A magnitude ML 1.3 earthquake occured in region: 1 km W Siena (SI), on
and geographic coordinates (lat, lon) 43.3160, 11.3160 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 | 8 | 10116 | 64019 |
Monteriggioni | SI | 12 | 9810 | 73829 |
Monteroni d'Arbia | SI | 13 | 9088 | 82917 |
Castelnuovo Berardenga | SI | 16 | 9097 | 92014 |
Castellina in Chianti | SI | 17 | 2859 | 94873 |
Murlo | SI | 17 | 2389 | 97262 |
Radda in Chianti | SI | 20 | 1613 | 98875 |
Gaiole in Chianti | SI | 20 | 2758 | 101633 |
Colle di Val d'Elsa | SI | 20 | 21620 | 123253 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.3 | 2023-02-12 05:36:48 |
43.3162 | 11.316 | 9 | 2024-03-01 17:18:16 |
Bollettino Sismico Italiano INGV | 120723331 |
Reviewed Rev100 |
ML 1.3 | 2023-02-12 05:36:49 |
43.3498 | 11.2628 | 9 | 2023-02-12 05:43:25 |
Sala Sismica INGV-Roma | 114369321 |
Field | Value |
---|---|
Time (UTC) | 2023-02-12 05:36:48 ± 0.14 |
Latitude | 43.3162 ± 0.0072 |
Longitude | 11.3160 ± 0.0136 |
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 | 120723331 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1049 |
Semi-minor axis of confidence ellipse (meter) | 654 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 296 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1050.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 97 |
Number of associated phases, regardless of their use for origin computation | 26 |
Number of defining phases | 26 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.41 |
Epicentral distance of station closest to the epicenter (degree) | 0.15738 |
Epicentral distance of station farthest from the epicenter (degree) | 0.74734 |
Number of stations at which the event was observed | 16 |
Number of stations from which data was used for origin computation | 16 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.3 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 120723331 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2023-09-04 00:10:17 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.3 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 114369321 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-02-12 05:43:25 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CASP.HHZ. | 2023-02-12T05:37:10.26 | 0.6 | undecidable | manual | S | 212 | 68.7756 | 50 | -0.09 | 47 |
IV.RUFI.EHE. | 2023-02-12T05:37:07.50 | 0.6 | undecidable | manual | S | 15 | 59.8956 | 50 | -0.49 | 44 |
TV.SF11.HHZ. | 2023-02-12T05:37:06.20 | 0.6 | undecidable | manual | S | 149 | 57.6978 | 50 | -1.19 | 32 |
IV.CAFI.HHZ. | 2023-02-12T05:37:05.39 | 0.6 | undecidable | manual | S | 88 | 52.503 | 50 | -0.61 | 43 |
IV.SFI.EHZ. | 2023-02-12T05:37:03.35 | 0.3 | undecidable | manual | P | 33 | 77.9664 | 50 | 0.62 | 61 |
IV.PARC.HHZ. | 2023-02-12T05:37:03.93 | 0.3 | undecidable | manual | P | 63 | 82.9503 | 50 | 0.44 | 64 |
IV.CASP.HHZ. | 2023-02-12T05:37:02.15 | 0.3 | undecidable | manual | P | 212 | 68.7756 | 50 | 0.83 | 57 |
IV.SSP9.EHZ. | 2023-02-12T05:37:02.40 | 0.3 | undecidable | manual | P | 66 | 71.5728 | 50 | 0.65 | 61 |
IV.TRIF.CHZ. | 2023-02-12T05:37:02.27 | 0.6 | undecidable | manual | S | 236 | 40.2264 | 50 | -0.45 | 46 |
IV.SACS.HHE. | 2023-02-12T05:37:02.48 | 0.3 | undecidable | manual | P | 137 | 70.6737 | 50 | 0.87 | 55 |
IV.MALA2.EHN. | 2023-02-12T05:37:01.26 | 0.6 | undecidable | manual | S | 159 | 37.0296 | 50 | -0.63 | 43 |
IV.MALA0.EHN. | 2023-02-12T05:37:01.00 | 0.6 | undecidable | manual | S | 160 | 36.741 | 50 | -0.79 | 41 |
IV.RUFI.EHE. | 2023-02-12T05:37:00.34 | 0.1 | undecidable | manual | P | 15 | 59.8956 | 50 | 0.39 | 90 |
IV.CRMI.HNN. | 2023-02-12T05:37:00.08 | 0.3 | undecidable | manual | P | 333 | 59.6958 | 50 | 0.17 | 71 |
IV.CRE.HHZ. | 2023-02-12T05:37:00.92 | 0.3 | undecidable | manual | P | 57 | 61.1943 | 50 | 0.77 | 59 |
TV.SF11.HHZ. | 2023-02-12T05:36:59.64 | 0.3 | undecidable | manual | P | 149 | 57.6978 | 50 | 0.03 | 73 |
IV.CAFI.HHZ. | 2023-02-12T05:36:58.68 | 0.1 | undecidable | manual | P | 88 | 52.503 | 50 | -0.13 | 96 |
IV.MALA0.EHN. | 2023-02-12T05:36:56.04 | 0.3 | undecidable | manual | P | 160 | 36.741 | 50 | -0.34 | 71 |
IV.TRIF.CHZ. | 2023-02-12T05:36:56.90 | 0.3 | undecidable | manual | P | 236 | 40.2264 | 50 | -0.01 | 76 |
IV.MALA2.EHN. | 2023-02-12T05:36:56.17 | 0.3 | undecidable | manual | P | 159 | 37.0296 | 50 | -0.26 | 72 |
IV.OSSC.HHZ. | 2023-02-12T05:36:56.91 | 0.6 | undecidable | manual | S | 346 | 23.6541 | 110 | -0.8 | 41 |
IV.CSNT.HHZ. | 2023-02-12T05:36:55.10 | 0.6 | undecidable | manual | S | 353 | 17.5713 | 116 | -0.64 | 45 |
IV.FROS.CHZ. | 2023-02-12T05:36:55.98 | 0.6 | undecidable | manual | S | 228 | 17.4714 | 116 | 0.25 | 50 |
IV.OSSC.HHZ. | 2023-02-12T05:36:53.71 | 0.1 | undecidable | manual | P | 346 | 23.6541 | 110 | -0.31 | 98 |
IV.FROS.CHZ. | 2023-02-12T05:36:53.24 | 0.1 | undecidable | manual | P | 228 | 17.4714 | 116 | 0.37 | 97 |
IV.CSNT.HHZ. | 2023-02-12T05:36:52.64 | 0.1 | undecidable | manual | P | 353 | 17.5713 | 116 | -0.24 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FROS.CHE. | ML:1.7 | 0.0004605 | 0.2 | AML | other | m | 2023-02-12T05:36:56.18 |
IV.FROS.CHN. | ML:1.8 | 0.000641 | 0.2 | AML | other | m | 2023-02-12T05:36:56.61 |
IV.OSSC.HHN. | ML:1.1 | 0.00007795 | 0.54 | AML | other | m | 2023-02-12T05:36:57.60 |
IV.OSSC.HHE. | ML:1.3 | 0.0001295 | 0.14 | AML | other | m | 2023-02-12T05:36:57.61 |
IV.TRIF.CHE. | ML:1.6 | 0.0001505 | 1.24 | AML | other | m | 2023-02-12T05:37:03.01 |
IV.TRIF.CHN. | ML:1.4 | 0.0000789 | 1.1 | AML | other | m | 2023-02-12T05:37:03.64 |
IV.CAFI.HHN. | ML:1.2 | 0.00003655 | 0.86 | AML | other | m | 2023-02-12T05:37:05.60 |
IV.CAFI.HHE. | ML:1.1 | 0.00003115 | 1.7 | AML | other | m | 2023-02-12T05:37:05.05 |
IV.CASP.HHN. | ML:1.4 | 0.000037699999999999995 | 0.34 | AML | other | m | 2023-02-12T05:37:12.90 |
IV.CASP.HHE. | ML:1.1 | 0.0000188 | 0.28 | AML | other | m | 2023-02-12T05:37:13.30 |