A magnitude ML 1.3 earthquake occured in region: 2 km S Marradi (FI), on
and geographic coordinates (lat, lon) 44.0630, 11.6190 at 6 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 | 10 | 1212 | 5505 |
Portico e San Benedetto | FC | 14 | 756 | 6261 |
San Godenzo | FI | 15 | 1167 | 7428 |
Premilcuore | FC | 16 | 799 | 8227 |
Modigliana | FC | 18 | 4560 | 12787 |
Rocca San Casciano | FC | 18 | 1910 | 14697 |
Casola Valsenio | RA | 18 | 2617 | 17314 |
Vicchio | FI | 19 | 8044 | 25358 |
Castel del Rio | BO | 19 | 1246 | 26604 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.3 | 2023-10-28 08:46:42 |
44.063 | 11.6187 | 6 | 2023-10-28 08:51:08 |
Sala Sismica INGV-Roma | 122503701 |
Field | Value |
---|---|
Time (UTC) | 2023-10-28 08:46:42 ± 0.11 |
Latitude | 44.0630 ± 0.0036 |
Longitude | 11.6187 ± 0.0050 |
Depth (km) | 6 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 122503701 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 408 |
Semi-minor axis of confidence ellipse (meter) | 137 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 318 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 410.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 106 |
Number of associated phases, regardless of their use for origin computation | 17 |
Number of defining phases | 17 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.01079 |
Epicentral distance of station farthest from the epicenter (degree) | 0.32016 |
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 | 12 |
Type of magnitude | ML |
Reference to an origin | 122503701 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-10-28 08:51:08 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.VISG.HHZ. | 2023-10-28T08:46:50.32 | 0.3 | undecidable | manual | S | 314 | 20.2686 | 107 | 0.24 | 93 |
IV.SEI.HHZ. | 2023-10-28T08:46:50.35 | 0.3 | undecidable | manual | S | 267 | 20.7681 | 106 | 0.11 | 96 |
IV.RINC.EHZ. | 2023-10-28T08:46:49.97 | 0.3 | undecidable | manual | S | 183 | 19.5693 | 107 | 0.11 | 96 |
IV.MOCL.EHZ. | 2023-10-28T08:46:49.54 | 0.3 | undecidable | manual | P | 260 | 35.5422 | 100 | -0.41 | 87 |
IT.MOG.HNZ. | 2023-10-28T08:46:49.31 | 0.3 | undecidable | manual | S | 45 | 16.7721 | 110 | 0.39 | 91 |
IV.VMGN.HHZ. | 2023-10-28T08:46:48.32 | 0.3 | undecidable | manual | S | 210 | 13.875 | 114 | 0.33 | 92 |
IV.BOSL.HHZ. | 2023-10-28T08:46:47.72 | 0.3 | undecidable | manual | P | 233 | 24.3534 | 104 | -0.05 | 96 |
IV.RUFI.EHZ. | 2023-10-28T08:46:47.89 | 0.3 | undecidable | manual | P | 199 | 26.4513 | 103 | -0.28 | 91 |
IV.SEI.HHZ. | 2023-10-28T08:46:46.89 | 0.3 | undecidable | manual | P | 267 | 20.7681 | 106 | -0.18 | 94 |
IV.RINC.EHZ. | 2023-10-28T08:46:46.95 | 0.3 | undecidable | manual | P | 183 | 19.5693 | 107 | 0.1 | 96 |
IV.VISG.HHZ. | 2023-10-28T08:46:46.92 | 0.3 | undecidable | manual | P | 314 | 20.2686 | 107 | -0.05 | 97 |
IT.MOG.HNZ. | 2023-10-28T08:46:46.28 | 0.3 | undecidable | manual | P | 45 | 16.7721 | 110 | -0.03 | 98 |
IV.VMGN.HHZ. | 2023-10-28T08:46:45.98 | 0.3 | undecidable | manual | P | 210 | 13.875 | 114 | 0.22 | 95 |
IV.LMD.HHZ. | 2023-10-28T08:46:45.85 | 0.3 | undecidable | manual | S | 77 | 7.1928 | 130 | -0.17 | 97 |
IV.LMD.HHZ. | 2023-10-28T08:46:44.49 | 0.3 | undecidable | manual | P | 77 | 7.1928 | 130 | -0.14 | 97 |
IT.MRR.HGZ. | 2023-10-28T08:46:44.77 | 0.3 | undecidable | manual | S | 276 | 1.1988 | 169 | -0.13 | 98 |
IT.MRR.HGZ. | 2023-10-28T08:46:43.93 | 0.3 | undecidable | manual | P | 276 | 1.1988 | 169 | -0.05 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VMGN.HHE. | ML:1.2 | 0.00020150000000000002 | 0.38 | AML | other | m | 2023-10-28T08:46:48.91 |
IV.VMGN.HHN. | ML:1.2 | 0.00020800000000000001 | 0.4 | AML | other | m | 2023-10-28T08:46:48.74 |
IV.RINC.EHN. | ML:1.3 | 0.00017549999999999998 | 1.18 | AML | other | m | 2023-10-28T08:46:50.15 |
IV.SEI.HHE. | ML:1.6 | 0.0003255 | 1.4 | AML | other | m | 2023-10-28T08:46:50.77 |
IV.SEI.HHN. | ML:2.0 | 0.0007645 | 0.26 | AML | other | m | 2023-10-28T08:46:50.82 |
IV.VISG.HHN. | ML:1.1 | 0.00010439999999999999 | 0.72 | AML | other | m | 2023-10-28T08:46:50.51 |
IV.RINC.EHE. | ML:1.4 | 0.00020250000000000002 | 0.68 | AML | other | m | 2023-10-28T08:46:51.94 |
IV.VISG.HHE. | ML:1.0 | 0.00006860000000000001 | 0.44 | AML | other | m | 2023-10-28T08:46:51.60 |
IV.BOSL.HHE. | ML:0.8 | 0.00004745000000000001 | 0.28 | AML | other | m | 2023-10-28T08:46:52.22 |
IV.BOSL.HHN. | ML:1.1 | 0.00007630000000000001 | 0.34 | AML | other | m | 2023-10-28T08:46:52.23 |
IV.MOCL.EHE. | ML:1.3 | 0.00007432035 | 0.1152 | AML | other | m | 2023-10-28T08:46:55.36 |
IV.MOCL.EHN. | ML:1.4 | 0.0001016793 | 0.1024 | AML | other | m | 2023-10-28T08:46:55.72 |