A magnitude ML 1.7 earthquake occured in region: 1 km E Siena (SI), on
and geographic coordinates (lat, lon) 43.3230, 11.3480 at 8 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 | 11 | 10116 | 64019 |
Monteroni d'Arbia | SI | 12 | 9088 | 73107 |
Castelnuovo Berardenga | SI | 13 | 9097 | 82204 |
Monteriggioni | SI | 13 | 9810 | 92014 |
Castellina in Chianti | SI | 17 | 2859 | 94873 |
Murlo | SI | 17 | 2389 | 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 1.7 | 2023-02-09 07:18:50 |
43.3227 | 11.3482 | 9 | 2024-03-01 17:18:00 |
Bollettino Sismico Italiano INGV | 115669071 |
Field | Value |
---|---|
Time (UTC) | 2023-02-09 07:18:50 ± 0.11 |
Latitude | 43.3227 ± 0.0045 |
Longitude | 11.3482 ± 0.0099 |
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 | 115669071 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 676 |
Semi-minor axis of confidence ellipse (meter) | 454 |
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) | 680.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 93 |
Number of associated phases, regardless of their use for origin computation | 32 |
Number of defining phases | 32 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.35 |
Epicentral distance of station closest to the epicenter (degree) | 0.15648 |
Epicentral distance of station farthest from the epicenter (degree) | 0.72305 |
Number of stations at which the event was observed | 18 |
Number of stations from which data was used for origin computation | 18 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.2 |
Num. used stations | 11 |
Type of magnitude | ML |
Reference to an origin | 115669071 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2023-09-18 14:10:03 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.PARC.HHE. | 2023-02-09T07:19:15.74 | 0.3 | undecidable | manual | S | 63 | 80.2641 | 50 | 0.36 | 65 |
IV.CASP.HHE. | 2023-02-09T07:19:13.57 | 1.0 | undecidable | manual | S | 214 | 70.7736 | 50 | 0.72 | 20 |
IV.ATMI.HHZ. | 2023-02-09T07:19:13.91 | 1.0 | undecidable | manual | S | 89 | 74.2701 | 50 | 0.14 | 23 |
IV.CRE.HHE. | 2023-02-09T07:19:09.64 | 0.3 | undecidable | manual | S | 56 | 58.6968 | 50 | 0.03 | 72 |
IV.CRMI.HNN. | 2023-02-09T07:19:09.51 | 0.3 | undecidable | manual | S | 331 | 60.2952 | 50 | -0.52 | 65 |
IV.RUFI.EHE. | 2023-02-09T07:19:09.71 | 0.3 | undecidable | manual | S | 13 | 58.5969 | 50 | 0.11 | 71 |
IV.ARCI.HHZ. | 2023-02-09T07:19:08.24 | 1.0 | undecidable | manual | S | 169 | 53.2023 | 50 | 0.08 | 24 |
IV.TRIF.CHZ. | 2023-02-09T07:19:05.39 | 0.3 | undecidable | manual | S | 238 | 42.7239 | 50 | 0.03 | 74 |
IV.PARC.HHE. | 2023-02-09T07:19:05.28 | 0.3 | undecidable | manual | P | 63 | 80.2641 | 50 | 0.24 | 66 |
IV.ATMI.HHZ. | 2023-02-09T07:19:04.42 | 0.6 | undecidable | manual | P | 89 | 74.2701 | 50 | 0.31 | 44 |
IV.CASP.HHE. | 2023-02-09T07:19:04.20 | 0.6 | undecidable | manual | P | 214 | 70.7736 | 50 | 0.62 | 41 |
IV.ATMC.EHE. | 2023-02-09T07:19:03.23 | 0.6 | undecidable | manual | P | 78 | 69.4749 | 50 | -0.14 | 46 |
IV.SACS.HHZ. | 2023-02-09T07:19:03.37 | 0.3 | undecidable | manual | P | 139 | 69.4749 | 50 | -0.01 | 71 |
IV.CRMI.HNN. | 2023-02-09T07:19:02.42 | 0.6 | undecidable | manual | P | 331 | 60.2952 | 50 | 0.47 | 44 |
IV.MALA1.EHN. | 2023-02-09T07:19:02.68 | 0.3 | undecidable | manual | S | 164 | 36.8298 | 50 | -1.11 | 52 |
IV.MALA4.EHZ. | 2023-02-09T07:19:02.65 | 0.3 | undecidable | manual | S | 163 | 36.741 | 50 | -1.1 | 53 |
IV.MALA5.EHN. | 2023-02-09T07:19:02.52 | 0.6 | undecidable | manual | S | 163 | 36.5412 | 50 | -1.19 | 34 |
IV.CRE.HHE. | 2023-02-09T07:19:02.37 | 0.3 | undecidable | manual | P | 56 | 58.6968 | 50 | 0.66 | 61 |
TV.SF11.HHZ. | 2023-02-09T07:19:01.48 | 0.3 | undecidable | manual | P | 152 | 57.0984 | 50 | 0.02 | 73 |
IV.RUFI.EHE. | 2023-02-09T07:19:01.95 | 0.3 | undecidable | manual | P | 13 | 58.5969 | 50 | 0.25 | 69 |
IV.CAFI.HHZ. | 2023-02-09T07:19:00.12 | 0.3 | undecidable | manual | P | 89 | 49.9167 | 50 | -0.24 | 70 |
IV.ARCI.HHZ. | 2023-02-09T07:19:00.64 | 0.3 | undecidable | manual | P | 169 | 53.2023 | 50 | -0.23 | 70 |
IV.TRIF.CHZ. | 2023-02-09T07:18:59.55 | 0.3 | undecidable | manual | P | 238 | 42.7239 | 50 | 0.29 | 70 |
IV.OSSC.HHZ. | 2023-02-09T07:18:59.30 | 0.3 | undecidable | manual | S | 340 | 23.754 | 110 | -0.37 | 72 |
IV.FROS.CHZ. | 2023-02-09T07:18:58.68 | 0.3 | undecidable | manual | S | 231 | 19.9689 | 113 | 0.25 | 74 |
IV.MALA1.EHN. | 2023-02-09T07:18:58.75 | 0.3 | undecidable | manual | P | 164 | 36.8298 | 50 | 0.4 | 70 |
IV.MALA4.EHZ. | 2023-02-09T07:18:58.44 | 0.3 | undecidable | manual | P | 163 | 36.741 | 50 | 0.12 | 74 |
IV.MALA5.EHN. | 2023-02-09T07:18:58.87 | 0.3 | undecidable | manual | P | 163 | 36.5412 | 50 | 0.57 | 66 |
IV.CSNT.HHZ. | 2023-02-09T07:18:57.38 | 0.1 | undecidable | manual | S | 344 | 17.3715 | 116 | -0.22 | 100 |
IV.FROS.CHZ. | 2023-02-09T07:18:55.49 | 0.1 | undecidable | manual | P | 231 | 19.9689 | 113 | 0.24 | 99 |
IV.OSSC.HHZ. | 2023-02-09T07:18:55.69 | 0.1 | undecidable | manual | P | 340 | 23.754 | 110 | -0.28 | 97 |
IV.CSNT.HHZ. | 2023-02-09T07:18:54.57 | 0.1 | undecidable | manual | P | 344 | 17.3715 | 116 | -0.21 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FROS.CHE. | ML:1.8 | 0.00042905225 | 0.128 | AML | other | m | 2023-02-09T07:18:58.91 |
IV.FROS.CHN. | ML:2.1 | 0.0009390000000000001 | 0.16 | AML | other | m | 2023-02-09T07:18:59.33 |
IV.OSSC.HHE. | ML:1.8 | 0.00039650000000000004 | 0.12 | AML | other | m | 2023-02-09T07:18:59.69 |
IV.OSSC.HHN. | ML:1.9 | 0.00046550000000000004 | 0.1 | AML | other | m | 2023-02-09T07:18:59.82 |
IV.CAFI.HHN. | ML:1.3 | 0.000055049784999999995 | 0.3584 | AML | other | m | 2023-02-09T07:19:07.22 |
IV.ARCI.HNE. | ML:1.6 | 0.00010189779499999998 | 0.32 | AML | other | m | 2023-02-09T07:19:09.22 |
IV.CAFI.HNE. | ML:1.4 | 0.00005865379 | 0.3616 | AML | other | m | 2023-02-09T07:19:09.38 |
IV.CAFI.HHE. | ML:1.3 | 0.000052900000000000005 | 0.34 | AML | other | m | 2023-02-09T07:19:09.38 |
IV.ARCI.HHE. | ML:1.6 | 0.00009707506999999999 | 0.1792 | AML | other | m | 2023-02-09T07:19:09.68 |
IV.ARCI.HHN. | ML:1.8 | 0.00015464139999999999 | 0.2592 | AML | other | m | 2023-02-09T07:19:09.90 |
IV.ARCI.HNN. | ML:1.8 | 0.000140855375 | 0.3296 | AML | other | m | 2023-02-09T07:19:10.80 |