A magnitude ML 0.4 earthquake occured in region: 7 km NW San Godenzo (FI), on
and geographic coordinates (lat, lon) 43.9700, 11.5530 at 4 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 | 7 | 1167 | 1167 |
Vicchio | FI | 8 | 8044 | 9211 |
Dicomano | FI | 9 | 5515 | 14726 |
Londa | FI | 12 | 1840 | 16566 |
Marradi | FI | 13 | 3139 | 19705 |
Borgo San Lorenzo | FI | 13 | 18211 | 37916 |
Palazzuolo sul Senio | FI | 16 | 1154 | 39070 |
Rufina | FI | 17 | 7346 | 46416 |
Premilcuore | FC | 18 | 799 | 47215 |
Scarperia e San Piero | FI | 18 | 12217 | 59432 |
Portico e San Benedetto | FC | 19 | 756 | 60188 |
Tredozio | FC | 20 | 1212 | 61400 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.4 | 2023-09-13 17:38:18 |
43.9705 | 11.5528 | 4 | 2023-09-13 17:54:29 |
Sala Sismica INGV-Roma | 121031581 |
Field | Value |
---|---|
Time (UTC) | 2023-09-13 17:38:18 ± 0.11 |
Latitude | 43.9705 ± 0.0054 |
Longitude | 11.5528 ± 0.0050 |
Depth (km) | 4 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 121031581 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 543 |
Semi-minor axis of confidence ellipse (meter) | 263 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 358 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 540.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 128 |
Number of associated phases, regardless of their use for origin computation | 21 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.19 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.23472 |
Number of stations at which the event was observed | 17 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 0.4 |
Uncertainty | 0.5 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 121031581 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-13 17:54:29 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SGG.HHZ. | 2023-09-13T17:39:51.67 | 3.0 | undecidable | manual | Sn | -5.75 | 0 | |||
IV.TDS.HHZ. | 2023-09-13T17:39:39.93 | 3.0 | undecidable | manual | Pn | 0.9 | 0 | |||
IV.PZUN.HHZ. | 2023-09-13T17:39:25.47 | 3.0 | positive | manual | Pn | 0.53 | 0 | |||
GU.MGRO.HHZ. | 2023-09-13T17:39:24.30 | 3.0 | undecidable | manual | Sg | 8.62 | 0 | |||
IV.TOLF.HHZ. | 2023-09-13T17:39:23.08 | 3.0 | undecidable | manual | Sg | 0.1 | 0 | |||
IV.LRP.EHZ. | 2023-09-13T17:39:12.95 | 3.0 | positive | manual | Pg | 12.72 | 0 | |||
IV.FIAM.HHZ. | 2023-09-13T17:38:50.73 | 3.0 | negative | manual | Pn | 0.27 | 0 | |||
IV.CAMP.HHZ. | 2023-09-13T17:38:49.14 | 3.0 | undecidable | manual | Pn | -0.05 | 0 | |||
IV.SNTG.HHZ. | 2023-09-13T17:38:43.08 | 3.0 | positive | manual | Pg | 4.41 | 0 | |||
IV.FRON.EHZ. | 2023-09-13T17:38:40.84 | 3.0 | undecidable | manual | Pg | 6.23 | 0 | |||
IV.SFI.EHZ. | 2023-09-13T17:38:27.82 | 0.3 | undecidable | manual | S | 107 | 24.5532 | 100 | 0.31 | 68 |
IV.RUFI.EHZ. | 2023-09-13T17:38:24.28 | 0.3 | undecidable | manual | S | 193 | 15.0738 | 106 | -0.02 | 74 |
IV.BOSL.HHZ. | 2023-09-13T17:38:24.59 | 0.3 | undecidable | manual | S | 253 | 14.874 | 107 | 0.35 | 69 |
IV.VISG.HHN. | 2023-09-13T17:38:24.01 | 0.3 | undecidable | manual | P | 339 | 26.0517 | 100 | -0.11 | 71 |
IV.SFI.EHZ. | 2023-09-13T17:38:23.80 | 0.1 | undecidable | manual | P | 107 | 24.5532 | 100 | -0.04 | 96 |
IV.RINC.EHZ. | 2023-09-13T17:38:21.03 | 0.1 | undecidable | manual | P | 155 | 10.2786 | 113 | -0.05 | 98 |
IV.RUFI.EHZ. | 2023-09-13T17:38:21.77 | 0.1 | undecidable | manual | P | 193 | 15.0738 | 106 | -0.22 | 94 |
IV.BOSL.HHZ. | 2023-09-13T17:38:21.96 | 0.1 | undecidable | manual | P | 253 | 14.874 | 107 | 0.01 | 98 |
IV.VMGN.HHZ. | 2023-09-13T17:38:20.56 | 0.1 | undecidable | manual | S | 222 | 2.3976 | 152 | -0.03 | 100 |
IV.VMGN.HHZ. | 2023-09-13T17:38:19.80 | 0.1 | undecidable | manual | P | 222 | 2.3976 | 152 | -0.05 | 100 |
IV.PRMA.HHZ. | 2023-09-13T17:38:14.82 | 3.0 | undecidable | manual | P | -0.68 | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.BOSL.HHN. | ML:-0.1 | 0.000012 | 0.18 | AML | other | m | 2023-09-13T17:38:24.61 |
IV.BOSL.HHE. | ML:-0.1 | 0.0000102 | 0.32 | AML | other | m | 2023-09-13T17:38:24.75 |
IV.SFI.EHE. | ML:0.9 | 0.0000539 | 0.1 | AML | other | m | 2023-09-13T17:38:28.15 |
IV.SFI.EHN. | ML:0.8 | 0.0000413 | 0.82 | AML | other | m | 2023-09-13T17:38:28.11 |