A magnitude ML 1.3 earthquake occured in region: 1 km SE Marradi (FI), on
and geographic coordinates (lat, lon) 44.0670, 11.6210 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 | 1 | 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 | 16 | 1167 | 7428 |
Premilcuore | FC | 16 | 799 | 8227 |
Modigliana | FC | 17 | 4560 | 12787 |
Casola Valsenio | RA | 18 | 2617 | 15404 |
Rocca San Casciano | FC | 18 | 1910 | 17314 |
Castel del Rio | BO | 19 | 1246 | 18560 |
Vicchio | FI | 19 | 8044 | 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 03:28:30 |
44.067 | 11.6212 | 8 | 2023-10-28 03:34:09 |
Sala Sismica INGV-Roma | 122489051 |
Field | Value |
---|---|
Time (UTC) | 2023-10-28 03:28:30 ± 0.09 |
Latitude | 44.0670 ± 0.0027 |
Longitude | 11.6212 ± 0.0038 |
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 | 122489051 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 334 |
Semi-minor axis of confidence ellipse (meter) | 105 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 222 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 330.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 93 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 20 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.19 |
Epicentral distance of station closest to the epicenter (degree) | 0.01349 |
Epicentral distance of station farthest from the epicenter (degree) | 0.50722 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 122489051 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-10-28 03:34:09 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CRE.HHZ. | 2023-10-28T03:28:40.69 | 0.3 | undecidable | manual | P | 152 | 56.2992 | 50 | -0.31 | 64 |
IV.RUFI.EHZ. | 2023-10-28T03:28:39.97 | 0.3 | undecidable | manual | S | 199 | 26.9508 | 106 | -0.18 | 70 |
IV.SFI.EHZ. | 2023-10-28T03:28:39.59 | 0.3 | undecidable | manual | S | 135 | 25.4523 | 106 | -0.08 | 72 |
IV.VISG.HHZ. | 2023-10-28T03:28:38.05 | 0.1 | undecidable | manual | S | 312 | 20.0688 | 110 | 0.15 | 95 |
IV.SEI.HHZ. | 2023-10-28T03:28:38.06 | 0.3 | undecidable | manual | S | 266 | 20.9679 | 110 | -0.12 | 72 |
IV.RINC.EHZ. | 2023-10-28T03:28:38.17 | 0.3 | undecidable | manual | S | 183 | 20.0688 | 111 | 0.29 | 69 |
IV.MOCL.EHZ. | 2023-10-28T03:28:37.48 | 0.3 | undecidable | manual | P | 259 | 35.742 | 102 | -0.29 | 67 |
IV.VMGN.HHZ. | 2023-10-28T03:28:36.41 | 0.3 | undecidable | manual | S | 209 | 14.3745 | 118 | 0.35 | 69 |
IV.SFI.EHZ. | 2023-10-28T03:28:35.67 | 0.1 | negative | manual | P | 135 | 25.4523 | 106 | -0.1 | 95 |
IV.RUFI.EHZ. | 2023-10-28T03:28:35.93 | 0.6 | positive | manual | P | 199 | 26.9508 | 106 | -0.12 | 47 |
IV.BOSL.HHZ. | 2023-10-28T03:28:35.76 | 0.3 | undecidable | manual | P | 233 | 24.8529 | 107 | 0.12 | 71 |
IV.SEI.HHZ. | 2023-10-28T03:28:34.88 | 0.6 | positive | manual | P | 266 | 20.9679 | 110 | -0.03 | 49 |
IV.RINC.EHZ. | 2023-10-28T03:28:34.76 | 0.3 | undecidable | manual | P | 183 | 20.0688 | 111 | 0.02 | 73 |
IV.LMD.HHZ. | 2023-10-28T03:28:34.01 | 0.3 | undecidable | manual | S | 80 | 6.993 | 137 | 0.01 | 75 |
IT.MOG.HNZ. | 2023-10-28T03:28:34.31 | 0.1 | undecidable | manual | P | 45 | 16.2726 | 115 | 0.26 | 93 |
IV.VISG.HHZ. | 2023-10-28T03:28:34.73 | 0.1 | undecidable | manual | P | 312 | 20.0688 | 110 | -0.02 | 98 |
IV.VMGN.HHZ. | 2023-10-28T03:28:33.95 | 0.1 | undecidable | manual | P | 209 | 14.3745 | 118 | 0.26 | 94 |
IV.LMD.HHZ. | 2023-10-28T03:28:32.54 | 0.1 | undecidable | manual | P | 80 | 6.993 | 137 | 0.04 | 99 |
IT.MRR.HGZ. | 2023-10-28T03:28:32.77 | 0.1 | undecidable | manual | S | 257 | 1.4985 | 169 | -0.33 | 94 |
IT.MRR.HGZ. | 2023-10-28T03:28:31.93 | 0.1 | undecidable | manual | P | 257 | 1.4985 | 169 | -0.05 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VMGN.HHE. | ML:1.2 | 0.0001685 | 0.42 | AML | other | m | 2023-10-28T03:28:36.94 |
IV.VMGN.HHN. | ML:1.3 | 0.00020600000000000002 | 0.4 | AML | other | m | 2023-10-28T03:28:36.94 |
IV.VISG.HHN. | ML:1.3 | 0.000154 | 1.16 | AML | other | m | 2023-10-28T03:28:38.39 |
IV.VISG.HHE. | ML:1.1 | 0.000096 | 0.88 | AML | other | m | 2023-10-28T03:28:38.48 |
IV.SFI.EHE. | ML:1.6 | 0.00021650000000000003 | 0.16 | AML | other | m | 2023-10-28T03:28:39.82 |
IV.SFI.EHN. | ML:1.5 | 0.0001955 | 1.46 | AML | other | m | 2023-10-28T03:28:39.16 |