A magnitude ML 1.7 earthquake occured in region: 1 km SE Siena (SI), on
and geographic coordinates (lat, lon) 43.3080, 11.3420 at 9 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 |
---|---|---|---|---|
Siena | SI | 1 | 53903 | 53903 |
Sovicille | SI | 10 | 10116 | 64019 |
Monteroni d'Arbia | SI | 11 | 9088 | 73107 |
Monteriggioni | SI | 14 | 9810 | 82917 |
Castelnuovo Berardenga | SI | 14 | 9097 | 92014 |
Murlo | SI | 16 | 2389 | 94403 |
Castellina in Chianti | SI | 19 | 2859 | 97262 |
Asciano | SI | 19 | 7118 | 104380 |
Gaiole in Chianti | SI | 20 | 2758 | 107138 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.7 | 2023-02-08 21:22:30 |
43.3078 | 11.3417 | 9 | 2024-03-01 17:18:15 |
Bollettino Sismico Italiano INGV | 120610071 |
Reviewed Rev100 |
ML 1.7 | 2023-02-08 21:22:30 |
43.3113 | 11.3745 | 4 | 2023-02-08 21:30:11 |
Sala Sismica INGV-Roma | 114270841 |
Field | Value |
---|---|
Time (UTC) | 2023-02-08 21:22:30 ± 0.13 |
Latitude | 43.3078 ± 0.0054 |
Longitude | 11.3417 ± 0.0124 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 120610071 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 846 |
Semi-minor axis of confidence ellipse (meter) | 629 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 281 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 850.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 93 |
Number of associated phases, regardless of their use for origin computation | 31 |
Number of defining phases | 31 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.38 |
Epicentral distance of station closest to the epicenter (degree) | 0.16727 |
Epicentral distance of station farthest from the epicenter (degree) | 0.69967 |
Number of stations at which the event was observed | 19 |
Number of stations from which data was used for origin computation | 19 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.2 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 120610071 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2023-08-30 14:38:00 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.2 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 114270841 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-02-08 21:30:11 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.BOSL.HHE. | 2023-02-08T21:22:51.92 | 0.6 | undecidable | manual | S | 2 | 69.1752 | 50 | -0.09 | 47 |
IV.CRMI.HNN. | 2023-02-08T21:22:49.38 | 0.6 | undecidable | manual | S | 332 | 61.3941 | 50 | -0.56 | 43 |
IV.MCIV.CHE. | 2023-02-08T21:22:49.76 | 0.6 | undecidable | manual | S | 155 | 64.6908 | 50 | -1.05 | 35 |
TV.SF11.HHZ. | 2023-02-08T21:22:47.52 | 0.6 | undecidable | manual | S | 151 | 55.8996 | 50 | -0.94 | 37 |
IV.CAFI.HHZ. | 2023-02-08T21:22:46.40 | 0.6 | undecidable | manual | S | 87 | 50.5161 | 50 | -0.62 | 43 |
IV.SFI.EHZ. | 2023-02-08T21:22:45.09 | 0.3 | undecidable | manual | P | 31 | 77.6667 | 50 | 0.8 | 57 |
IV.MGAB.HHZ. | 2023-02-08T21:22:44.81 | 0.3 | undecidable | manual | P | 125 | 76.2681 | 50 | 0.74 | 58 |
IV.TRIF.CHZ. | 2023-02-08T21:22:44.46 | 0.6 | undecidable | manual | S | 239 | 41.4252 | 50 | -0.15 | 49 |
IV.SACS.HHE. | 2023-02-08T21:22:43.53 | 0.3 | undecidable | manual | P | 138 | 68.5758 | 50 | 0.63 | 62 |
IV.CASP.HHZ. | 2023-02-08T21:22:43.82 | 0.3 | undecidable | manual | P | 214 | 69.1752 | 50 | 0.84 | 57 |
IV.BOSL.HHE. | 2023-02-08T21:22:43.09 | 0.3 | undecidable | manual | P | 2 | 69.1752 | 50 | 0.11 | 71 |
IV.RUFI.EHE. | 2023-02-08T21:22:42.08 | 0.3 | undecidable | manual | P | 13 | 60.2952 | 50 | 0.46 | 67 |
IV.MCIV.CHE. | 2023-02-08T21:22:42.54 | 0.1 | undecidable | manual | P | 155 | 64.6908 | 50 | 0.25 | 92 |
IV.MALA0.EHZ. | 2023-02-08T21:22:42.36 | 0.6 | undecidable | manual | S | 162 | 35.1426 | 50 | -0.57 | 45 |
IV.MALA1.EHZ. | 2023-02-08T21:22:42.50 | 0.3 | undecidable | manual | S | 162 | 35.4423 | 50 | -0.51 | 69 |
IV.CRE.HHZ. | 2023-02-08T21:22:42.39 | 0.3 | undecidable | manual | P | 55 | 59.9955 | 50 | 0.82 | 58 |
IV.MALA4.EHZ. | 2023-02-08T21:22:42.43 | 0.6 | undecidable | manual | S | 162 | 35.3424 | 50 | -0.54 | 46 |
TV.SF11.HHZ. | 2023-02-08T21:22:41.20 | 0.1 | undecidable | manual | P | 151 | 55.8996 | 50 | 0.27 | 93 |
IV.CRMI.HNN. | 2023-02-08T21:22:41.97 | 0.3 | undecidable | manual | P | 332 | 61.3941 | 50 | 0.18 | 71 |
IV.CAFI.HHZ. | 2023-02-08T21:22:40.21 | 0.3 | undecidable | manual | P | 87 | 50.5161 | 50 | 0.11 | 73 |
IV.ARCI.HHZ. | 2023-02-08T21:22:40.26 | 0.3 | undecidable | manual | P | 168 | 51.7038 | 50 | -0.04 | 74 |
IV.OSSC.HHZ. | 2023-02-08T21:22:39.30 | 0.6 | undecidable | manual | S | 342 | 25.1526 | 110 | -0.63 | 45 |
IV.TRIF.CHZ. | 2023-02-08T21:22:38.93 | 0.3 | undecidable | manual | P | 239 | 41.4252 | 50 | 0.22 | 73 |
IV.CSNT.HHZ. | 2023-02-08T21:22:37.20 | 0.6 | undecidable | manual | S | 347 | 18.7701 | 116 | -0.69 | 44 |
IV.MALA4.EHZ. | 2023-02-08T21:22:37.63 | 0.1 | undecidable | manual | P | 162 | 35.3424 | 50 | -0.13 | 100 |
IV.FROS.CHZ. | 2023-02-08T21:22:37.92 | 0.6 | undecidable | manual | S | 234 | 18.5703 | 116 | 0.11 | 52 |
IV.MALA0.EHZ. | 2023-02-08T21:22:37.61 | 0.1 | undecidable | manual | P | 162 | 35.1426 | 50 | -0.13 | 100 |
IV.MALA1.EHZ. | 2023-02-08T21:22:37.62 | 0.3 | undecidable | manual | P | 162 | 35.4423 | 50 | -0.17 | 74 |
IV.OSSC.HHZ. | 2023-02-08T21:22:35.63 | 0.1 | undecidable | manual | P | 342 | 25.1526 | 110 | -0.37 | 97 |
IV.FROS.CHZ. | 2023-02-08T21:22:35.09 | 0.1 | undecidable | manual | P | 234 | 18.5703 | 116 | 0.31 | 99 |
IV.CSNT.HHZ. | 2023-02-08T21:22:34.53 | 0.1 | positive | manual | P | 347 | 18.7701 | 116 | -0.3 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CSNT.HHE. | ML:1.8 | 0.00046899999999999996 | 0.74 | AML | other | m | 2023-02-08T21:22:37.52 |
IV.CSNT.HHN. | ML:1.8 | 0.000523 | 0.46 | AML | other | m | 2023-02-08T21:22:37.60 |
IV.FROS.CHE. | ML:2.1 | 0.0010004999999999999 | 0.16 | AML | other | m | 2023-02-08T21:22:38.04 |
IV.FROS.CHN. | ML:1.9 | 0.000615 | 0.4 | AML | other | m | 2023-02-08T21:22:39.14 |
IV.OSSC.HHN. | ML:1.5 | 0.00019800000000000002 | 1.2 | AML | other | m | 2023-02-08T21:22:39.63 |
IV.OSSC.HHE. | ML:1.8 | 0.000332 | 0.7 | AML | other | m | 2023-02-08T21:22:39.64 |
IV.TRIF.CHE. | ML:1.7 | 0.0001495 | 0.22 | AML | other | m | 2023-02-08T21:22:45.00 |
IV.TRIF.CHN. | ML:1.6 | 0.00014549999999999999 | 0.8 | AML | other | m | 2023-02-08T21:22:45.24 |
IV.ARCI.HHN. | ML:1.8 | 0.00015000000000000001 | 0.2 | AML | other | m | 2023-02-08T21:22:49.14 |
IV.ARCI.HHE. | ML:1.9 | 0.0001825 | 0.54 | AML | other | m | 2023-02-08T21:22:49.07 |
IV.SFI.EHN. | ML:1.6 | 0.000056800000000000005 | 0.42 | AML | other | m | 2023-02-08T21:22:51.61 |
IV.CRE.HHN. | ML:1.6 | 0.00008274999999999999 | 0.9 | AML | other | m | 2023-02-08T21:22:51.48 |
IV.CRE.HHE. | ML:1.6 | 0.00007635 | 0.66 | AML | other | m | 2023-02-08T21:22:52.47 |
IV.SFI.EHE. | ML:1.6 | 0.00006215 | 0.54 | AML | other | m | 2023-02-08T21:22:58.28 |