A magnitude ML 1.8 earthquake occured in region: 3 km E Siena (SI), on
and geographic coordinates (lat, lon) 43.3140, 11.3720 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 | 3 | 53903 | 53903 |
Monteroni d'Arbia | SI | 10 | 9088 | 62991 |
Castelnuovo Berardenga | SI | 11 | 9097 | 72088 |
Sovicille | SI | 12 | 10116 | 82204 |
Monteriggioni | SI | 15 | 9810 | 92014 |
Murlo | SI | 16 | 2389 | 94403 |
Asciano | SI | 18 | 7118 | 101521 |
Gaiole in Chianti | SI | 18 | 2758 | 104279 |
Castellina in Chianti | SI | 19 | 2859 | 107138 |
Rapolano Terme | SI | 19 | 5249 | 112387 |
Radda in Chianti | SI | 19 | 1613 | 114000 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.8 | 2023-02-09 08:31:08 |
43.314 | 11.3722 | 9 | 2024-03-01 17:17:58 |
Bollettino Sismico Italiano INGV | 115338281 |
Reviewed Rev100 |
ML 1.8 | 2023-02-09 08:31:08 |
43.3218 | 11.406 | 5 | 2023-02-09 08:46:39 |
Sala Sismica INGV-Roma | 114287641 |
Field | Value |
---|---|
Time (UTC) | 2023-02-09 08:31:08 ± 0.11 |
Latitude | 43.3140 ± 0.0045 |
Longitude | 11.3722 ± 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 | 115338281 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 968 |
Semi-minor axis of confidence ellipse (meter) | 499 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 290 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 970.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 90 |
Number of associated phases, regardless of their use for origin computation | 34 |
Number of defining phases | 34 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.34 |
Epicentral distance of station closest to the epicenter (degree) | 0.16997 |
Epicentral distance of station farthest from the epicenter (degree) | 0.74014 |
Number of stations at which the event was observed | 21 |
Number of stations from which data was used for origin computation | 21 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.3 |
Num. used stations | 21 |
Type of magnitude | ML |
Reference to an origin | 115338281 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2023-09-19 09:52:53 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.3 |
Num. used stations | 21 |
Type of magnitude | ML |
Reference to an origin | 114287641 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-02-09 08:46:39 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RUFI.EHZ. | 2023-02-09T08:31:27.17 | 0.6 | undecidable | manual | S | 11 | 59.1963 | 50 | -0.34 | 46 |
IV.CRE.HHZ. | 2023-02-09T08:31:27.20 | 0.6 | undecidable | manual | S | 54 | 57.5979 | 50 | 0.1 | 48 |
IV.ARCI.HHZ. | 2023-02-09T08:31:26.10 | 0.6 | undecidable | manual | S | 171 | 51.9036 | 50 | 0.52 | 44 |
TV.SF11.HHZ. | 2023-02-09T08:31:25.63 | 0.6 | undecidable | manual | S | 153 | 55.3002 | 50 | -0.85 | 39 |
IV.SEI.HHZ. | 2023-02-09T08:31:23.45 | 0.6 | undecidable | manual | P | 359 | 82.1511 | 50 | 0.33 | 44 |
IV.TRIF.CHZ. | 2023-02-09T08:31:23.28 | 0.6 | undecidable | manual | S | 240 | 43.9227 | 50 | -0.16 | 49 |
IV.CAFI.HHZ. | 2023-02-09T08:31:23.84 | 0.6 | undecidable | manual | S | 88 | 48.0186 | 50 | -0.69 | 42 |
IV.SFI.EHZ. | 2023-02-09T08:31:22.88 | 0.3 | undecidable | manual | P | 30 | 75.8685 | 50 | 0.73 | 59 |
IV.CASP.HHZ. | 2023-02-09T08:31:22.15 | 0.6 | undecidable | manual | P | 215 | 71.0733 | 50 | 0.72 | 39 |
IV.BADI.EHZ. | 2023-02-09T08:31:22.73 | 0.6 | undecidable | manual | P | 73 | 73.5708 | 50 | 0.93 | 36 |
IV.SACS.HHE. | 2023-02-09T08:31:21.44 | 0.3 | undecidable | manual | P | 140 | 67.4769 | 50 | 0.57 | 64 |
IV.ATMC.EHE. | 2023-02-09T08:31:21.37 | 0.6 | undecidable | manual | P | 77 | 67.7766 | 50 | 0.46 | 44 |
IV.MALA5.EHN. | 2023-02-09T08:31:20.46 | 0.3 | undecidable | manual | S | 166 | 35.1426 | 50 | -0.63 | 66 |
IV.CRMI.HNN. | 2023-02-09T08:31:20.79 | 1.0 | undecidable | manual | P | 330 | 62.0934 | 50 | 0.76 | 20 |
IV.MCIV.CHE. | 2023-02-09T08:31:20.54 | 0.6 | undecidable | manual | P | 157 | 64.2912 | 50 | 0.16 | 47 |
IV.MALA0.EHN. | 2023-02-09T08:31:20.63 | 0.3 | undecidable | manual | S | 166 | 35.1426 | 50 | -0.47 | 70 |
IV.MALA1.EHN. | 2023-02-09T08:31:20.64 | 0.3 | undecidable | manual | S | 166 | 35.4423 | 50 | -0.54 | 68 |
IV.MALA4.EHZ. | 2023-02-09T08:31:20.61 | 0.3 | undecidable | manual | S | 166 | 35.2425 | 50 | -0.52 | 69 |
TV.SF11.HHZ. | 2023-02-09T08:31:19.42 | 0.3 | undecidable | manual | P | 153 | 55.3002 | 50 | 0.43 | 68 |
IV.CRE.HHZ. | 2023-02-09T08:31:19.94 | 0.3 | undecidable | manual | P | 54 | 57.5979 | 50 | 0.59 | 64 |
IV.RUFI.EHZ. | 2023-02-09T08:31:19.62 | 0.3 | undecidable | manual | P | 11 | 59.1963 | 50 | 0.04 | 73 |
IV.ARCI.HHZ. | 2023-02-09T08:31:18.61 | 0.3 | undecidable | manual | P | 171 | 51.9036 | 50 | 0.14 | 72 |
IV.OSSC.HHZ. | 2023-02-09T08:31:17.66 | 0.3 | undecidable | manual | S | 336 | 25.3524 | 109 | -0.42 | 72 |
IV.TRIF.CHZ. | 2023-02-09T08:31:17.57 | 0.6 | undecidable | manual | P | 240 | 43.9227 | 50 | 0.34 | 47 |
IV.CAFI.HHZ. | 2023-02-09T08:31:17.81 | 0.3 | undecidable | manual | P | 88 | 48.0186 | 50 | -0.05 | 74 |
IV.FROS.CHZ. | 2023-02-09T08:31:16.88 | 0.1 | undecidable | manual | S | 237 | 20.9679 | 113 | 0.24 | 100 |
IV.MALA4.EHZ. | 2023-02-09T08:31:15.84 | 0.3 | undecidable | manual | P | 166 | 35.2425 | 50 | -0.06 | 76 |
IV.MALA5.EHN. | 2023-02-09T08:31:15.96 | 0.3 | undecidable | manual | P | 166 | 35.1426 | 50 | 0.08 | 76 |
IV.CSNT.HHZ. | 2023-02-09T08:31:15.51 | 0.1 | undecidable | manual | S | 340 | 18.87 | 115 | -0.47 | 96 |
IV.MALA0.EHN. | 2023-02-09T08:31:15.78 | 0.3 | undecidable | manual | P | 166 | 35.1426 | 50 | -0.11 | 75 |
IV.MALA1.EHN. | 2023-02-09T08:31:15.92 | 0.6 | undecidable | manual | P | 166 | 35.4423 | 50 | -0.01 | 51 |
IV.FROS.CHZ. | 2023-02-09T08:31:13.57 | 0.1 | undecidable | manual | P | 237 | 20.9679 | 113 | 0.26 | 100 |
IV.OSSC.HHZ. | 2023-02-09T08:31:13.85 | 0.1 | undecidable | manual | P | 336 | 25.3524 | 109 | -0.29 | 98 |
IV.CSNT.HHZ. | 2023-02-09T08:31:12.67 | 0.1 | undecidable | manual | P | 340 | 18.87 | 115 | -0.26 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CSNT.HHE. | ML:2.3 | 0.0016467961500000001 | 0.096 | AML | other | m | 2023-02-09T08:31:15.72 |
IV.CSNT.HHN. | ML:2.0 | 0.0009094999999999999 | 0.22 | AML | other | m | 2023-02-09T08:31:15.85 |
IV.FROS.CHE. | ML:2.0 | 0.0007765 | 1.86 | AML | other | m | 2023-02-09T08:31:17.04 |
IV.FROS.CHN. | ML:2.5 | 0.0021399999999999995 | 0.16 | AML | other | m | 2023-02-09T08:31:17.45 |
IV.OSSC.HHE. | ML:1.9 | 0.000498 | 0.12 | AML | other | m | 2023-02-09T08:31:17.84 |
IV.OSSC.HHN. | ML:1.9 | 0.000461 | 1.86 | AML | other | m | 2023-02-09T08:31:17.96 |
IV.CAFI.HNE. | ML:1.3 | 0.000062350095 | 0.3776 | AML | other | m | 2023-02-09T08:31:24.20 |
IV.CAFI.HHN. | ML:1.5 | 0.000088778355 | 1.5968 | AML | other | m | 2023-02-09T08:31:25.98 |
IV.CAFI.HNN. | ML:1.6 | 0.00009783452000000001 | 1.5904 | AML | other | m | 2023-02-09T08:31:25.98 |
IV.ARCI.HHN. | ML:1.9 | 0.0001908801 | 0.1216 | AML | other | m | 2023-02-09T08:31:27.13 |
IV.ARCI.HNN. | ML:1.9 | 0.0001840343 | 0.1344 | AML | other | m | 2023-02-09T08:31:27.13 |
IV.CAFI.HHE. | ML:1.3 | 0.00005680354 | 0.3008 | AML | other | m | 2023-02-09T08:31:27.33 |
IV.ARCI.HHE. | ML:1.7 | 0.000134069885 | 0.256 | AML | other | m | 2023-02-09T08:31:27.78 |
IV.ARCI.HNE. | ML:1.7 | 0.000133737435 | 0.2752 | AML | other | m | 2023-02-09T08:31:27.79 |
IV.CRE.HHE. | ML:1.6 | 0.00007965 | 1.16 | AML | other | m | 2023-02-09T08:31:28.27 |
IV.RUFI.EHE. | ML:1.5 | 0.00005846223 | 0.3392 | AML | other | m | 2023-02-09T08:31:28.79 |
IV.CRE.HHN. | ML:1.6 | 0.00007925 | 0.24 | AML | other | m | 2023-02-09T08:31:30.85 |
IV.CASP.HHN. | ML:1.8 | 0.00009789102999999999 | 0.32 | AML | other | m | 2023-02-09T08:31:33.45 |
IV.CASP.HHE. | ML:1.7 | 0.00008774999999999999 | 0.28 | AML | other | m | 2023-02-09T08:31:33.68 |
IV.SEI.HHE. | ML:1.8 | 0.00008795 | 1.56 | AML | other | m | 2023-02-09T08:31:40.21 |
IV.SEI.HHN. | ML:2.1 | 0.00016 | 1.54 | AML | other | m | 2023-02-09T08:31:41.85 |