A magnitude ML 0.4 earthquake occured in region: 6 km NW Castelfiorentino (FI), on
and geographic coordinates (lat, lon) 43.6530, 10.9350 at 12 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 |
---|---|---|---|---|
Castelfiorentino | FI | 6 | 17504 | 17504 |
San Miniato | PI | 7 | 27934 | 45438 |
Empoli | FI | 8 | 48109 | 93547 |
Capraia e Limite | FI | 11 | 7670 | 101217 |
Montelupo Fiorentino | FI | 11 | 14098 | 115315 |
Montaione | FI | 11 | 3700 | 119015 |
Montespertoli | FI | 11 | 13537 | 132552 |
Gambassi Terme | FI | 13 | 4870 | 137422 |
Cerreto Guidi | FI | 13 | 10870 | 148292 |
Fucecchio | FI | 13 | 23618 | 171910 |
Palaia | PI | 14 | 4612 | 176522 |
Montopoli in Val d'Arno | PI | 14 | 11148 | 187670 |
Santa Croce sull'Arno | PI | 14 | 14601 | 202271 |
Certaldo | FI | 14 | 16121 | 218392 |
Vinci | FI | 15 | 14604 | 232996 |
Castelfranco di Sotto | PI | 16 | 13427 | 246423 |
Lamporecchio | PT | 19 | 7508 | 253931 |
Lastra a Signa | FI | 19 | 20156 | 274087 |
Carmignano | PO | 19 | 14450 | 288537 |
Signa | FI | 20 | 19179 | 307716 |
Larciano | PT | 20 | 6394 | 314110 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.4 | 2022-10-31 01:56:44 |
43.6532 | 10.9352 | 12 | 2022-10-31 02:06:22 |
Sala Sismica INGV-Roma | 111336021 |
Field | Value |
---|---|
Time (UTC) | 2022-10-31 01:56:44 ± 0.12 |
Latitude | 43.6532 ± 0.0081 |
Longitude | 10.9352 ± 0.0124 |
Depth (km) | 12 ± 4 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 111336021 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1177 |
Semi-minor axis of confidence ellipse (meter) | 425 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 233 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1180.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 123 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.29 |
Epicentral distance of station closest to the epicenter (degree) | 0.14569 |
Epicentral distance of station farthest from the epicenter (degree) | 0.47664 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 0.4 |
Uncertainty | 0.1 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 111336021 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2022-10-31 02:06:22 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.BDI.HHZ. | 2022-10-31T01:57:00.95 | 0.3 | undecidable | manual | S | 329 | 52.9026 | 91 | 0.02 | 73 |
IV.FROS.CHE. | 2022-10-31T01:57:00.43 | 0.3 | undecidable | manual | S | 160 | 52.3032 | 91 | -0.33 | 68 |
GU.MAIM.HHZ. | 2022-10-31T01:56:58.57 | 0.3 | undecidable | manual | S | 309 | 45.7209 | 91 | -0.44 | 67 |
IV.PII.HHZ. | 2022-10-31T01:56:55.32 | 0.3 | undecidable | manual | S | 283 | 33.744 | 91 | -0.49 | 68 |
IV.BDI.HHZ. | 2022-10-31T01:56:54.21 | 0.6 | undecidable | manual | P | 329 | 52.9026 | 91 | 0.29 | 46 |
IV.FROS.CHE. | 2022-10-31T01:56:54.09 | 0.3 | undecidable | manual | P | 160 | 52.3032 | 91 | 0.27 | 68 |
IV.OSSC.HHZ. | 2022-10-31T01:56:54.34 | 0.3 | undecidable | manual | S | 120 | 28.8489 | 92 | -0.15 | 74 |
GU.MAIM.HHZ. | 2022-10-31T01:56:53.19 | 0.1 | undecidable | manual | P | 309 | 45.7209 | 91 | 0.38 | 91 |
IV.PII.HHZ. | 2022-10-31T01:56:51.25 | 0.1 | negative | manual | P | 283 | 33.744 | 91 | 0.28 | 94 |
IV.OSSC.HHZ. | 2022-10-31T01:56:50.24 | 0.1 | undecidable | manual | P | 120 | 28.8489 | 92 | 0.04 | 100 |
IV.CRMI.HHZ. | 2022-10-31T01:56:50.93 | 0.3 | undecidable | manual | S | 13 | 16.1727 | 98 | -0.2 | 74 |
IV.CRMI.HHZ. | 2022-10-31T01:56:48.44 | 0.3 | positive | manual | P | 13 | 16.1727 | 98 | 0.18 | 75 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CRMI.HHE. | ML:0.5 | 0.00002735 | 0.28 | AML | other | m | 2022-10-31T01:56:51.25 |
IV.CRMI.HHN. | ML:0.6 | 0.00003370917 | 0.1392 | AML | other | m | 2022-10-31T01:56:51.31 |
IV.OSSC.HHE. | ML:0.3 | 0.0000111030915 | 0.1584 | AML | other | m | 2022-10-31T01:56:54.70 |
IV.OSSC.HHN. | ML:0.3 | 0.00001048096 | 0.2208 | AML | other | m | 2022-10-31T01:56:55.59 |
GU.MAIM.HHE. | ML:0.2 | 0.0000045842734999999995 | 0.1008 | AML | other | m | 2022-10-31T01:57:00.05 |
GU.MAIM.HHN. | ML:0.2 | 0.0000052445245 | 0.1408 | AML | other | m | 2022-10-31T01:56:59.30 |
IV.BDI.HHE. | ML:0.3 | 0.0000032949564500000004 | 0.1008 | AML | other | m | 2022-10-31T01:57:02.86 |
IV.BDI.HHN. | ML:0.3 | 0.00000331815005 | 0.0992 | AML | other | m | 2022-10-31T01:57:01.57 |