A magnitude ML 1.4 earthquake occured in region: 3 km NW Marradi (FI), on
and geographic coordinates (lat, lon) 44.0890, 11.5870 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 | 3 | 3139 | 3139 |
Palazzuolo sul Senio | FI | 4 | 1154 | 4293 |
Tredozio | FC | 13 | 1212 | 5505 |
Castel del Rio | BO | 15 | 1246 | 6751 |
Casola Valsenio | RA | 15 | 2617 | 9368 |
Firenzuola | FI | 17 | 4726 | 14094 |
Portico e San Benedetto | FC | 17 | 756 | 14850 |
San Godenzo | FI | 18 | 1167 | 16017 |
Modigliana | FC | 18 | 4560 | 20577 |
Fontanelice | BO | 19 | 1943 | 22520 |
Premilcuore | FC | 20 | 799 | 23319 |
Vicchio | FI | 20 | 8044 | 31363 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.4 | 2023-10-12 15:49:43 |
44.0892 | 11.5867 | 8 | 2023-10-12 15:56:40 |
Sala Sismica INGV-Roma | 122020701 |
Field | Value |
---|---|
Time (UTC) | 2023-10-12 15:49:43 ± 0.08 |
Latitude | 44.0892 ± 0.0036 |
Longitude | 11.5867 ± 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 | 122020701 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 389 |
Semi-minor axis of confidence ellipse (meter) | 66 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 181 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 390.0 |
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 | 29 |
Number of defining phases | 25 |
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) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.53869 |
Number of stations at which the event was observed | 16 |
Number of stations from which data was used for origin computation | 13 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.3 |
Num. used stations | 16 |
Type of magnitude | ML |
Reference to an origin | 122020701 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-10-12 15:56:40 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.BAG8.EHZ. | 2023-10-12T15:50:38.58 | 3.0 | undecidable | manual | Sn | -2.13 | 0 | |||
IV.PTCC.HHZ. | 2023-10-12T15:50:28.40 | 3.0 | undecidable | manual | Pg | 3.87 | 0 | |||
IV.BAG8.HNZ. | 2023-10-12T15:50:15.15 | 3.0 | negative | manual | Pn | 0.09 | 0 | |||
IV.FDMO.HHZ. | 2023-10-12T15:50:10.33 | 3.0 | positive | manual | P | 0.01 | 0 | |||
IV.CRE.HHZ. | 2023-10-12T15:50:02.79 | 0.6 | undecidable | manual | S | 151 | 59.7957 | 50 | 0.4 | 43 |
IV.MOCL.EHZ. | 2023-10-12T15:49:55.14 | 0.6 | undecidable | manual | S | 254 | 33.6441 | 103 | -0.11 | 48 |
IV.CRE.HHZ. | 2023-10-12T15:49:53.92 | 1.0 | positive | manual | P | 151 | 59.7957 | 50 | -0.38 | 22 |
IV.RUFI.EHZ. | 2023-10-12T15:49:53.39 | 0.6 | undecidable | manual | S | 192 | 28.5492 | 105 | -0.12 | 48 |
IV.SFI.HNN. | 2023-10-12T15:49:53.67 | 0.6 | undecidable | manual | S | 134 | 29.1486 | 105 | -0.05 | 49 |
IV.BOSL.HHZ. | 2023-10-12T15:49:52.37 | 0.6 | undecidable | manual | S | 224 | 24.3534 | 108 | 0.23 | 47 |
IV.RINC.EHZ. | 2023-10-12T15:49:51.72 | 0.6 | undecidable | manual | S | 176 | 22.5552 | 109 | 0.19 | 48 |
IT.MOG.HNZ. | 2023-10-12T15:49:50.22 | 0.6 | undecidable | manual | S | 58 | 16.9719 | 115 | 0.49 | 45 |
IV.SEI.HHZ. | 2023-10-12T15:49:50.34 | 0.6 | undecidable | manual | S | 258 | 18.5703 | 113 | 0.09 | 49 |
IV.FNVD.HHZ. | 2023-10-12T15:49:50.61 | 0.1 | undecidable | manual | P | 283 | 37.9287 | 50 | -0.32 | 91 |
IV.SFI.HNN. | 2023-10-12T15:49:49.04 | 0.1 | undecidable | manual | P | 134 | 29.1486 | 105 | -0.26 | 94 |
IV.MOCL.EHZ. | 2023-10-12T15:49:49.96 | 0.3 | undecidable | manual | P | 254 | 33.6441 | 103 | -0.22 | 70 |
IV.VISG.HHZ. | 2023-10-12T15:49:49.77 | 0.6 | undecidable | manual | S | 312 | 16.3725 | 115 | 0.21 | 48 |
IV.VMGN.HHZ. | 2023-10-12T15:49:49.70 | 0.6 | undecidable | manual | S | 196 | 15.5733 | 117 | 0.41 | 46 |
IV.RUFI.EHZ. | 2023-10-12T15:49:48.99 | 0.3 | undecidable | manual | P | 192 | 28.5492 | 105 | -0.19 | 71 |
IV.BOSL.HHZ. | 2023-10-12T15:49:48.56 | 0.6 | positive | manual | P | 224 | 24.3534 | 108 | 0.18 | 48 |
IV.RINC.EHZ. | 2023-10-12T15:49:48.10 | 1.0 | positive | manual | P | 176 | 22.5552 | 109 | 0.07 | 25 |
IV.LMD.HHZ. | 2023-10-12T15:49:47.37 | 0.6 | undecidable | manual | S | 98 | 9.6792 | 129 | -0.2 | 49 |
IT.MOG.HNZ. | 2023-10-12T15:49:47.17 | 0.1 | undecidable | manual | P | 58 | 16.9719 | 115 | 0.18 | 97 |
IV.SEI.HHZ. | 2023-10-12T15:49:47.36 | 0.1 | undecidable | manual | P | 258 | 18.5703 | 113 | 0.07 | 99 |
IV.VISG.HHZ. | 2023-10-12T15:49:46.93 | 0.6 | undecidable | manual | P | 312 | 16.3725 | 115 | 0.04 | 50 |
IV.VMGN.HHZ. | 2023-10-12T15:49:46.99 | 0.1 | undecidable | manual | P | 196 | 15.5733 | 117 | 0.25 | 96 |
IT.MRR.HGE. | 2023-10-12T15:49:45.67 | 0.6 | undecidable | manual | S | 154 | 3.0969 | 159 | -0.49 | 46 |
IV.LMD.HHZ. | 2023-10-12T15:49:45.65 | 1.0 | undecidable | manual | P | 98 | 9.6792 | 129 | -0.1 | 25 |
IT.MRR.HGE. | 2023-10-12T15:49:44.78 | 0.1 | undecidable | manual | P | 154 | 3.0969 | 159 | -0.15 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VMGN.HHE. | ML:1.2 | 0.000174 | 0.48 | AML | other | m | 2023-10-12T15:49:50.21 |
IV.VMGN.HHN. | ML:1.3 | 0.00019 | 0.42 | AML | other | m | 2023-10-12T15:49:50.22 |
IV.VISG.HHN. | ML:1.4 | 0.0002475 | 0.1 | AML | other | m | 2023-10-12T15:49:50.48 |
IV.VISG.HHE. | ML:1.3 | 0.0001885 | 0.16 | AML | other | m | 2023-10-12T15:49:50.57 |
IV.SEI.HHE. | ML:1.8 | 0.0005835 | 0.32 | AML | other | m | 2023-10-12T15:49:50.97 |
IV.SEI.HHN. | ML:2.1 | 0.001175 | 0.2 | AML | other | m | 2023-10-12T15:49:51.04 |
IV.BOSL.HHE. | ML:0.9 | 0.0000538 | 0.22 | AML | other | m | 2023-10-12T15:49:52.89 |
IV.BOSL.HHN. | ML:1.0 | 0.0000649 | 0.3 | AML | other | m | 2023-10-12T15:49:53.11 |
IV.RINC.EHN. | ML:1.5 | 0.00022250000000000001 | 1.16 | AML | other | m | 2023-10-12T15:49:53.74 |
IV.RINC.EHE. | ML:1.6 | 0.0002485 | 1.08 | AML | other | m | 2023-10-12T15:49:53.27 |
IV.MOCL.EHE. | ML:1.3 | 0.0000783 | 0.22 | AML | other | m | 2023-10-12T15:49:55.40 |
IV.MOCL.EHN. | ML:1.4 | 0.00011015 | 0.18 | AML | other | m | 2023-10-12T15:49:55.49 |
IV.FNVD.HHE. | ML:1.4 | 0.0000843 | 0.38 | AML | other | m | 2023-10-12T15:49:57.38 |
IV.FNVD.HHN. | ML:0.9 | 0.0000322 | 0.88 | AML | other | m | 2023-10-12T15:49:59.61 |
IV.CRE.HHN. | ML:1.5 | 0.000059149999999999994 | 0.24 | AML | other | m | 2023-10-12T15:50:03.13 |
IV.CRE.HHE. | ML:1.3 | 0.00003825000000000001 | 1.36 | AML | other | m | 2023-10-12T15:50:03.18 |