A magnitude ML 1.7 earthquake occured in region: 1 km E Marradi (FI), on
and geographic coordinates (lat, lon) 44.0720, 11.6310 at 10 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 | 16 | 799 | 7060 |
Modigliana | FC | 16 | 4560 | 11620 |
San Godenzo | FI | 16 | 1167 | 12787 |
Casola Valsenio | RA | 17 | 2617 | 15404 |
Rocca San Casciano | FC | 17 | 1910 | 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 1.7 | 2023-10-28 04:02:33 |
44.0722 | 11.6312 | 10 | 2023-10-28 04:11:29 |
Sala Sismica INGV-Roma | 122491891 |
Field | Value |
---|---|
Time (UTC) | 2023-10-28 04:02:33 ± 0.06 |
Latitude | 44.0722 ± 0.0027 |
Longitude | 11.6312 ± 0.0038 |
Depth (km) | 10 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 122491891 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 272 |
Semi-minor axis of confidence ellipse (meter) | 170 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 28 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 270.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 134 |
Number of associated phases, regardless of their use for origin computation | 31 |
Number of defining phases | 18 |
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) | 0.50812 |
Number of stations at which the event was observed | 22 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.2 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 122491891 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-10-28 04:11:29 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MRB1.HHZ. | 2023-10-28T04:04:10.37 | 3.0 | undecidable | manual | Sg | 12.29 | 0 | |||
OX.ACOM.HHZ. | 2023-10-28T04:03:54.53 | 3.0 | undecidable | manual | Sg | 6.15 | 0 | |||
IV.CAPA.HHZ. | 2023-10-28T04:03:39.28 | 3.0 | positive | manual | Pg | 15.79 | 0 | |||
IV.SALB.HHZ. | 2023-10-28T04:03:37.70 | 3.0 | undecidable | manual | Pn | -2.3 | 0 | |||
GU.SATI.HHZ. | 2023-10-28T04:03:25.43 | 3.0 | undecidable | manual | Pg | 6.56 | 0 | |||
IV.MAGA.HHZ. | 2023-10-28T04:03:24.18 | 3.0 | undecidable | manual | Sn | -3.95 | 0 | |||
IV.MRB1.HHZ. | 2023-10-28T04:03:17.71 | 3.0 | undecidable | manual | Pn | 0 | 0 | |||
IV.BSSO.HHZ. | 2023-10-28T04:03:11.16 | 3.0 | undecidable | manual | Pn | 0.32 | 0 | |||
SI.BOSI.HHZ. | 2023-10-28T04:03:10.48 | 3.0 | undecidable | manual | Pg | 1.85 | 0 | |||
IV.FRON.EHZ. | 2023-10-28T04:02:57.30 | 3.0 | undecidable | manual | Sg | 5.11 | 0 | |||
IV.VCEL.EHZ. | 2023-10-28T04:02:55.15 | 3.0 | undecidable | manual | Pn | -2.17 | 0 | |||
IV.CRTC.HHZ. | 2023-10-28T04:02:53.33 | 3.0 | undecidable | manual | Sn | -0.6 | 0 | |||
IV.CRE.HHZ. | 2023-10-28T04:02:44.13 | 0.3 | undecidable | manual | P | 153 | 56.3991 | 50 | 0.19 | 68 |
IV.RUFI.EHZ. | 2023-10-28T04:02:43.59 | 0.3 | undecidable | manual | S | 201 | 27.75 | 50 | -0.21 | 72 |
IV.BOSL.HHZ. | 2023-10-28T04:02:43.40 | 0.3 | undecidable | manual | S | 233 | 25.752 | 111 | 0.17 | 73 |
IV.SFI.EHZ. | 2023-10-28T04:02:43.22 | 0.3 | undecidable | manual | S | 137 | 25.3524 | 111 | 0.14 | 73 |
IV.RINC.EHZ. | 2023-10-28T04:02:41.60 | 0.3 | undecidable | manual | S | 185 | 20.6682 | 115 | 0 | 76 |
IV.VISG.HHZ. | 2023-10-28T04:02:41.65 | 0.3 | undecidable | manual | S | 310 | 20.3685 | 116 | 0.16 | 73 |
IV.SEI.HHZ. | 2023-10-28T04:02:41.80 | 0.1 | undecidable | manual | S | 265 | 21.867 | 114 | -0.16 | 98 |
IV.MOCL.EHZ. | 2023-10-28T04:02:40.92 | 0.6 | undecidable | manual | P | 258 | 36.6411 | 50 | 0.03 | 49 |
IV.VMGN.HHZ. | 2023-10-28T04:02:39.85 | 0.1 | undecidable | manual | S | 211 | 15.2736 | 123 | -0.09 | 100 |
IV.SFI.EHZ. | 2023-10-28T04:02:39.06 | 0.1 | undecidable | manual | P | 137 | 25.3524 | 111 | -0.04 | 99 |
IV.RUFI.EHZ. | 2023-10-28T04:02:39.39 | 0.1 | undecidable | manual | P | 201 | 27.75 | 50 | -0.13 | 97 |
IV.BOSL.HHZ. | 2023-10-28T04:02:39.24 | 0.6 | positive | manual | P | 233 | 25.752 | 111 | 0.05 | 50 |
IV.SEI.HHZ. | 2023-10-28T04:02:38.35 | 0.1 | negative | manual | P | 265 | 21.867 | 114 | -0.1 | 99 |
IV.RINC.EHZ. | 2023-10-28T04:02:38.45 | 0.3 | undecidable | manual | P | 185 | 20.6682 | 115 | 0.2 | 73 |
IV.FNVD.HHZ. | 2023-10-28T04:02:38.85 | 3.0 | negative | manual | P | -2.01 | 0 | |||
IV.VISG.HHZ. | 2023-10-28T04:02:38.25 | 0.1 | undecidable | manual | P | 310 | 20.3685 | 116 | 0.07 | 100 |
IV.LMD.HHZ. | 2023-10-28T04:02:37.45 | 0.1 | undecidable | manual | S | 84 | 6.0939 | 148 | -0.22 | 99 |
IV.VMGN.HHZ. | 2023-10-28T04:02:37.45 | 0.1 | positive | manual | P | 211 | 15.2736 | 123 | 0.16 | 99 |
IV.LMD.HHZ. | 2023-10-28T04:02:35.99 | 1.0 | undecidable | manual | P | 84 | 6.0939 | 148 | 0.02 | 26 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VMGN.HHE. | ML:1.7 | 0.0004975 | 0.38 | AML | other | m | 2023-10-28T04:02:40.40 |
IV.VMGN.HHN. | ML:1.8 | 0.0005915 | 0.4 | AML | other | m | 2023-10-28T04:02:40.42 |
IV.RINC.EHE. | ML:1.8 | 0.0004715 | 0.2 | AML | other | m | 2023-10-28T04:02:41.71 |
IV.RINC.EHN. | ML:1.9 | 0.0005705 | 0.7 | AML | other | m | 2023-10-28T04:02:42.63 |
IV.VISG.HHE. | ML:1.5 | 0.00023199999999999997 | 0.18 | AML | other | m | 2023-10-28T04:02:42.60 |
IV.VISG.HHN. | ML:1.6 | 0.000273 | 0.14 | AML | other | m | 2023-10-28T04:02:42.91 |
IV.BOSL.HHN. | ML:1.5 | 0.0001785 | 0.4 | AML | other | m | 2023-10-28T04:02:43.66 |
IV.BOSL.HHE. | ML:1.5 | 0.00016949999999999997 | 0.86 | AML | other | m | 2023-10-28T04:02:43.67 |
IV.SFI.EHE. | ML:1.7 | 0.00029049999999999996 | 0.58 | AML | other | m | 2023-10-28T04:02:44.41 |
IV.SFI.EHN. | ML:1.6 | 0.000244 | 0.82 | AML | other | m | 2023-10-28T04:02:44.68 |
IV.MOCL.EHN. | ML:2.1 | 0.000446 | 1.14 | AML | other | m | 2023-10-28T04:02:46.69 |
IV.MOCL.EHE. | ML:1.8 | 0.0002145 | 0.62 | AML | other | m | 2023-10-28T04:02:47.67 |
IV.CRE.HHE. | ML:1.6 | 0.00008649999999999999 | 0.26 | AML | other | m | 2023-10-28T04:02:52.81 |
IV.CRE.HHN. | ML:1.8 | 0.00014150000000000002 | 0.28 | AML | other | m | 2023-10-28T04:02:53.14 |