A magnitude ML 1.5 earthquake occured in region: 1 km W Siena (SI), on
and geographic coordinates (lat, lon) 43.3160, 11.3240 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 | 9 | 10116 | 64019 |
Monteriggioni | SI | 12 | 9810 | 73829 |
Monteroni d'Arbia | SI | 12 | 9088 | 82917 |
Castelnuovo Berardenga | SI | 15 | 9097 | 92014 |
Murlo | SI | 17 | 2389 | 94403 |
Castellina in Chianti | SI | 18 | 2859 | 97262 |
Gaiole in Chianti | SI | 19 | 2758 | 100020 |
Radda in Chianti | SI | 20 | 1613 | 101633 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.5 | 2023-02-11 22:56:09 |
43.3163 | 11.3235 | 9 | 2024-03-01 17:18:08 |
Bollettino Sismico Italiano INGV | 117289841 |
Reviewed Rev100 |
ML 1.4 | 2023-02-11 22:56:10 |
43.3252 | 11.3193 | 8 | 2023-02-11 23:26:14 |
Sala Sismica INGV-Roma | 114360471 |
Field | Value |
---|---|
Time (UTC) | 2023-02-11 22:56:09 ± 0.11 |
Latitude | 43.3163 ± 0.0054 |
Longitude | 11.3235 ± 0.0111 |
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 | 117289841 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 799 |
Semi-minor axis of confidence ellipse (meter) | 534 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 297 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 800.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 72 |
Number of associated phases, regardless of their use for origin computation | 30 |
Number of defining phases | 27 |
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) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.74194 |
Number of stations at which the event was observed | 19 |
Number of stations from which data was used for origin computation | 16 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.2 |
Num. used stations | 20 |
Type of magnitude | ML |
Reference to an origin | 117289841 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2023-05-12 13:30:25 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.2 |
Num. used stations | 20 |
Type of magnitude | ML |
Reference to an origin | 114360471 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-02-11 23:26:14 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IT.MCLF.HNZ. | 2023-02-11T22:57:33.39 | 3.0 | undecidable | manual | Sg | 2.04 | 0 | |||
IV.SARZ.HHZ. | 2023-02-11T22:57:22.50 | 3.0 | undecidable | manual | Sg | 1.71 | 0 | |||
IV.CASP.HHZ. | 2023-02-11T22:56:31.50 | 0.3 | undecidable | manual | S | 213 | 69.1752 | 50 | 0.06 | 69 |
IV.RUFI.EHZ. | 2023-02-11T22:56:28.52 | 0.3 | undecidable | manual | S | 14 | 59.7957 | 50 | -0.41 | 65 |
IV.ARCI.HHZ. | 2023-02-11T22:56:27.32 | 0.6 | undecidable | manual | S | 167 | 53.0025 | 50 | 0.2 | 46 |
IV.CAFI.HHZ. | 2023-02-11T22:56:26.08 | 0.6 | undecidable | manual | S | 88 | 51.9036 | 50 | -0.76 | 39 |
IV.PARC.HHZ. | 2023-02-11T22:56:24.99 | 0.3 | undecidable | manual | P | 63 | 82.3509 | 50 | 0.58 | 59 |
IV.SFI.EHZ. | 2023-02-11T22:56:24.47 | 0.3 | undecidable | manual | P | 33 | 77.6667 | 50 | 0.78 | 55 |
IV.PII.HHZ. | 2023-02-11T22:56:24.00 | 0.1 | undecidable | manual | P | 305 | 78.4659 | 50 | 0.19 | 88 |
IV.CASP.HHZ. | 2023-02-11T22:56:23.24 | 0.3 | undecidable | manual | P | 213 | 69.1752 | 50 | 0.87 | 54 |
IV.TRIF.CHZ. | 2023-02-11T22:56:23.27 | 0.3 | undecidable | manual | S | 237 | 40.7259 | 50 | -0.58 | 64 |
IV.MALA5.EHZ. | 2023-02-11T22:56:22.30 | 0.6 | undecidable | manual | S | 160 | 36.5412 | 50 | -0.44 | 45 |
IV.MALA1.EHZ. | 2023-02-11T22:56:22.54 | 0.6 | undecidable | manual | S | 160 | 36.8298 | 50 | -0.27 | 47 |
IV.MALA4.EHZ. | 2023-02-11T22:56:22.32 | 0.3 | undecidable | manual | S | 160 | 36.6411 | 50 | -0.45 | 67 |
IV.RUFI.EHZ. | 2023-02-11T22:56:21.44 | 0.1 | undecidable | manual | P | 14 | 59.7957 | 50 | 0.51 | 85 |
IV.FRON.EHZ. | 2023-02-11T22:56:21.93 | 3.0 | undecidable | manual | P | -4.45 | 0 | |||
IV.CRE.HHZ. | 2023-02-11T22:56:21.96 | 0.3 | undecidable | manual | P | 56 | 60.6948 | 50 | 0.89 | 55 |
IV.ARCI.HHZ. | 2023-02-11T22:56:19.80 | 0.1 | undecidable | manual | P | 167 | 53.0025 | 50 | -0.09 | 94 |
IV.CAFI.HHZ. | 2023-02-11T22:56:19.84 | 0.1 | undecidable | manual | P | 88 | 51.9036 | 50 | 0.13 | 94 |
IV.OSSC.HHZ. | 2023-02-11T22:56:18.34 | 0.6 | undecidable | manual | S | 345 | 23.8539 | 110 | -0.44 | 46 |
IV.MALA4.EHZ. | 2023-02-11T22:56:17.17 | 0.3 | undecidable | manual | P | 160 | 36.6411 | 50 | -0.2 | 71 |
IV.MALA2.EHZ. | 2023-02-11T22:56:17.23 | 0.3 | undecidable | manual | P | 160 | 36.9297 | 50 | -0.18 | 71 |
IV.TRIF.CHZ. | 2023-02-11T22:56:17.98 | 0.1 | undecidable | manual | P | 237 | 40.7259 | 50 | -0.02 | 98 |
IV.FROS.CHZ. | 2023-02-11T22:56:17.06 | 0.3 | undecidable | manual | S | 229 | 17.9709 | 116 | 0.15 | 74 |
IV.MALA5.EHZ. | 2023-02-11T22:56:17.20 | 0.3 | undecidable | manual | P | 160 | 36.5412 | 50 | -0.14 | 72 |
IV.MALA1.EHZ. | 2023-02-11T22:56:17.26 | 0.3 | undecidable | manual | P | 160 | 36.8298 | 50 | -0.14 | 72 |
IV.CSNT.HHZ. | 2023-02-11T22:56:16.30 | 0.1 | undecidable | manual | S | 351 | 17.5713 | 116 | -0.5 | 92 |
IV.OSSC.HHZ. | 2023-02-11T22:56:14.86 | 0.1 | undecidable | manual | P | 345 | 23.8539 | 110 | -0.21 | 97 |
IV.FROS.CHZ. | 2023-02-11T22:56:14.37 | 0.1 | undecidable | manual | P | 229 | 17.9709 | 116 | 0.38 | 94 |
IV.CSNT.HHZ. | 2023-02-11T22:56:13.81 | 0.1 | undecidable | manual | P | 351 | 17.5713 | 116 | -0.11 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CSNT.HHN. | ML:1.6 | 0.00033099999999999997 | 0.12 | AML | other | m | 2023-02-11T22:56:16.56 |
IV.CSNT.HHE. | ML:1.5 | 0.0002945 | 0.32 | AML | other | m | 2023-02-11T22:56:16.65 |
IV.FROS.CHE. | ML:2.0 | 0.0007555000000000001 | 0.2 | AML | other | m | 2023-02-11T22:56:17.34 |
IV.FROS.CHN. | ML:2.0 | 0.0008029999999999999 | 0.12 | AML | other | m | 2023-02-11T22:56:17.76 |
IV.OSSC.HHE. | ML:1.6 | 0.0002825 | 0.22 | AML | other | m | 2023-02-11T22:56:18.74 |
IV.OSSC.HHN. | ML:1.4 | 0.0001715 | 1.8 | AML | other | m | 2023-02-11T22:56:18.95 |
IV.TRIF.CHE. | ML:1.6 | 0.000133 | 0.88 | AML | other | m | 2023-02-11T22:56:23.75 |
IV.TRIF.CHN. | ML:1.4 | 0.00009534999999999999 | 0.9 | AML | other | m | 2023-02-11T22:56:25.88 |
IV.CAFI.HHE. | ML:1.3 | 0.00004565 | 1.68 | AML | other | m | 2023-02-11T22:56:26.14 |
IV.CAFI.HHN. | ML:1.2 | 0.000041150000000000004 | 0.36 | AML | other | m | 2023-02-11T22:56:27.63 |
IV.ARCI.HHE. | ML:1.4 | 0.00005695 | 0.9 | AML | other | m | 2023-02-11T22:56:29.64 |
IV.ARCI.HHN. | ML:1.4 | 0.00005615 | 1.12 | AML | other | m | 2023-02-11T22:56:29.76 |
IV.RUFI.EHN. | ML:1.3 | 0.00004235 | 0.4 | AML | other | m | 2023-02-11T22:56:29.58 |
IV.RUFI.EHE. | ML:1.5 | 0.00006295 | 0.74 | AML | other | m | 2023-02-11T22:56:30.38 |
IV.CASP.HHN. | ML:1.6 | 0.0000585 | 1.64 | AML | other | m | 2023-02-11T22:56:33.86 |
IV.CASP.HHE. | ML:1.4 | 0.000041599999999999995 | 1.68 | AML | other | m | 2023-02-11T22:56:34.89 |
IV.CRE.HHN. | ML:1.3 | 0.00003785 | 0.74 | AML | other | m | 2023-02-11T22:56:34.11 |
IV.PII.HHE. | ML:1.3 | 0.000029650000000000002 | 0.62 | AML | other | m | 2023-02-11T22:56:34.35 |
IV.CRE.HHE. | ML:1.3 | 0.000040300000000000004 | 0.62 | AML | other | m | 2023-02-11T22:56:35.57 |
IV.PII.HHN. | ML:1.4 | 0.00003875 | 0.76 | AML | other | m | 2023-02-11T22:56:36.58 |