A magnitude ML 1.2 earthquake occured in region: 2 km W Certaldo (FI), on
and geographic coordinates (lat, lon) 43.5570, 11.0160 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 |
---|---|---|---|---|
Certaldo | FI | 2 | 16121 | 16121 |
Gambassi Terme | FI | 5 | 4870 | 20991 |
Castelfiorentino | FI | 7 | 17504 | 38495 |
Montaione | FI | 8 | 3700 | 42195 |
San Gimignano | SI | 10 | 7820 | 50015 |
Montespertoli | FI | 11 | 13537 | 63552 |
Barberino Val d'Elsa | FI | 13 | 4386 | 67938 |
Tavarnelle Val di Pesa | FI | 13 | 7800 | 75738 |
Poggibonsi | SI | 15 | 29196 | 104934 |
Colle di Val d'Elsa | SI | 17 | 21620 | 126554 |
San Casciano in Val di Pesa | FI | 18 | 17062 | 143616 |
Empoli | FI | 19 | 48109 | 191725 |
San Miniato | PI | 19 | 27934 | 219659 |
Montelupo Fiorentino | FI | 19 | 14098 | 233757 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2024-02-20 04:46:53 |
43.5568 | 11.0155 | 6 | 2024-02-20 04:51:20 |
Sala Sismica INGV-Roma | 125386351 |
Field | Value |
---|---|
Time (UTC) | 2024-02-20 04:46:53 ± 0.16 |
Latitude | 43.5568 ± 0.0072 |
Longitude | 11.0155 ± 0.0186 |
Depth (km) | 6 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 125386351 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1536 |
Semi-minor axis of confidence ellipse (meter) | 647 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 71 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1540.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 122 |
Number of associated phases, regardless of their use for origin computation | 16 |
Number of defining phases | 16 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.36 |
Epicentral distance of station closest to the epicenter (degree) | 0.16997 |
Epicentral distance of station farthest from the epicenter (degree) | 0.58906 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 125386351 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2024-02-20 04:51:20 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.MAIM.HHZ. | 2024-02-20T04:47:11.81 | 0.3 | undecidable | manual | S | 313 | 57.6978 | 50 | -0.86 | 57 |
IV.TRIF.CHE. | 2024-02-20T04:47:10.35 | 0.6 | undecidable | manual | S | 191 | 49.9167 | 50 | -0.25 | 47 |
IV.FROS.CHZ. | 2024-02-20T04:47:07.00 | 0.6 | undecidable | manual | S | 164 | 40.1265 | 99 | -0.87 | 39 |
IV.BDI.HHZ. | 2024-02-20T04:47:06.19 | 1.0 | positive | manual | P | 329 | 65.3901 | 50 | 0.31 | 22 |
IV.LOCA.HHZ. | 2024-02-20T04:47:05.39 | 0.3 | undecidable | manual | S | 144 | 34.1436 | 100 | -0.43 | 69 |
GU.MAIM.HHZ. | 2024-02-20T04:47:05.02 | 0.3 | negative | manual | P | 313 | 57.6978 | 50 | 0.34 | 68 |
GU.POPM.HHZ. | 2024-02-20T04:47:04.84 | 0.3 | undecidable | manual | P | 339 | 57.9975 | 50 | 0.11 | 71 |
IV.TRIF.CHE. | 2024-02-20T04:47:03.97 | 0.1 | undecidable | manual | P | 191 | 49.9167 | 50 | 0.49 | 89 |
IV.FROS.CHZ. | 2024-02-20T04:47:02.20 | 0.1 | undecidable | manual | P | 164 | 40.1265 | 99 | 0.29 | 95 |
IV.CSNT.HHZ. | 2024-02-20T04:47:02.02 | 0.1 | undecidable | manual | S | 113 | 23.9538 | 105 | -0.35 | 96 |
IV.CRMI.HHZ. | 2024-02-20T04:47:02.93 | 0.3 | undecidable | manual | S | 354 | 26.6511 | 103 | -0.34 | 72 |
IV.LOCA.HHZ. | 2024-02-20T04:47:01.17 | 0.6 | positive | manual | P | 144 | 34.1436 | 100 | 0.44 | 46 |
IV.OSSC.HHZ. | 2024-02-20T04:47:00.88 | 0.1 | undecidable | manual | S | 101 | 18.87 | 109 | 0.2 | 100 |
IV.CRMI.HHZ. | 2024-02-20T04:46:59.40 | 0.1 | undecidable | manual | P | 354 | 26.6511 | 103 | 0.14 | 100 |
IV.CSNT.HHZ. | 2024-02-20T04:46:58.74 | 0.6 | negative | manual | P | 113 | 23.9538 | 105 | 0 | 52 |
IV.OSSC.HHZ. | 2024-02-20T04:46:58.01 | 0.3 | negative | manual | P | 101 | 18.87 | 109 | 0.25 | 74 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.OSSC.HHE. | ML:1.4 | 0.0002325 | 1.2 | AML | other | m | 2024-02-20T04:47:00.96 |
IV.OSSC.HHN. | ML:1.4 | 0.000224 | 0.22 | AML | other | m | 2024-02-20T04:47:01.62 |
IV.CSNT.HHE. | ML:1.1 | 0.000076 | 0.34 | AML | other | m | 2024-02-20T04:47:02.25 |
IV.CSNT.HHN. | ML:1.1 | 0.00008145 | 0.6 | AML | other | m | 2024-02-20T04:47:02.48 |
IV.CRMI.HHN. | ML:1.2 | 0.0000955 | 0.6 | AML | other | m | 2024-02-20T04:47:03.49 |
IV.CRMI.HHE. | ML:0.9 | 0.0000524 | 1.52 | AML | other | m | 2024-02-20T04:47:03.88 |
IV.LOCA.HHE. | ML:1.2 | 0.00006510000000000001 | 1.22 | AML | other | m | 2024-02-20T04:47:06.64 |
IV.LOCA.HHN. | ML:1.2 | 0.00006405 | 0.74 | AML | other | m | 2024-02-20T04:47:07.80 |