA | 17 | 2617 | 17314 |
Castel del Rio | BO | 19 | 1246 | 18560 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.3 | 2023-10-28 08:30:35 |
44.0697 | 11.6343 | 8 | 2023-10-28 08:37:32 |
Sala Sismica INGV-Roma | 122502911 |
Field | Value |
---|---|
Time (UTC) | 2023-10-28 08:30:35 ± 0.12 |
Latitude | 44.0697 ± 0.0045 |
Longitude | 11.6343 ± 0.0063 |
Depth (km) | 8 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 122502911 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 400 |
Semi-minor axis of confidence ellipse (meter) | 394 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 47 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 470.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 132 |
Number of associated phases, regardless of their use for origin computation | 16 |
Number of defining phases | 16 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.22 |
Epicentral distance of station closest to the epicenter (degree) | 0.02338 |
Epicentral distance of station farthest from the epicenter (degree) | 0.50542 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.3 |
Num. used stations | 16 |
Type of magnitude | ML |
Reference to an origin | 122502911 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-10-28 08:37:32 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CRE.HHZ. | 2023-10-28T08:30:46.06 | 0.3 | undecidable | manual | P | 153 | 56.0994 | 50 | -0.14 | 89 |
IV.RINC.EHZ. | 2023-10-28T08:30:43.48 | 0.3 | undecidable | manual | S | 186 | 20.4684 | 112 | 0.07 | 97 |
IV.VISG.HHZ. | 2023-10-28T08:30:43.88 | 0.3 | undecidable | manual | S | 310 | 20.6682 | 112 | 0.39 | 90 |
IV.SEI.HHZ. | 2023-10-28T08:30:43.84 | 0.3 | undecidable | manual | S | 266 | 22.0668 | 110 | -0.09 | 96 |
IV.VMGN.HHZ. | 2023-10-28T08:30:42.04 | 0.3 | undecidable | manual | S | 212 | 15.1737 | 118 | 0.3 | 93 |
IV.MOCL.EHZ. | 2023-10-28T08:30:42.95 | 0.3 | undecidable | manual | P | 259 | 36.8298 | 50 | -0.29 | 90 |
IV.BOSL.HHZ. | 2023-10-28T08:30:41.21 | 0.3 | undecidable | manual | P | 234 | 25.8519 | 108 | 0.01 | 97 |
IV.RUFI.EHZ. | 2023-10-28T08:30:41.38 | 0.3 | undecidable | manual | P | 201 | 27.5502 | 107 | -0.15 | 94 |
IV.SEI.HHZ. | 2023-10-28T08:30:40.37 | 0.3 | undecidable | manual | P | 266 | 22.0668 | 110 | -0.11 | 96 |
IV.RINC.EHZ. | 2023-10-28T08:30:40.35 | 0.3 | undecidable | manual | P | 186 | 20.4684 | 112 | 0.17 | 95 |
IV.VISG.HHZ. | 2023-10-28T08:30:40.32 | 0.3 | undecidable | manual | P | 310 | 20.6682 | 112 | 0.09 | 96 |
IV.LMD.HHZ. | 2023-10-28T08:30:39.29 | 0.3 | undecidable | manual | S | 82 | 5.8941 | 144 | 0.03 | 100 |
IV.VMGN.HHZ. | 2023-10-28T08:30:39.43 | 0.3 | undecidable | manual | P | 212 | 15.1737 | 118 | 0.22 | 95 |
IT.MRR.HGZ. | 2023-10-28T08:30:38.16 | 0.3 | undecidable | manual | S | 256 | 2.5974 | 163 | -0.58 | 88 |
IV.LMD.HHZ. | 2023-10-28T08:30:37.97 | 0.3 | undecidable | manual | P | 82 | 5.8941 | 144 | 0.19 | 97 |
IT.MRR.HGZ. | 2023-10-28T08:30:37.34 | 0.3 | undecidable | manual | P | 256 | 2.5974 | 163 | -0.14 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LMD.HHN. | ML:1.5 | 0.000686 | 0.24 | AML | other | m | 2023-10-28T08:30:39.44 |
IV.LMD.HHE. | ML:1.6 | 0.000763 | 0.28 | AML | other | m | 2023-10-28T08:30:39.43 |
IV.VMGN.HHE. | ML:1.2 | 0.00016849999999999998 | 0.44 | AML | other | m | 2023-10-28T08:30:42.38 |
IV.VMGN.HHN. | ML:1.2 | 0.0001595 | 0.62 | AML | other | m | 2023-10-28T08:30:42.39 |
IV.SEI.HHE. | ML:1.5 | 0.0002195 | 1.62 | AML | other | m | 2023-10-28T08:30:43.95 |
IV.VISG.HHE. | ML:0.9 | 0.000055650000000000004 | 0.76 | AML | other | m | 2023-10-28T08:30:44.09 |
IV.VISG.HHN. | ML:1.1 | 0.00008415 | 0.84 | AML | other | m | 2023-10-28T08:30:44.57 |
IV.SEI.HHN. | ML:1.9 | 0.0005145 | 0.2 | AML | other | m | 2023-10-28T08:30:44.31 |
IV.RINC.EHE. | ML:1.5 | 0.0002535 | 0.66 | AML | other | m | 2023-10-28T08:30:45.41 |
IV.RINC.EHN. | ML:1.3 | 0.00015899999999999996 | 1.04 | AML | other | m | 2023-10-28T08:30:45.65 |
IV.BOSL.HHE. | ML:0.8 | 0.00003515 | 0.32 | AML | other | m | 2023-10-28T08:30:45.68 |
IV.BOSL.HHN. | ML:0.9 | 0.00004825 | 0.36 | AML | other | m | 2023-10-28T08:30:45.70 |
IV.MOCL.EHN. | ML:1.4 | 0.00009325 | 1.14 | AML | other | m | 2023-10-28T08:30:48.14 |
IV.MOCL.EHE. | ML:1.4 | 0.00010120000000000001 | 0.72 | AML | other | m | 2023-10-28T08:30:49.37 |
IV.CRE.HHE. | ML:1.5 | 0.00006275 | 0.94 | AML | other | m | 2023-10-28T08:30:54.23 |
IV.CRE.HHN. | ML:1.5 | 0.00006375 | 1.84 | AML | other | m | 2023-10-28T08:30:55.94 |