A magnitude ML 1.3 earthquake occured in region: 1 km E Siena (SI), on
and geographic coordinates (lat, lon) 43.3170, 11.3460 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 |
Castelnuovo Berardenga | SI | 13 | 9097 | 82204 |
Monteriggioni | SI | 13 | 9810 | 92014 |
Murlo | SI | 17 | 2389 | 94403 |
Castellina in Chianti | SI | 18 | 2859 | 97262 |
Gaiole in Chianti | SI | 18 | 2758 | 100020 |
Radda in Chianti | SI | 19 | 1613 | 101633 |
Asciano | SI | 20 | 7118 | 108751 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.3 | 2023-02-08 21:30:02 |
43.3173 | 11.3457 | 9 | 2024-03-01 17:18:16 |
Bollettino Sismico Italiano INGV | 120613511 |
Field | Value |
---|---|
Time (UTC) | 2023-02-08 21:30:02 ± 0.11 |
Latitude | 43.3173 ± 0.0072 |
Longitude | 11.3457 ± 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 | 120613511 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1124 |
Semi-minor axis of confidence ellipse (meter) | 694 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 304 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1120.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 103 |
Number of associated phases, regardless of their use for origin computation | 26 |
Number of defining phases | 20 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.31 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.53330 |
Number of stations at which the event was observed | 17 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 120613511 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2023-08-30 15:26:01 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.PTCC.HHZ. | 2023-02-08T21:31:43.73 | 3.0 | undecidable | manual | Sg | 11.57 | 0 | |||
IV.VARE.HHZ. | 2023-02-08T21:31:23.16 | 3.0 | undecidable | manual | Sn | -0.69 | 0 | |||
IV.IVPL.HHZ. | 2023-02-08T21:31:22.35 | 3.0 | undecidable | manual | Pn | -2.02 | 0 | |||
IV.FREG.EHZ. | 2023-02-08T21:31:16.31 | 3.0 | undecidable | manual | Sn | -0.23 | 0 | |||
IV.CDRU.HHZ. | 2023-02-08T21:30:59.80 | 3.0 | undecidable | manual | Pn | -3.25 | 0 | |||
IV.MSSA.HHZ. | 2023-02-08T21:30:29.74 | 3.0 | positive | manual | Pn | 2.62 | 0 | |||
IV.ARCI.HHZ. | 2023-02-08T21:30:19.82 | 0.6 | undecidable | manual | S | 168 | 52.7028 | 50 | 0.71 | 39 |
IV.CAFI.HHZ. | 2023-02-08T21:30:17.84 | 0.6 | undecidable | manual | S | 88 | 50.1165 | 50 | -0.58 | 42 |
IV.TRIF.CHZ. | 2023-02-08T21:30:15.97 | 0.6 | undecidable | manual | S | 238 | 42.2244 | 50 | -0.36 | 45 |
IV.MALA1.EHN. | 2023-02-08T21:30:14.41 | 0.6 | undecidable | manual | S | 163 | 36.3414 | 50 | -0.34 | 45 |
IV.MALA0.EHN. | 2023-02-08T21:30:14.27 | 0.6 | undecidable | manual | S | 163 | 36.0417 | 50 | -0.4 | 45 |
IV.MALA4.EHZ. | 2023-02-08T21:30:14.09 | 0.6 | undecidable | manual | S | 163 | 36.2415 | 50 | -0.61 | 42 |
IV.CRE.HHE. | 2023-02-08T21:30:13.93 | 0.3 | undecidable | manual | P | 55 | 59.1963 | 50 | 0.97 | 52 |
IV.ARCI.HHZ. | 2023-02-08T21:30:12.40 | 0.3 | undecidable | manual | P | 168 | 52.7028 | 50 | 0.43 | 65 |
TV.SF11.HHZ. | 2023-02-08T21:30:12.72 | 0.3 | undecidable | manual | P | 151 | 56.5989 | 50 | 0.15 | 68 |
IV.CAFI.HHZ. | 2023-02-08T21:30:11.71 | 0.3 | undecidable | manual | P | 88 | 50.1165 | 50 | 0.14 | 69 |
IV.TRIF.CHZ. | 2023-02-08T21:30:10.78 | 0.3 | undecidable | manual | P | 238 | 42.2244 | 50 | 0.42 | 66 |
IV.OSSC.HHZ. | 2023-02-08T21:30:10.98 | 0.6 | undecidable | manual | S | 341 | 24.2535 | 111 | -0.25 | 47 |
IV.MALA0.EHN. | 2023-02-08T21:30:09.29 | 0.3 | undecidable | manual | P | 163 | 36.0417 | 50 | -0.12 | 72 |
IV.MALA4.EHZ. | 2023-02-08T21:30:09.22 | 0.3 | undecidable | manual | P | 163 | 36.2415 | 50 | -0.2 | 70 |
IV.MALA1.EHN. | 2023-02-08T21:30:09.29 | 0.3 | undecidable | manual | P | 163 | 36.3414 | 50 | -0.16 | 71 |
IV.FROS.CHZ. | 2023-02-08T21:30:09.58 | 0.6 | undecidable | manual | S | 232 | 19.3695 | 116 | -0.1 | 49 |
IV.CSNT.HHZ. | 2023-02-08T21:30:08.84 | 0.6 | undecidable | manual | S | 346 | 17.871 | 118 | -0.35 | 47 |
IV.OSSC.HHZ. | 2023-02-08T21:30:07.35 | 0.1 | undecidable | manual | P | 341 | 24.2535 | 111 | -0.06 | 98 |
IV.CSNT.HHZ. | 2023-02-08T21:30:06.20 | 0.1 | positive | manual | P | 346 | 17.871 | 118 | -0.04 | 100 |
IV.FROS.CHZ. | 2023-02-08T21:30:06.72 | 0.1 | undecidable | manual | P | 232 | 19.3695 | 116 | 0.2 | 96 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CSNT.HHE. | ML:1.3 | 0.00016649999999999998 | 0.42 | AML | other | m | 2023-02-08T21:30:09.14 |
IV.CSNT.HHN. | ML:1.3 | 0.0001565 | 1.04 | AML | other | m | 2023-02-08T21:30:09.21 |
IV.FROS.CHN. | ML:1.8 | 0.0004995 | 0.14 | AML | other | m | 2023-02-08T21:30:10.27 |
IV.FROS.CHE. | ML:1.8 | 0.00045999999999999996 | 0.76 | AML | other | m | 2023-02-08T21:30:10.77 |
IV.OSSC.HHE. | ML:1.2 | 0.0001053 | 0.7 | AML | other | m | 2023-02-08T21:30:11.23 |
IV.OSSC.HHN. | ML:1.1 | 0.00007064205499999999 | 0.1536 | AML | other | m | 2023-02-08T21:30:11.30 |
IV.TRIF.CHE. | ML:1.5 | 0.0001017 | 1.12 | AML | other | m | 2023-02-08T21:30:16.65 |
IV.CAFI.HHN. | ML:1.1 | 0.000031735441 | 0.2176 | AML | other | m | 2023-02-08T21:30:19.35 |