A magnitude ML 0.9 earthquake occured in region: 3 km E Gambassi Terme (FI), on
and geographic coordinates (lat, lon) 43.5480, 10.9860 at 13 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
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 |
---|---|---|---|---|
Gambassi Terme | FI | 3 | 4870 | 4870 |
Certaldo | FI | 5 | 16121 | 20991 |
Montaione | FI | 6 | 3700 | 24691 |
Castelfiorentino | FI | 7 | 17504 | 42195 |
San Gimignano | SI | 10 | 7820 | 50015 |
Montespertoli | FI | 13 | 13537 | 63552 |
Barberino Val d'Elsa | FI | 15 | 4386 | 67938 |
Tavarnelle Val di Pesa | FI | 15 | 7800 | 75738 |
Poggibonsi | SI | 16 | 29196 | 104934 |
Colle di Val d'Elsa | SI | 18 | 21620 | 126554 |
San Miniato | PI | 18 | 27934 | 154488 |
Palaia | PI | 18 | 4612 | 159100 |
Volterra | PI | 19 | 10519 | 169619 |
Empoli | FI | 19 | 48109 | 217728 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.9 | 2021-12-30 05:53:29 |
43.5482 | 10.9858 | 13 | 2022-03-30 13:04:25 |
Bollettino Sismico Italiano INGV | 99227951 |
Reviewed Rev100 |
ML 1.0 | 2021-12-30 05:53:29 |
43.5578 | 10.9585 | 3 | 2021-12-30 06:09:02 |
Sala Sismica INGV-Roma | 99140391 |
Field | Value |
---|---|
Time (UTC) | 2021-12-30 05:53:29 ± 0.09 |
Latitude | 43.5482 ± 0.0063 |
Longitude | 10.9858 ± 0.0087 |
Depth (km) | 13 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 99227951 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 739 |
Semi-minor axis of confidence ellipse (meter) | 483 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 230 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 740.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 77 |
Number of associated phases, regardless of their use for origin computation | 30 |
Number of defining phases | 20 |
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) | 0.58636 |
Number of stations at which the event was observed | 20 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 99227951 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2022-02-03 11:07:15 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.2 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 99140391 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-12-30 06:09:02 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
OT.OT17.EHZ. | 2021-12-30T05:55:07.26 | 3.0 | undecidable | manual | Sg | 12.8 | 0 | |||
IV.ESCV.HHZ. | 2021-12-30T05:54:50.54 | 3.0 | undecidable | manual | Pn | -0.78 | 0 | |||
ST.CARE.HNZ. | 2021-12-30T05:54:37.84 | 3.0 | undecidable | manual | Sn | -6.16 | 0 | |||
IV.VOBA.EHZ. | 2021-12-30T05:54:31.95 | 3.0 | undecidable | manual | Sg | 5.67 | 0 | |||
IV.ZEN8.EHZ. | 2021-12-30T05:54:24.82 | 3.0 | undecidable | manual | Sg | -0.59 | 0 | |||
IV.PZUN.HHZ. | 2021-12-30T05:54:22.96 | 3.0 | negative | manual | Pn | -2.53 | 0 | |||
IV.RM33.EHZ. | 2021-12-30T05:54:19.75 | 3.0 | undecidable | manual | Sg | 7.81 | 0 | |||
IV.SMA1.EHZ. | 2021-12-30T05:54:19.61 | 3.0 | undecidable | manual | Sg | 7.26 | 0 | |||
IV.MMO1.EHZ. | 2021-12-30T05:54:04.71 | 3.0 | undecidable | manual | Sn | -5.11 | 0 | |||
IV.COR1.EHZ. | 2021-12-30T05:53:57.90 | 3.0 | undecidable | manual | Sn | -5.19 | 0 | |||
IV.BDI.HNZ. | 2021-12-30T05:53:49.67 | 0.6 | undecidable | manual | S | 331 | 65.0904 | 92 | 0.42 | 43 |
IV.RUFI.EHE. | 2021-12-30T05:53:46.06 | 0.3 | undecidable | manual | S | 52 | 52.9026 | 92 | 0.06 | 71 |
GU.MAIM.HHZ. | 2021-12-30T05:53:46.45 | 0.6 | undecidable | manual | S | 316 | 56.5989 | 92 | -0.55 | 42 |
IV.TRIF.CHE. | 2021-12-30T05:53:44.33 | 0.6 | undecidable | manual | S | 188 | 48.5181 | 92 | -0.51 | 43 |
IV.FROS.CHZ. | 2021-12-30T05:53:42.20 | 0.6 | undecidable | manual | S | 160 | 40.0266 | 93 | -0.36 | 45 |
IV.MAGO.CHN. | 2021-12-30T05:53:42.85 | 0.6 | undecidable | manual | S | 221 | 40.3263 | 93 | 0.19 | 47 |
IV.PII.HHZ. | 2021-12-30T05:53:41.99 | 0.6 | undecidable | manual | S | 298 | 41.7249 | 93 | -1.03 | 36 |
IV.BDI.HNZ. | 2021-12-30T05:53:41.19 | 0.3 | undecidable | manual | P | 331 | 65.0904 | 92 | 0.32 | 66 |
GU.MAIM.HHZ. | 2021-12-30T05:53:39.69 | 0.3 | undecidable | manual | P | 316 | 56.5989 | 92 | 0.12 | 70 |
IV.RUFI.EHE. | 2021-12-30T05:53:39.34 | 0.3 | undecidable | manual | P | 52 | 52.9026 | 92 | 0.35 | 68 |
IV.CRMI.HHZ. | 2021-12-30T05:53:38.73 | 1.0 | undecidable | manual | S | 359 | 27.4503 | 96 | -0.49 | 22 |
IV.TRIF.CHE. | 2021-12-30T05:53:38.76 | 0.6 | undecidable | manual | P | 188 | 48.5181 | 92 | 0.44 | 44 |
IV.CSNT.HHZ. | 2021-12-30T05:53:38.51 | 0.6 | undecidable | manual | S | 109 | 25.8519 | 97 | -0.29 | 46 |
IV.MAGO.CHN. | 2021-12-30T05:53:37.55 | 0.3 | undecidable | manual | P | 221 | 40.3263 | 93 | 0.49 | 66 |
IV.PII.HHZ. | 2021-12-30T05:53:37.12 | 0.1 | negative | manual | P | 298 | 41.7249 | 93 | -0.15 | 95 |
IV.OSSC.HHZ. | 2021-12-30T05:53:37.32 | 0.6 | undecidable | manual | S | 97 | 21.0678 | 101 | -0.22 | 47 |
IV.FROS.CHZ. | 2021-12-30T05:53:37.14 | 0.3 | undecidable | manual | P | 160 | 40.0266 | 93 | 0.14 | 72 |
IV.CRMI.HHZ. | 2021-12-30T05:53:35.14 | 0.1 | undecidable | manual | P | 359 | 27.4503 | 96 | 0.06 | 100 |
IV.CSNT.HHZ. | 2021-12-30T05:53:34.79 | 0.1 | undecidable | manual | P | 109 | 25.8519 | 97 | -0.05 | 98 |
IV.OSSC.HHZ. | 2021-12-30T05:53:34.14 | 0.3 | undecidable | manual | P | 97 | 21.0678 | 101 | 0.03 | 75 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.OSSC.HHE. | ML:1.2 | 0.00009765 | 0.26 | AML | other | m | 2021-12-30T05:53:37.82 |
IV.CSNT.HHN. | ML:0.8 | 0.00003365258 | 0.1984 | AML | other | m | 2021-12-30T05:53:38.55 |
IV.CRMI.HHN. | ML:0.8 | 0.000028661084999999998 | 0.1024 | AML | other | m | 2021-12-30T05:53:38.93 |
IV.CRMI.HHE. | ML:0.7 | 0.00002352647 | 0.0992 | AML | other | m | 2021-12-30T05:53:39.03 |
IV.CSNT.HHE. | ML:0.7 | 0.000032123405 | 0.16 | AML | other | m | 2021-12-30T05:53:39.00 |
IV.OSSC.HHN. | ML:0.9 | 0.0000517 | 0.48 | AML | other | m | 2021-12-30T05:53:39.42 |
IV.FROS.CHN. | ML:1.2 | 0.000049279225 | 0.1536 | AML | other | m | 2021-12-30T05:53:43.70 |
IV.FROS.CHE. | ML:1.1 | 0.0000441913715 | 0.368 | AML | other | m | 2021-12-30T05:53:44.08 |