A magnitude ML 1.7 earthquake occured in region: 5 km E Siena (SI), on
and geographic coordinates (lat, lon) 43.3150, 11.3960 at 7 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 | 5 | 53903 | 53903 |
Castelnuovo Berardenga | SI | 10 | 9097 | 63000 |
Monteroni d'Arbia | SI | 10 | 9088 | 72088 |
Sovicille | SI | 14 | 10116 | 82204 |
Asciano | SI | 16 | 7118 | 89322 |
Murlo | SI | 16 | 2389 | 91711 |
Monteriggioni | SI | 17 | 9810 | 101521 |
Rapolano Terme | SI | 17 | 5249 | 106770 |
Gaiole in Chianti | SI | 18 | 2758 | 109528 |
Radda in Chianti | SI | 19 | 1613 | 111141 |
Castellina in Chianti | SI | 20 | 2859 | 114000 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.7 | 2023-02-09 09:16:17 |
43.3147 | 11.3955 | 7 | 2024-03-01 17:18:03 |
Bollettino Sismico Italiano INGV | 116306881 |
Field | Value |
---|---|
Time (UTC) | 2023-02-09 09:16:17 ± 0.06 |
Latitude | 43.3147 ± 0.0027 |
Longitude | 11.3955 ± 0.0062 |
Depth (km) | 7 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 116306881 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 464 |
Semi-minor axis of confidence ellipse (meter) | 264 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 248 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 460.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 87 |
Number of associated phases, regardless of their use for origin computation | 29 |
Number of defining phases | 27 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.59805 |
Number of stations at which the event was observed | 16 |
Number of stations from which data was used for origin computation | 14 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 116306881 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2023-10-19 16:58:16 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CRMI.HNN. | 2023-02-09T09:16:37.76 | 0.3 | undecidable | manual | S | 328 | 62.9925 | 50 | 0.01 | 69 |
IV.RUFI.EHE. | 2023-02-09T09:16:36.26 | 0.6 | undecidable | manual | S | 9 | 58.7967 | 50 | -0.37 | 43 |
IV.CRE.HHE. | 2023-02-09T09:16:36.35 | 0.3 | undecidable | manual | S | 53 | 56.0994 | 50 | 0.44 | 64 |
TV.SF11.HHZ. | 2023-02-09T09:16:35.25 | 0.6 | undecidable | manual | S | 155 | 54.501 | 50 | -0.25 | 45 |
IV.LAV9.HHZ. | 2023-02-09T09:16:33.52 | 3.0 | positive | manual | Pn | 0.02 | 0 | |||
IV.CAFI.HNN. | 2023-02-09T09:16:33.04 | 0.3 | undecidable | manual | S | 88 | 46.1205 | 50 | -0.21 | 69 |
IV.TRIF.CHZ. | 2023-02-09T09:16:32.72 | 1.0 | undecidable | manual | S | 241 | 45.621 | 50 | -0.39 | 22 |
IV.SACS.HHE. | 2023-02-09T09:16:30.09 | 1.0 | undecidable | manual | P | 141 | 66.378 | 50 | 0.34 | 21 |
IV.CRMI.HNN. | 2023-02-09T09:16:29.44 | 1.0 | undecidable | manual | P | 328 | 62.9925 | 50 | 0.21 | 22 |
IV.MALA4.EHZ. | 2023-02-09T09:16:29.62 | 0.6 | undecidable | manual | S | 169 | 34.9428 | 101 | -0.34 | 45 |
IV.MALA5.EHN. | 2023-02-09T09:16:29.56 | 0.6 | undecidable | manual | S | 169 | 34.743 | 101 | -0.35 | 45 |
IV.MALA1.EHN. | 2023-02-09T09:16:29.69 | 0.6 | undecidable | manual | S | 169 | 35.1426 | 101 | -0.33 | 46 |
IV.MALA0.EHN. | 2023-02-09T09:16:29.59 | 0.6 | undecidable | manual | S | 169 | 34.8429 | 101 | -0.34 | 45 |
IV.CRE.HHE. | 2023-02-09T09:16:28.15 | 0.6 | undecidable | manual | P | 53 | 56.0994 | 50 | -0.02 | 47 |
TV.SF11.HHZ. | 2023-02-09T09:16:28.15 | 1.0 | undecidable | manual | P | 155 | 54.501 | 50 | 0.21 | 22 |
IV.RUFI.EHE. | 2023-02-09T09:16:28.62 | 1.0 | undecidable | manual | P | 9 | 58.7967 | 50 | 0.03 | 23 |
IV.OSSC.HHZ. | 2023-02-09T09:16:26.70 | 0.6 | undecidable | manual | S | 333 | 26.1516 | 105 | -0.29 | 47 |
IV.CAFI.HNN. | 2023-02-09T09:16:26.73 | 0.3 | undecidable | manual | P | 88 | 46.1205 | 50 | 0.1 | 70 |
IV.TRIF.CHZ. | 2023-02-09T09:16:26.45 | 1.0 | undecidable | manual | P | 241 | 45.621 | 50 | -0.11 | 23 |
IV.FROS.CHZ. | 2023-02-09T09:16:25.96 | 0.6 | undecidable | manual | S | 239 | 22.5552 | 107 | 0.16 | 48 |
IV.MALA5.EHN. | 2023-02-09T09:16:25.29 | 0.3 | undecidable | manual | P | 169 | 34.743 | 101 | 0.58 | 64 |
IV.MALA1.EHN. | 2023-02-09T09:16:25.04 | 0.6 | undecidable | manual | P | 169 | 35.1426 | 101 | 0.27 | 46 |
IV.CSNT.HHZ. | 2023-02-09T09:16:24.62 | 0.6 | undecidable | manual | S | 334 | 19.5693 | 110 | -0.18 | 48 |
IV.MALA0.EHN. | 2023-02-09T09:16:24.79 | 0.3 | undecidable | manual | P | 169 | 34.8429 | 101 | 0.07 | 72 |
IV.MALA4.EHZ. | 2023-02-09T09:16:24.82 | 0.3 | undecidable | manual | P | 169 | 34.9428 | 101 | 0.09 | 72 |
IV.NRCA.HHZ. | 2023-02-09T09:16:22.06 | 3.0 | positive | manual | P | -0.16 | 0 | |||
IV.OSSC.HHZ. | 2023-02-09T09:16:22.92 | 0.1 | undecidable | manual | P | 333 | 26.1516 | 105 | -0.1 | 97 |
IV.FROS.CHZ. | 2023-02-09T09:16:22.62 | 0.1 | undecidable | manual | P | 239 | 22.5552 | 107 | 0.29 | 94 |
IV.CSNT.HHZ. | 2023-02-09T09:16:21.76 | 0.1 | undecidable | manual | P | 334 | 19.5693 | 110 | 0 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.8 | 0.00003650266 | 0.0832 | AML | other | m | 2023-02-09T09:16:23.49 |
IV.NRCA.HHE. | ML:1.8 | 0.000032876745 | 0.1024 | AML | other | m | 2023-02-09T09:16:23.54 |
IV.CSNT.HHN. | ML:1.8 | 0.0005105 | 0.14 | AML | other | m | 2023-02-09T09:16:25.24 |
IV.CSNT.HHE. | ML:1.6 | 0.00034541905 | 0.1216 | AML | other | m | 2023-02-09T09:16:25.39 |
IV.FROS.CHE. | ML:1.7 | 0.0003313511 | 0.16 | AML | other | m | 2023-02-09T09:16:26.58 |
IV.FROS.CHN. | ML:1.7 | 0.00033625145 | 0.128 | AML | other | m | 2023-02-09T09:16:27.01 |
IV.OSSC.HHN. | ML:1.5 | 0.000195 | 0.22 | AML | other | m | 2023-02-09T09:16:27.35 |
IV.OSSC.HHE. | ML:1.4 | 0.00014555000000000001 | 0.26 | AML | other | m | 2023-02-09T09:16:27.85 |