A magnitude ML 0.5 earthquake occured in region: 4 km W Tredozio (FC), on
and geographic coordinates (lat, lon) 44.0760, 11.6970 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 |
---|---|---|---|---|
Tredozio | FC | 4 | 1212 | 1212 |
Marradi | FI | 7 | 3139 | 4351 |
Portico e San Benedetto | FC | 9 | 756 | 5107 |
Rocca San Casciano | FC | 12 | 1910 | 7017 |
Modigliana | FC | 12 | 4560 | 11577 |
Palazzuolo sul Senio | FI | 13 | 1154 | 12731 |
Premilcuore | FC | 13 | 799 | 13530 |
Dovadola | FC | 16 | 1653 | 15183 |
Brisighella | RA | 17 | 7639 | 22822 |
Casola Valsenio | RA | 18 | 2617 | 25439 |
San Godenzo | FI | 18 | 1167 | 26606 |
Galeata | FC | 19 | 2516 | 29122 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.5 | 2023-09-18 17:20:20 |
44.0758 | 11.6968 | 6 | 2023-09-18 17:32:40 |
Sala Sismica INGV-Roma | 121200161 |
Field | Value |
---|---|
Time (UTC) | 2023-09-18 17:20:20 ± 0.16 |
Latitude | 44.0758 ± 0.0045 |
Longitude | 11.6968 ± 0.0075 |
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 | 121200161 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 508 |
Semi-minor axis of confidence ellipse (meter) | 432 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 237 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 510.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 137 |
Number of associated phases, regardless of their use for origin computation | 39 |
Number of defining phases | 13 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.18 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.27339 |
Number of stations at which the event was observed | 33 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.1 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 121200161 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-18 17:32:40 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FERC.HHE.00 | 2023-09-18T17:23:14.65 | 3.0 | undecidable | manual | Sn | 1.48 | 0 | |||
IV.SCHR.EHZ. | 2023-09-18T17:22:59.08 | 3.0 | undecidable | manual | Sg | 22.67 | 0 | |||
IX.CMP3.EHN.02 | 2023-09-18T17:22:35.61 | 3.0 | undecidable | manual | Sg | 18.85 | 0 | |||
OT.OT14.EHE. | 2023-09-18T17:22:19.80 | 3.0 | undecidable | manual | Sg | 16.25 | 0 | |||
IV.PAOL.HHN. | 2023-09-18T17:22:10.02 | 3.0 | undecidable | manual | Sn | 6.17 | 0 | |||
IV.OVO.HHE. | 2023-09-18T17:22:09.84 | 3.0 | undecidable | manual | Sn | 3.26 | 0 | |||
IV.IOCA.HHE. | 2023-09-18T17:22:06.53 | 3.0 | undecidable | manual | Sn | 2.25 | 0 | |||
CR.ZAG.BHN. | 2023-09-18T17:22:04.46 | 3.0 | undecidable | manual | Sg | 19.24 | 0 | |||
IV.ILOS.HHE. | 2023-09-18T17:21:53.53 | 3.0 | undecidable | manual | Pn | 4.91 | 0 | |||
IV.CRAC.EHE. | 2023-09-18T17:21:51.99 | 3.0 | positive | manual | Pg | 18.379999 | 0 | |||
IV.CAR1.HNZ. | 2023-09-18T17:21:47.68 | 3.0 | undecidable | manual | Pn | 2.85 | 0 | |||
IV.TOLF.HHE. | 2023-09-18T17:21:22.75 | 3.0 | undecidable | manual | Sn | -0.66 | 0 | |||
IV.VAGA.HHZ. | 2023-09-18T17:21:21.80 | 3.0 | undecidable | manual | Pg | 13.13 | 0 | |||
IV.MCRV.HHN. | 2023-09-18T17:21:20.35 | 3.0 | undecidable | manual | Pn | -0.88 | 0 | |||
IV.GAVE.EHZ. | 2023-09-18T17:21:17.25 | 3.0 | undecidable | manual | Sg | 3.77 | 0 | |||
IT.ORP.HGZ. | 2023-09-18T17:21:16.42 | 3.0 | positive | manual | Pn | 0.08 | 0 | |||
IV.OFFI.HHN. | 2023-09-18T17:21:14.85 | 3.0 | undecidable | manual | Sn | -2.05 | 0 | |||
GU.GORR.HHZ. | 2023-09-18T17:21:10.88 | 3.0 | undecidable | manual | Sg | 9.15 | 0 | |||
IV.PP3.EHN. | 2023-09-18T17:21:09.35 | 3.0 | undecidable | manual | Sn | 0.82 | 0 | |||
IV.SAP2.EHN. | 2023-09-18T17:21:08.31 | 3.0 | undecidable | manual | Sn | -2.2 | 0 | |||
GU.SATI.HNN. | 2023-09-18T17:20:59.58 | 3.0 | undecidable | manual | Pn | 1.54 | 0 | |||
IV.RMP.HHN. | 2023-09-18T17:20:58.51 | 3.0 | negative | manual | Pn | 1.34 | 0 | |||
IV.VIVA.HHE. | 2023-09-18T17:20:55.34 | 3.0 | undecidable | manual | Pn | -2.84 | 0 | |||
IV.TREG.EHN. | 2023-09-18T17:20:46.45 | 3.0 | undecidable | manual | S | -0.76 | 0 | |||
IV.MNTV.HNE. | 2023-09-18T17:20:41.70 | 3.0 | undecidable | manual | S | 0.65 | 0 | |||
IV.VMAN.HNZ. | 2023-09-18T17:20:31.07 | 3.0 | undecidable | manual | P | -0.51 | 0 | |||
IV.VISG.HHZ. | 2023-09-18T17:20:29.76 | 0.6 | undecidable | manual | S | 301 | 24.3534 | 104 | 0.18 | 46 |
IV.SFI.EHZ. | 2023-09-18T17:20:29.23 | 0.6 | undecidable | manual | S | 148 | 22.4553 | 106 | 0.3 | 45 |
IV.RINC.EHZ. | 2023-09-18T17:20:28.91 | 0.6 | undecidable | manual | S | 199 | 22.1556 | 106 | 0.06 | 48 |
IV.VMGN.HHZ. | 2023-09-18T17:20:27.84 | 0.6 | undecidable | manual | S | 224 | 18.7701 | 108 | 0.12 | 47 |
IV.RUFI.EHZ. | 2023-09-18T17:20:26.57 | 0.1 | undecidable | manual | P | 210 | 30.3474 | 102 | -0.48 | 86 |
IV.RINC.EHZ. | 2023-09-18T17:20:25.48 | 0.1 | undecidable | manual | P | 199 | 22.1556 | 106 | 0.01 | 97 |
IV.VISG.HHZ. | 2023-09-18T17:20:25.87 | 0.1 | undecidable | manual | P | 301 | 24.3534 | 104 | -0.02 | 96 |
IV.SFI.EHZ. | 2023-09-18T17:20:25.59 | 0.6 | positive | manual | P | 148 | 22.4553 | 106 | 0.08 | 48 |
IT.MRR.HGE. | 2023-09-18T17:20:24.26 | 0.6 | undecidable | manual | S | 260 | 7.5813 | 130 | 0.01 | 50 |
IV.VMGN.HHZ. | 2023-09-18T17:20:24.97 | 0.6 | positive | manual | P | 224 | 18.7701 | 108 | 0.16 | 47 |
IV.LMD.HHZ. | 2023-09-18T17:20:22.87 | 0.6 | undecidable | manual | S | 78 | 0.7992 | 172 | -0.17 | 49 |
IV.LMD.HHZ. | 2023-09-18T17:20:22.09 | 0.1 | undecidable | manual | P | 78 | 0.7992 | 172 | -0.02 | 100 |
IT.MRR.HGE. | 2023-09-18T17:20:22.91 | 0.1 | undecidable | manual | P | 260 | 7.5813 | 130 | 0.1 | 97 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VMGN.HHE. | ML:0.4 | 0.000021943770000000003 | 0.3968 | AML | other | m | 2023-09-18T17:20:28.47 |
IV.VMGN.HHN. | ML:0.4 | 0.000019350884999999997 | 0.192 | AML | other | m | 2023-09-18T17:20:29.27 |
IV.RINC.EHE. | ML:0.4 | 0.000021518145000000003 | 0.2176 | AML | other | m | 2023-09-18T17:20:30.69 |
IV.RINC.EHN. | ML:0.6 | 0.000030264857 | 1.5616 | AML | other | m | 2023-09-18T17:20:29.23 |
IV.SFI.EHE. | ML:0.6 | 0.000025160021999999996 | 0.1408 | AML | other | m | 2023-09-18T17:20:29.72 |
IV.SFI.EHN. | ML:0.5 | 0.00001963919 | 0.128 | AML | other | m | 2023-09-18T17:20:29.86 |