A magnitude ML 0.4 earthquake occured in region: 2 km S San Godenzo (FI), on
and geographic coordinates (lat, lon) 43.9090, 11.6180 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 |
---|---|---|---|---|
San Godenzo | FI | 2 | 1167 | 1167 |
Londa | FI | 7 | 1840 | 3007 |
Dicomano | FI | 8 | 5515 | 8522 |
Vicchio | FI | 13 | 8044 | 16566 |
Rufina | FI | 14 | 7346 | 23912 |
Premilcuore | FC | 15 | 799 | 24711 |
Pratovecchio Stia | AR | 16 | 5845 | 30556 |
Pelago | FI | 18 | 7660 | 38216 |
Portico e San Benedetto | FC | 19 | 756 | 38972 |
Marradi | FI | 19 | 3139 | 42111 |
Montemignaio | AR | 19 | 566 | 42677 |
Borgo San Lorenzo | FI | 19 | 18211 | 60888 |
Castel San Niccolò | AR | 20 | 2707 | 63595 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.4 | 2020-12-18 05:08:15 |
43.9088 | 11.6177 | 8 | 2020-12-18 05:13:39 |
Sala Sismica INGV-Roma | 85509101 |
Field | Value |
---|---|
Time (UTC) | 2020-12-18 05:08:15 ± 0.08 |
Latitude | 43.9088 ± 0.0018 |
Longitude | 11.6177 ± 0.0025 |
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 | 85509101 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 239 |
Semi-minor axis of confidence ellipse (meter) | 101 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 331 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 240.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 78 |
Number of associated phases, regardless of their use for origin computation | 25 |
Number of defining phases | 11 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.18076 |
Number of stations at which the event was observed | 18 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 0.4 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 85509101 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-12-18 05:13:39 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ACATE.EHZ. | 2020-12-18T05:09:40.96 | 3.0 | positive | manual | Pn | 6.79 | 0 | |||
CR.ZAG.BHZ. | 2020-12-18T05:09:10.40 | 3.0 | negative | manual | Pn | 9.27 | 0 | |||
IV.LAV9.HHZ. | 2020-12-18T05:09:08.67 | 3.0 | undecidable | manual | Sg | 13.86 | 0 | |||
IV.VOBA.HNZ. | 2020-12-18T05:09:08.31 | 3.0 | undecidable | manual | Sn | -1.29 | 0 | |||
IV.BOZZ.EHZ. | 2020-12-18T05:09:00.30 | 3.0 | undecidable | manual | Sg | 2.21 | 0 | |||
IX.MNT3.HHZ.02 | 2020-12-18T05:08:59.96 | 3.0 | positive | manual | Pn | 6.77 | 0 | |||
IV.VIVA.HHZ. | 2020-12-18T05:08:52.95 | 3.0 | undecidable | manual | Sn | -1.19 | 0 | |||
IV.VIVA.HHZ. | 2020-12-18T05:08:41.31 | 3.0 | negative | manual | Pg | 11.58 | 0 | |||
IV.RMP.HHZ. | 2020-12-18T05:08:39.19 | 3.0 | positive | manual | Pg | 10.42 | 0 | |||
IV.BOZZ.EHZ. | 2020-12-18T05:08:34.23 | 3.0 | positive | manual | Pg | 2.28 | 0 | |||
IV.FIR.HHZ. | 2020-12-18T05:08:31.82 | 3.0 | undecidable | manual | Sg | 0.57 | 0 | |||
IV.MNTV.HNZ. | 2020-12-18T05:08:30.97 | 3.0 | undecidable | manual | Pn | -0.76 | 0 | |||
IV.FDMO.HHZ. | 2020-12-18T05:08:25.61 | 3.0 | negative | manual | P | 2.06 | 0 | |||
IV.SRES.HHZ. | 2020-12-18T05:08:24.58 | 3.0 | undecidable | manual | Pn | 0.77 | 0 | |||
IV.LMD.HHZ. | 2020-12-18T05:08:22.53 | 0.3 | undecidable | manual | S | 21 | 20.0688 | 111 | -0.01 | 74 |
IV.ASQU.HHZ. | 2020-12-18T05:08:22.16 | 0.3 | undecidable | manual | S | 132 | 18.5703 | 113 | 0.11 | 73 |
IV.SFI.EHZ. | 2020-12-18T05:08:22.03 | 0.3 | undecidable | manual | S | 91 | 18.3705 | 113 | 0.04 | 74 |
IV.SFI.EHZ. | 2020-12-18T05:08:19.18 | 1.0 | undecidable | manual | P | 91 | 18.3705 | 113 | 0.11 | 24 |
IV.LMD.HHZ. | 2020-12-18T05:08:19.22 | 0.6 | undecidable | manual | P | 21 | 20.0688 | 111 | -0.16 | 48 |
IV.RONT.HHZ. | 2020-12-18T05:08:19.04 | 0.3 | undecidable | manual | P | 303 | 17.4714 | 114 | 0.12 | 73 |
IV.RUFI.EHZ. | 2020-12-18T05:08:19.92 | 0.3 | undecidable | manual | S | 228 | 11.6772 | 124 | -0.04 | 75 |
IV.ASQU.HHZ. | 2020-12-18T05:08:18.96 | 0.1 | undecidable | manual | P | 132 | 18.5703 | 113 | -0.14 | 96 |
IV.RUFI.EHZ. | 2020-12-18T05:08:17.89 | 0.1 | undecidable | manual | P | 228 | 11.6772 | 124 | 0 | 100 |
IV.RINC.HHZ. | 2020-12-18T05:08:17.87 | 0.3 | undecidable | manual | S | 199 | 2.5974 | 161 | -0.07 | 75 |
IV.RINC.HHZ. | 2020-12-18T05:08:16.82 | 0.1 | negative | manual | P | 199 | 2.5974 | 161 | 0.09 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SFI.EHN. | ML:0.6 | 0.000027799999999999998 | 1.04 | AML | other | m | 2020-12-18T05:08:22.45 |
IV.SFI.EHE. | ML:0.2 | 0.00001715 | 0.08 | AML | other | m | 2020-12-18T05:08:22.72 |
IV.LMD.HHE. | ML:0.5 | 0.000025399999999999997 | 1.36 | AML | other | m | 2020-12-18T05:08:23.25 |
IV.LMD.HHN. | ML:0.6 | 0.000028899999999999998 | 1.08 | AML | other | m | 2020-12-18T05:08:23.80 |
IV.RUFI.EHE. | ML:0.1 | 0.000016874519999999997 | 0.1984 | AML | other | m | 2020-12-18T05:08:20.12 |
IV.RUFI.EHN. | ML:0.3 | 0.000027465809999999998 | 0.1216 | AML | other | m | 2020-12-18T05:08:20.04 |