A magnitude ML 1.8 earthquake occured in region: 3 km E Siena (SI), on
and geographic coordinates (lat, lon) 43.3150, 11.3700 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 | 3 | 53903 | 53903 |
Monteroni d'Arbia | SI | 10 | 9088 | 62991 |
Castelnuovo Berardenga | SI | 11 | 9097 | 72088 |
Sovicille | SI | 12 | 10116 | 82204 |
Monteriggioni | SI | 15 | 9810 | 92014 |
Murlo | SI | 16 | 2389 | 94403 |
Asciano | SI | 18 | 7118 | 101521 |
Gaiole in Chianti | SI | 18 | 2758 | 104279 |
Castellina in Chianti | SI | 19 | 2859 | 107138 |
Radda in Chianti | SI | 19 | 1613 | 108751 |
Rapolano Terme | SI | 19 | 5249 | 114000 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.8 | 2023-02-09 07:32:03 |
43.3147 | 11.3697 | 9 | 2024-03-01 17:17:57 |
Bollettino Sismico Italiano INGV | 114889201 |
Reviewed Rev100 |
ML 1.9 | 2023-02-09 07:32:03 |
43.3185 | 11.3663 | 10 | 2023-02-09 08:03:36 |
Sala Sismica INGV-Roma | 114285101 |
Field | Value |
---|---|
Time (UTC) | 2023-02-09 07:32:03 ± 0.11 |
Latitude | 43.3147 ± 0.0054 |
Longitude | 11.3697 ± 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 | 114889201 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 791 |
Semi-minor axis of confidence ellipse (meter) | 528 |
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) | 790.0 |
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 | 31 |
Number of defining phases | 28 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.32 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.67449 |
Number of stations at which the event was observed | 18 |
Number of stations from which data was used for origin computation | 15 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 114889201 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2023-02-28 15:57:54 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 114285101 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-02-09 08:03:36 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MC2.EHZ. | 2023-02-09T07:32:52.61 | 3.0 | undecidable | manual | S | 4.07 | 0 | |||
IV.CASP.HHE. | 2023-02-09T07:32:26.39 | 1.0 | undecidable | manual | S | 215 | 71.0733 | 50 | 0.86 | 18 |
IV.IMOL.HNZ. | 2023-02-09T07:32:24.12 | 3.0 | positive | manual | P | 0.42 | 0 | |||
IV.RUFI.EHZ. | 2023-02-09T07:32:22.46 | 0.6 | undecidable | manual | S | 11 | 59.0964 | 50 | 0.12 | 47 |
IV.CRE.HHN. | 2023-02-09T07:32:22.57 | 0.6 | undecidable | manual | S | 54 | 57.6978 | 50 | 0.59 | 42 |
IV.ARCI.HHZ. | 2023-02-09T07:32:20.48 | 1.0 | undecidable | manual | S | 170 | 52.0035 | 50 | 0.02 | 24 |
TV.SF11.HHE. | 2023-02-09T07:32:20.61 | 0.6 | undecidable | manual | S | 153 | 55.5 | 50 | -0.76 | 39 |
IV.SSP9.EHE. | 2023-02-09T07:32:20.00 | 3.0 | undecidable | manual | P | 4.32 | 0 | |||
IV.TRIF.CHZ. | 2023-02-09T07:32:18.01 | 0.3 | undecidable | manual | S | 240 | 43.8228 | 50 | -0.24 | 71 |
IV.CAFI.HHN. | 2023-02-09T07:32:18.79 | 0.3 | undecidable | manual | S | 88 | 48.2184 | 50 | -0.63 | 63 |
IV.MGAB.HNZ. | 2023-02-09T07:32:17.00 | 0.3 | undecidable | manual | P | 126 | 74.8695 | 50 | 0.14 | 68 |
IV.SACS.HNN. | 2023-02-09T07:32:16.55 | 0.6 | undecidable | manual | P | 140 | 67.6767 | 50 | 0.8 | 38 |
IV.CASP.HHE. | 2023-02-09T07:32:16.74 | 1.0 | undecidable | manual | P | 215 | 71.0733 | 50 | 0.47 | 21 |
IV.MALA5.EHZ. | 2023-02-09T07:32:15.47 | 0.3 | undecidable | manual | S | 166 | 35.2425 | 50 | -0.5 | 68 |
IV.CRE.HHN. | 2023-02-09T07:32:15.08 | 0.3 | undecidable | manual | P | 54 | 57.6978 | 50 | 0.86 | 56 |
IV.MALA4.EHZ. | 2023-02-09T07:32:15.53 | 0.3 | undecidable | manual | S | 166 | 35.3424 | 50 | -0.48 | 68 |
IV.MALA1.EHZ. | 2023-02-09T07:32:15.59 | 0.3 | undecidable | manual | S | 166 | 35.5422 | 50 | -0.46 | 68 |
IV.RUFI.EHZ. | 2023-02-09T07:32:14.52 | 0.3 | undecidable | manual | P | 11 | 59.0964 | 50 | 0.08 | 71 |
TV.SF11.HHE. | 2023-02-09T07:32:14.05 | 0.3 | undecidable | manual | P | 153 | 55.5 | 50 | 0.18 | 70 |
IV.ARCI.HHZ. | 2023-02-09T07:32:13.62 | 0.3 | undecidable | manual | P | 170 | 52.0035 | 50 | 0.27 | 69 |
IV.TRIF.CHZ. | 2023-02-09T07:32:12.34 | 0.3 | undecidable | manual | P | 240 | 43.8228 | 50 | 0.27 | 70 |
IV.CAFI.HHN. | 2023-02-09T07:32:12.98 | 0.3 | undecidable | manual | P | 88 | 48.2184 | 50 | 0.23 | 70 |
IV.OSSC.HHZ. | 2023-02-09T07:32:12.48 | 0.3 | undecidable | manual | S | 337 | 25.2525 | 109 | -0.44 | 70 |
IV.FROS.CHZ. | 2023-02-09T07:32:11.66 | 0.3 | undecidable | manual | S | 236 | 20.7681 | 113 | 0.17 | 75 |
IV.CSNT.HHZ. | 2023-02-09T07:32:10.32 | 0.6 | undecidable | manual | S | 340 | 18.6702 | 116 | -0.5 | 47 |
IV.MALA1.EHZ. | 2023-02-09T07:32:10.99 | 0.3 | undecidable | manual | P | 166 | 35.5422 | 50 | 0.19 | 73 |
IV.MALA5.EHZ. | 2023-02-09T07:32:10.70 | 0.3 | undecidable | manual | P | 166 | 35.2425 | 50 | -0.05 | 75 |
IV.MALA4.EHZ. | 2023-02-09T07:32:10.92 | 0.3 | undecidable | manual | P | 166 | 35.3424 | 50 | 0.14 | 73 |
IV.OSSC.HHZ. | 2023-02-09T07:32:08.74 | 0.3 | undecidable | manual | P | 337 | 25.2525 | 109 | -0.25 | 73 |
IV.FROS.CHZ. | 2023-02-09T07:32:08.48 | 0.3 | undecidable | manual | P | 236 | 20.7681 | 113 | 0.31 | 73 |
IV.CSNT.HHZ. | 2023-02-09T07:32:07.61 | 0.1 | undecidable | manual | P | 340 | 18.6702 | 116 | -0.17 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CSNT.HHE. | ML:2.0 | 0.00086521535 | 0.1216 | AML | other | m | 2023-02-09T07:32:10.58 |
IV.CSNT.HHN. | ML:2.0 | 0.00075 | 0.26 | AML | other | m | 2023-02-09T07:32:10.84 |
IV.FROS.CHE. | ML:1.8 | 0.000460507 | 0.1856 | AML | other | m | 2023-02-09T07:32:12.16 |
IV.FROS.CHN. | ML:2.2 | 0.0011899999999999999 | 0.16 | AML | other | m | 2023-02-09T07:32:12.35 |
IV.OSSC.HHE. | ML:1.6 | 0.0002382521 | 0.16 | AML | other | m | 2023-02-09T07:32:12.87 |
IV.OSSC.HHN. | ML:1.8 | 0.000356 | 0.26 | AML | other | m | 2023-02-09T07:32:13.17 |
IV.TRIF.CHE. | ML:1.6 | 0.000136717 | 0.192 | AML | other | m | 2023-02-09T07:32:19.31 |
IV.TRIF.CHN. | ML:1.6 | 0.00011606134000000001 | 0.256 | AML | other | m | 2023-02-09T07:32:19.37 |
IV.ARCI.HNE. | ML:1.6 | 0.000103083095 | 0.3584 | AML | other | m | 2023-02-09T07:32:22.58 |
IV.ARCI.HHE. | ML:1.6 | 0.000102034765 | 0.3776 | AML | other | m | 2023-02-09T07:32:22.58 |
IV.ARCI.HNN. | ML:1.8 | 0.0001523084 | 0.2176 | AML | other | m | 2023-02-09T07:32:22.89 |
IV.ARCI.HHN. | ML:1.8 | 0.00015613615 | 0.3392 | AML | other | m | 2023-02-09T07:32:22.15 |