A magnitude ML 1.1 earthquake occured in region: 4 km NE Certaldo (FI), on
and geographic coordinates (lat, lon) 43.5810, 11.0670 at 10 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 | 4 | 16121 | 16121 |
Montespertoli | FI | 7 | 13537 | 29658 |
Castelfiorentino | FI | 8 | 17504 | 47162 |
Tavarnelle Val di Pesa | FI | 9 | 7800 | 54962 |
Barberino Val d'Elsa | FI | 10 | 4386 | 59348 |
Gambassi Terme | FI | 10 | 4870 | 64218 |
San Gimignano | SI | 13 | 7820 | 72038 |
Montaione | FI | 13 | 3700 | 75738 |
San Casciano in Val di Pesa | FI | 13 | 17062 | 92800 |
Poggibonsi | SI | 14 | 29196 | 121996 |
Montelupo Fiorentino | FI | 17 | 14098 | 136094 |
Empoli | FI | 18 | 48109 | 184203 |
Colle di Val d'Elsa | SI | 18 | 21620 | 205823 |
Impruneta | FI | 19 | 14615 | 220438 |
Capraia e Limite | FI | 19 | 7670 | 228108 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2024-03-23 13:18:10 |
43.5813 | 11.0667 | 10 | 2024-03-23 13:26:12 |
Sala Sismica INGV-Roma | 126083871 |
Field | Value |
---|---|
Time (UTC) | 2024-03-23 13:18:10 ± 0.16 |
Latitude | 43.5813 ± 0.0081 |
Longitude | 11.0667 ± 0.0062 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 126083871 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 826 |
Semi-minor axis of confidence ellipse (meter) | 526 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 188 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 830.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 166 |
Number of associated phases, regardless of their use for origin computation | 9 |
Number of defining phases | 8 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.28 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.41639 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.5 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 126083871 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2024-03-23 13:26:12 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FRON.EHZ. | 2024-03-23T13:18:34.03 | 3.0 | undecidable | manual | Pg | 0 | 0 | |||
IV.PII.HHZ. | 2024-03-23T13:18:25.46 | 0.6 | undecidable | manual | S | 290 | 46.2204 | 50 | -0.42 | 61 |
IV.PII.HHZ. | 2024-03-23T13:18:19.82 | 0.3 | negative | manual | P | 290 | 46.2204 | 50 | 0.28 | 95 |
IV.CRMI.HHZ. | 2024-03-23T13:18:19.84 | 0.6 | undecidable | manual | S | 344 | 24.753 | 112 | -0.29 | 66 |
IV.CSNT.HHZ. | 2024-03-23T13:18:18.80 | 0.6 | undecidable | manual | S | 124 | 21.6672 | 115 | -0.32 | 66 |
IV.OSSC.HHZ. | 2024-03-23T13:18:17.30 | 0.6 | undecidable | manual | S | 114 | 15.7731 | 122 | -0.04 | 70 |
IV.CRMI.HHZ. | 2024-03-23T13:18:16.43 | 0.3 | negative | manual | P | 344 | 24.753 | 112 | 0.22 | 100 |
IV.CSNT.HHZ. | 2024-03-23T13:18:15.52 | 1.0 | undecidable | manual | P | 124 | 21.6672 | 115 | -0.11 | 34 |
IV.OSSC.HHZ. | 2024-03-23T13:18:14.95 | 0.6 | undecidable | manual | P | 114 | 15.7731 | 122 | 0.35 | 66 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.OSSC.HHN. | ML:1.1 | 0.00011935 | 0.9 | AML | other | m | 2024-03-23T13:18:17.80 |
IV.OSSC.HHE. | ML:1.1 | 0.00011350000000000001 | 0.16 | AML | other | m | 2024-03-23T13:18:18.19 |
IV.CSNT.HHN. | ML:0.9 | 0.00005209999999999999 | 1.4 | AML | other | m | 2024-03-23T13:18:19.22 |
IV.CSNT.HHE. | ML:0.8 | 0.0000468 | 0.98 | AML | other | m | 2024-03-23T13:18:20.71 |
IV.FRON.EHE. | ML:2.0 | 0.000060950000000000004 | 0.72 | AML | other | m | 2024-03-23T13:18:41.88 |
IV.FRON.EHN. | ML:2.5 | 0.000189 | 0.64 | AML | other | m | 2024-03-23T13:18:42.85 |