A magnitude ML 1.6 earthquake occured in region: 1 km S Siena (SI), on
and geographic coordinates (lat, lon) 43.3100, 11.3300 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 |
Monteroni d'Arbia | SI | 12 | 9088 | 73107 |
Monteriggioni | SI | 13 | 9810 | 82917 |
Castelnuovo Berardenga | SI | 15 | 9097 | 92014 |
Murlo | SI | 16 | 2389 | 94403 |
Castellina in Chianti | SI | 18 | 2859 | 97262 |
Gaiole in Chianti | SI | 20 | 2758 | 100020 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.6 | 2023-02-08 23:11:31 |
43.3098 | 11.3295 | 9 | 2024-03-01 17:18:15 |
Bollettino Sismico Italiano INGV | 120582341 |
Reviewed Rev100 |
ML 1.6 | 2023-02-08 23:11:31 |
43.3227 | 11.3083 | 12 | 2023-02-08 23:36:53 |
Sala Sismica INGV-Roma | 114274781 |
Field | Value |
---|---|
Time (UTC) | 2023-02-08 23:11:31 ± 0.12 |
Latitude | 43.3098 ± 0.0045 |
Longitude | 11.3295 ± 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 | 120582341 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 971 |
Semi-minor axis of confidence ellipse (meter) | 487 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 282 |
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) | 106 |
Number of associated phases, regardless of their use for origin computation | 36 |
Number of defining phases | 32 |
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) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.74104 |
Number of stations at which the event was observed | 22 |
Number of stations from which data was used for origin computation | 18 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 120582341 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2023-08-29 10:10:36 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 114274781 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-02-08 23:36:53 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.PAOL.HHZ. | 2023-02-08T23:13:10.76 | 3.0 | undecidable | manual | Sg | 12.17 | 0 | |||
OX.MARN.HHZ. | 2023-02-08T23:12:32.41 | 3.0 | undecidable | manual | Sn | -1.78 | 0 | |||
MN.TRI.HHZ. | 2023-02-08T23:12:14.35 | 3.0 | undecidable | manual | Pn | -0.44 | 0 | |||
IV.MSSA.HHZ. | 2023-02-08T23:11:58.53 | 3.0 | negative | manual | Pn | 1.89 | 0 | |||
IV.BOSL.HHE. | 2023-02-08T23:11:52.27 | 0.3 | undecidable | manual | S | 3 | 68.9754 | 50 | -0.08 | 71 |
IV.MCIV.CHE. | 2023-02-08T23:11:50.26 | 0.6 | undecidable | manual | S | 154 | 65.2902 | 50 | -1.11 | 33 |
IV.CRE.HHE. | 2023-02-08T23:11:50.41 | 0.6 | undecidable | manual | S | 55 | 60.6948 | 50 | 0.26 | 46 |
IV.RUFI.EHZ. | 2023-02-08T23:11:49.62 | 0.6 | undecidable | manual | S | 14 | 60.2952 | 50 | -0.43 | 45 |
TV.SF11.HHZ. | 2023-02-08T23:11:48.07 | 0.3 | undecidable | manual | S | 150 | 56.499 | 50 | -0.96 | 55 |
IV.ARCI.HHZ. | 2023-02-08T23:11:48.30 | 0.6 | undecidable | manual | S | 167 | 52.2033 | 50 | 0.43 | 45 |
IV.CAFI.HHZ. | 2023-02-08T23:11:47.20 | 0.3 | undecidable | manual | S | 87 | 51.4152 | 50 | -0.47 | 67 |
IV.PARC.HHE. | 2023-02-08T23:11:46.12 | 0.3 | undecidable | manual | P | 63 | 82.251 | 50 | 0.73 | 58 |
IV.SFI.HNN. | 2023-02-08T23:11:45.47 | 0.3 | undecidable | manual | P | 32 | 77.9664 | 50 | 0.74 | 58 |
IV.TRIF.CHZ. | 2023-02-08T23:11:44.52 | 0.6 | undecidable | manual | S | 238 | 40.7259 | 50 | -0.29 | 48 |
IV.VMGN.HHN. | 2023-02-08T23:11:44.55 | 0.3 | undecidable | manual | P | 13 | 73.371 | 50 | 0.53 | 63 |
IV.MGAB.HHZ. | 2023-02-08T23:11:44.86 | 0.3 | undecidable | manual | P | 125 | 77.1672 | 50 | 0.25 | 67 |
IV.MCIV.CHE. | 2023-02-08T23:11:43.07 | 0.1 | undecidable | manual | P | 154 | 65.2902 | 50 | 0.29 | 91 |
IV.BOSL.HHE. | 2023-02-08T23:11:43.28 | 0.3 | undecidable | manual | P | 3 | 68.9754 | 50 | -0.06 | 71 |
IV.MALA1.EHN. | 2023-02-08T23:11:42.96 | 0.6 | undecidable | manual | S | 161 | 35.9418 | 50 | -0.58 | 44 |
IV.RUFI.EHZ. | 2023-02-08T23:11:42.13 | 0.3 | undecidable | manual | P | 14 | 60.2952 | 50 | 0.12 | 71 |
IV.CRE.HHE. | 2023-02-08T23:11:42.98 | 0.3 | undecidable | manual | P | 55 | 60.6948 | 50 | 0.91 | 56 |
IV.MALA0.EHN. | 2023-02-08T23:11:42.84 | 0.6 | undecidable | manual | S | 161 | 35.742 | 50 | -0.62 | 44 |
IV.MALA4.EHZ. | 2023-02-08T23:11:42.84 | 0.6 | undecidable | manual | S | 160 | 35.8419 | 50 | -0.66 | 43 |
IV.ARCI.HHZ. | 2023-02-08T23:11:41.34 | 0.3 | undecidable | manual | P | 167 | 52.2033 | 50 | 0.59 | 64 |
TV.SF11.HHZ. | 2023-02-08T23:11:41.67 | 0.1 | undecidable | manual | P | 150 | 56.499 | 50 | 0.24 | 93 |
IV.CAFI.HHZ. | 2023-02-08T23:11:40.76 | 0.3 | undecidable | manual | P | 87 | 51.4152 | 50 | 0.12 | 73 |
IV.TRIF.CHZ. | 2023-02-08T23:11:39.29 | 0.3 | undecidable | manual | P | 238 | 40.7259 | 50 | 0.3 | 71 |
IV.OSSC.HHZ. | 2023-02-08T23:11:39.63 | 0.3 | undecidable | manual | S | 344 | 24.6531 | 110 | -0.52 | 70 |
IV.MALA0.EHN. | 2023-02-08T23:11:38.22 | 0.3 | undecidable | manual | P | 161 | 35.742 | 50 | 0 | 76 |
IV.MALA4.EHZ. | 2023-02-08T23:11:38.07 | 0.3 | undecidable | manual | P | 160 | 35.8419 | 50 | -0.16 | 74 |
IV.MALA1.EHN. | 2023-02-08T23:11:38.21 | 0.3 | undecidable | manual | P | 161 | 35.9418 | 50 | -0.05 | 76 |
IV.FROS.CHZ. | 2023-02-08T23:11:38.13 | 0.3 | undecidable | manual | S | 232 | 17.871 | 117 | 0.14 | 77 |
IV.CSNT.HHZ. | 2023-02-08T23:11:37.52 | 0.3 | undecidable | manual | S | 350 | 18.3705 | 116 | -0.63 | 67 |
IV.OSSC.HHZ. | 2023-02-08T23:11:36.00 | 0.3 | undecidable | manual | P | 344 | 24.6531 | 110 | -0.3 | 73 |
IV.FROS.CHZ. | 2023-02-08T23:11:35.44 | 0.1 | undecidable | manual | P | 232 | 17.871 | 117 | 0.38 | 97 |
IV.CSNT.HHZ. | 2023-02-08T23:11:34.91 | 0.1 | undecidable | manual | P | 350 | 18.3705 | 116 | -0.24 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FROS.CHE. | ML:1.8 | 0.0005105000000000001 | 0.16 | AML | other | m | 2023-02-08T23:11:38.28 |
IV.FROS.CHN. | ML:1.6 | 0.0003636498 | 0.3328 | AML | other | m | 2023-02-08T23:11:39.40 |
IV.OSSC.HHN. | ML:1.7 | 0.00028305619999999997 | 0.1792 | AML | other | m | 2023-02-08T23:11:39.88 |
IV.OSSC.HHE. | ML:1.8 | 0.00042300000000000004 | 1.82 | AML | other | m | 2023-02-08T23:11:39.92 |
IV.CAFI.HHE. | ML:1.3 | 0.00004973495 | 0.2432 | AML | other | m | 2023-02-08T23:11:47.90 |
IV.CAFI.HHN. | ML:1.4 | 0.00006334276550000001 | 0.2432 | AML | other | m | 2023-02-08T23:11:48.40 |
IV.ARCI.HHN. | ML:1.6 | 0.00010220000000000002 | 0.68 | AML | other | m | 2023-02-08T23:11:49.57 |
IV.ARCI.HNN. | ML:1.4 | 0.000072255625 | 0.192 | AML | other | m | 2023-02-08T23:11:49.57 |
IV.ARCI.HNE. | ML:1.6 | 0.000090956705 | 0.5376 | AML | other | m | 2023-02-08T23:11:49.86 |
IV.ARCI.HHE. | ML:1.6 | 0.00009279999999999999 | 1.06 | AML | other | m | 2023-02-08T23:11:50.59 |