A magnitude ML 0.8 earthquake occured in region: 2 km SW Marradi (FI), on
and geographic coordinates (lat, lon) 44.0620, 11.6000 at 7 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 | 7 | 1154 | 4293 |
Tredozio | FC | 12 | 1212 | 5505 |
Portico e San Benedetto | FC | 15 | 756 | 6261 |
San Godenzo | FI | 15 | 1167 | 7428 |
Premilcuore | FC | 17 | 799 | 8227 |
Vicchio | FI | 18 | 8044 | 16271 |
Casola Valsenio | RA | 18 | 2617 | 18888 |
Castel del Rio | BO | 19 | 1246 | 20134 |
Modigliana | FC | 19 | 4560 | 24694 |
Firenzuola | FI | 19 | 4726 | 29420 |
Rocca San Casciano | FC | 19 | 1910 | 31330 |
Dicomano | FI | 20 | 5515 | 36845 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2023-09-18 17:20:03 |
44.0617 | 11.6002 | 7 | 2023-09-18 17:27:16 |
Sala Sismica INGV-Roma | 121200041 |
Field | Value |
---|---|
Time (UTC) | 2023-09-18 17:20:03 ± 0.11 |
Latitude | 44.0617 ± 0.0027 |
Longitude | 11.6002 ± 0.0038 |
Depth (km) | 7 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 121200041 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 318 |
Semi-minor axis of confidence ellipse (meter) | 95 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 302 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 320.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 100 |
Number of associated phases, regardless of their use for origin computation | 47 |
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) | 0.23292 |
Number of stations at which the event was observed | 35 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.2 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 121200041 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-18 17:27:16 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ESCV.HHN. | 2023-09-18T17:21:54.48 | 3.0 | positive | manual | Pg | 15.29 | 0 | |||
IX.CMP3.EHE.02 | 2023-09-18T17:21:50.22 | 3.0 | undecidable | manual | Sn | -5.27 | 0 | |||
IV.CORL.HHZ. | 2023-09-18T17:21:46.09 | 3.0 | positive | manual | Pg | 12.7 | 0 | |||
IV.GRI.EHZ. | 2023-09-18T17:21:45.00 | 3.0 | undecidable | manual | Pg | 12.15 | 0 | |||
IV.ERC.EHN. | 2023-09-18T17:21:44.11 | 3.0 | undecidable | manual | Pg | 13.59 | 0 | |||
IV.GIZZ.HHE. | 2023-09-18T17:21:41.64 | 3.0 | undecidable | manual | Pg | 11.81 | 0 | |||
AC.VLO.HHE. | 2023-09-18T17:21:39.49 | 3.0 | negative | manual | Pn | 1.19 | 0 | |||
OT.OT17.EHE. | 2023-09-18T17:21:39.97 | 3.0 | undecidable | manual | Sn | 1.14 | 0 | |||
IV.IOCA.HHN. | 2023-09-18T17:21:37.69 | 3.0 | undecidable | manual | Sn | -5.64 | 0 | |||
CR.ZAG.BHN. | 2023-09-18T17:21:35.44 | 3.0 | undecidable | manual | Sn | 3.07 | 0 | |||
IV.GMB1.HHZ. | 2023-09-18T17:21:34.58 | 3.0 | positive | manual | Pn | -3.14 | 0 | |||
IV.ILOS.HHZ. | 2023-09-18T17:21:32.34 | 3.0 | negative | manual | Pn | 1.72 | 0 | |||
GU.SATI.HHE. | 2023-09-18T17:21:30.05 | 3.0 | undecidable | manual | Sn | -2.73 | 0 | |||
IV.SPS2.HHZ. | 2023-09-18T17:21:22.81 | 3.0 | negative | manual | Pn | -4.11 | 0 | |||
IV.PZUN.HHN. | 2023-09-18T17:21:18.89 | 3.0 | negative | manual | Pg | 10.43 | 0 | |||
IX.CMP3.EHZ.02 | 2023-09-18T17:21:06.21 | 3.0 | negative | manual | Pn | 2.19 | 0 | |||
GU.GENL.EHN. | 2023-09-18T17:21:05.89 | 3.0 | undecidable | manual | Sn | 2.27 | 0 | |||
IV.IOCA.HHE. | 2023-09-18T17:21:02.76 | 3.0 | undecidable | manual | Pg | 5.57 | 0 | |||
IV.TOLF.HHN. | 2023-09-18T17:20:58.76 | 3.0 | undecidable | manual | Sn | -5.18 | 0 | |||
4P.IT07A.HHZ. | 2023-09-18T17:20:55.64 | 3.0 | undecidable | manual | Sg | 4.14 | 0 | |||
GU.SATI.HHE. | 2023-09-18T17:20:53.81 | 3.0 | undecidable | manual | Pn | 2.55 | 0 | |||
IV.CADC.EHZ. | 2023-09-18T17:20:52.70 | 3.0 | undecidable | manual | Sn | -2.5 | 0 | |||
IV.MSSA.HHE. | 2023-09-18T17:20:50.82 | 3.0 | undecidable | manual | Sn | -3.08 | 0 | |||
IV.VIVA.HHE. | 2023-09-18T17:20:43.18 | 3.0 | undecidable | manual | Pg | 2.76 | 0 | |||
ZO.PDN2.EHE. | 2023-09-18T17:20:41.56 | 3.0 | undecidable | manual | S | -6.42 | 0 | |||
GU.ROTM.HHN. | 2023-09-18T17:20:40.38 | 3.0 | positive | manual | Pn | -1.41 | 0 | |||
IV.ARVD.HHZ. | 2023-09-18T17:20:33.91 | 3.0 | undecidable | manual | S | -1.77 | 0 | |||
IV.GAVE.EHZ. | 2023-09-18T17:20:26.06 | 3.0 | positive | manual | Pn | -2.53 | 0 | |||
IV.MTRZ.HHE. | 2023-09-18T17:20:13.59 | 3.0 | undecidable | manual | S | 0.8 | 0 | |||
IV.RUFI.EHZ. | 2023-09-18T17:20:12.28 | 0.3 | undecidable | manual | S | 196 | 25.8519 | 106 | -0.18 | 70 |
IV.RINC.EHN. | 2023-09-18T17:20:10.43 | 0.3 | undecidable | manual | S | 178 | 19.4694 | 111 | 0.08 | 73 |
IT.MOG.HNE. | 2023-09-18T17:20:10.18 | 0.3 | undecidable | manual | S | 48 | 17.9709 | 112 | 0.31 | 69 |
IV.PE3.EHZ. | 2023-09-18T17:20:10.67 | 3.0 | undecidable | manual | P | -1.76 | 0 | |||
IV.SEI.HHZ. | 2023-09-18T17:20:10.34 | 0.3 | undecidable | manual | S | 268 | 19.2696 | 111 | 0.04 | 73 |
IV.VISG.HHE. | 2023-09-18T17:20:10.36 | 0.3 | undecidable | manual | S | 317 | 19.3695 | 111 | 0.04 | 73 |
IV.RUFI.EHZ. | 2023-09-18T17:20:08.25 | 0.6 | positive | manual | P | 196 | 25.8519 | 106 | -0.28 | 46 |
IV.VMGN.HHZ. | 2023-09-18T17:20:08.68 | 0.3 | undecidable | manual | S | 204 | 13.0758 | 119 | 0.35 | 70 |
IV.SEI.HHZ. | 2023-09-18T17:20:07.10 | 0.6 | positive | manual | P | 268 | 19.2696 | 111 | -0.17 | 48 |
IV.VISG.HHE. | 2023-09-18T17:20:07.23 | 0.3 | undecidable | manual | P | 317 | 19.3695 | 111 | -0.06 | 73 |
IV.RINC.EHN. | 2023-09-18T17:20:07.31 | 0.3 | undecidable | manual | P | 178 | 19.4694 | 111 | 0 | 74 |
IT.MOG.HNE. | 2023-09-18T17:20:07.05 | 0.3 | undecidable | manual | P | 48 | 17.9709 | 112 | 0.02 | 74 |
IV.LMD.HHZ. | 2023-09-18T17:20:07.02 | 0.3 | undecidable | manual | S | 78 | 8.6802 | 130 | -0.07 | 74 |
IV.MTRZ.HHN. | 2023-09-18T17:20:06.21 | 3.0 | positive | manual | P | -0.11 | 0 | |||
IV.VMGN.HHZ. | 2023-09-18T17:20:06.33 | 0.3 | positive | manual | P | 204 | 13.0758 | 119 | 0.19 | 72 |
IV.LMD.HHZ. | 2023-09-18T17:20:05.22 | 0.3 | undecidable | manual | P | 78 | 8.6802 | 130 | -0.2 | 72 |
IT.MRR.HGE. | 2023-09-18T17:20:05.59 | 0.3 | undecidable | manual | S | 43 | 0.3996 | 177 | -0.09 | 75 |
IT.MRR.HGE. | 2023-09-18T17:20:04.52 | 0.1 | undecidable | manual | P | 43 | 0.3996 | 177 | -0.09 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LMD.HHE. | ML:0.7 | 0.000074 | 0.24 | AML | other | m | 2023-09-18T17:20:07.10 |
IV.LMD.HHN. | ML:1.0 | 0.00015949999999999997 | 0.3 | AML | other | m | 2023-09-18T17:20:07.10 |