A magnitude ML 1.0 earthquake occured in region: 1 km SE Marradi (FI), on
and geographic coordinates (lat, lon) 44.0680, 11.6220 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 | 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 | 17 | 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 1.0 | 2023-10-28 05:30:34 |
44.0683 | 11.6222 | 6 | 2023-10-28 05:43:07 |
Sala Sismica INGV-Roma | 122496051 |
Field | Value |
---|---|
Time (UTC) | 2023-10-28 05:30:34 ± 0.11 |
Latitude | 44.0683 ± 0.0027 |
Longitude | 11.6222 ± 0.0038 |
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 | 122496051 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 308 |
Semi-minor axis of confidence ellipse (meter) | 190 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 309 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 310.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 129 |
Number of associated phases, regardless of their use for origin computation | 27 |
Number of defining phases | 16 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.16 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.24372 |
Number of stations at which the event was observed | 18 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.3 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 122496051 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-10-28 05:43:07 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.AGLI.HHZ. | 2023-10-28T05:32:16.62 | 3.0 | undecidable | manual | Sg | 13.05 | 0 | |||
IV.AGST.EHZ. | 2023-10-28T05:32:04.93 | 3.0 | positive | manual | Pn | 4.08 | 0 | |||
IV.PAOL.HHZ. | 2023-10-28T05:32:04.61 | 3.0 | undecidable | manual | Sg | 13.49 | 0 | |||
IV.MCRV.HHZ. | 2023-10-28T05:32:01.37 | 3.0 | undecidable | manual | Sn | 0.17 | 0 | |||
IV.EPOZ.HHZ. | 2023-10-28T05:31:59.93 | 3.0 | positive | manual | Pn | 4.64 | 0 | |||
IV.MCRV.HHZ. | 2023-10-28T05:31:31.92 | 3.0 | undecidable | manual | Pg | 16 | 0 | |||
IV.FIAM.HHZ. | 2023-10-28T05:31:16.57 | 3.0 | undecidable | manual | Sg | 0.57 | 0 | |||
IV.MRB1.HHZ. | 2023-10-28T05:31:10.31 | 3.0 | undecidable | manual | Pn | -0.65 | 0 | |||
IV.LRP.EHZ. | 2023-10-28T05:31:03.88 | 3.0 | positive | manual | Pg | 4.59 | 0 | |||
IV.RNI2.HHZ. | 2023-10-28T05:31:00.24 | 3.0 | undecidable | manual | Pn | -0.22 | 0 | |||
IV.BAG8.EHZ. | 2023-10-28T05:30:55.46 | 3.0 | negative | manual | Pn | 0.83 | 0 | |||
IV.RUFI.EHE. | 2023-10-28T05:30:44.40 | 0.1 | undecidable | manual | S | 199 | 27.0507 | 103 | -0.05 | 96 |
IV.BOSL.HHE. | 2023-10-28T05:30:43.93 | 0.1 | undecidable | manual | S | 232 | 24.9528 | 104 | 0.19 | 94 |
IV.SEI.HHZ. | 2023-10-28T05:30:42.44 | 0.3 | undecidable | manual | S | 266 | 21.0678 | 107 | 0.01 | 73 |
IV.VISG.HHZ. | 2023-10-28T05:30:42.29 | 0.3 | undecidable | manual | S | 312 | 20.0688 | 108 | 0.19 | 71 |
IV.RINC.EHZ. | 2023-10-28T05:30:42.24 | 0.3 | undecidable | manual | S | 183 | 20.1687 | 107 | 0.09 | 72 |
IV.RUFI.EHE. | 2023-10-28T05:30:40.11 | 0.1 | undecidable | manual | P | 199 | 27.0507 | 103 | -0.26 | 92 |
IV.VMGN.HHN. | 2023-10-28T05:30:40.53 | 0.3 | undecidable | manual | S | 209 | 14.4744 | 114 | 0.24 | 71 |
IV.SEI.HHZ. | 2023-10-28T05:30:39.03 | 0.1 | undecidable | manual | P | 266 | 21.0678 | 107 | -0.18 | 95 |
IV.BOSL.HHE. | 2023-10-28T05:30:39.97 | 1.0 | undecidable | manual | P | 232 | 24.9528 | 104 | 0.01 | 24 |
IV.RINC.EHZ. | 2023-10-28T05:30:38.85 | 0.3 | undecidable | manual | P | 183 | 20.1687 | 107 | -0.19 | 71 |
IV.VISG.HHZ. | 2023-10-28T05:30:38.99 | 0.1 | undecidable | manual | P | 312 | 20.0688 | 108 | -0.03 | 98 |
IV.LMD.HHZ. | 2023-10-28T05:30:38.20 | 0.1 | undecidable | manual | S | 81 | 6.8931 | 133 | 0.16 | 97 |
IV.VMGN.HHN. | 2023-10-28T05:30:38.10 | 0.1 | undecidable | manual | P | 209 | 14.4744 | 114 | 0.13 | 97 |
IV.LMD.HHZ. | 2023-10-28T05:30:36.72 | 0.1 | undecidable | manual | P | 81 | 6.8931 | 133 | 0.05 | 100 |
IT.MRR.HGZ. | 2023-10-28T05:30:36.87 | 0.1 | undecidable | manual | S | 253 | 1.5984 | 166 | -0.2 | 97 |
IT.MRR.HGZ. | 2023-10-28T05:30:36.04 | 0.1 | undecidable | manual | P | 253 | 1.5984 | 166 | -0.07 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LMD.HHN. | ML:1.1 | 0.0002165 | 0.14 | AML | other | m | 2023-10-28T05:30:38.28 |
IV.LMD.HHE. | ML:0.8 | 0.00008905000000000001 | 0.28 | AML | other | m | 2023-10-28T05:30:38.40 |
IV.SEI.HHE. | ML:0.8 | 0.00004617872 | 0.5408 | AML | other | m | 2023-10-28T05:30:43.37 |
IV.SEI.HHN. | ML:1.1 | 0.00009978141 | 0.2208 | AML | other | m | 2023-10-28T05:30:42.86 |