A magnitude ML 1.8 earthquake occured in region: 1 km W Siena (SI), on
and geographic coordinates (lat, lon) 43.3160, 11.3180 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 | 8 | 10116 | 64019 |
Monteriggioni | SI | 12 | 9810 | 73829 |
Monteroni d'Arbia | SI | 13 | 9088 | 82917 |
Castelnuovo Berardenga | SI | 15 | 9097 | 92014 |
Castellina in Chianti | SI | 17 | 2859 | 94873 |
Murlo | SI | 17 | 2389 | 97262 |
Gaiole in Chianti | SI | 20 | 2758 | 100020 |
Radda in Chianti | SI | 20 | 1613 | 101633 |
Colle di Val d'Elsa | SI | 20 | 21620 | 123253 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.8 | 2023-02-09 00:50:58 |
43.3163 | 11.3177 | 9 | 2024-03-01 17:17:56 |
Bollettino Sismico Italiano INGV | 114596831 |
Reviewed Rev100 |
ML 1.9 | 2023-02-09 00:50:59 |
43.3352 | 11.3392 | 6 | 2023-02-09 00:58:17 |
Sala Sismica INGV-Roma | 114275971 |
Field | Value |
---|---|
Time (UTC) | 2023-02-09 00:50:58 ± 0.12 |
Latitude | 43.3163 ± 0.0045 |
Longitude | 11.3177 ± 0.0111 |
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 | 114596831 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 848 |
Semi-minor axis of confidence ellipse (meter) | 467 |
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) | 850.0 |
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 | 45 |
Number of defining phases | 38 |
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) | 0.98925 |
Number of stations at which the event was observed | 29 |
Number of stations from which data was used for origin computation | 23 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.2 |
Num. used stations | 22 |
Type of magnitude | ML |
Reference to an origin | 114596831 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2023-09-18 09:53:35 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | 0.2 |
Num. used stations | 20 |
Type of magnitude | ML |
Reference to an origin | 114275971 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-02-09 00:58:17 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.POFI.HHZ. | 2023-02-09T00:52:27.66 | 3.0 | undecidable | manual | Sg | 13.44 | 0 | |||
OX.MPRI.HHZ. | 2023-02-09T00:52:21.04 | 3.0 | undecidable | manual | Sg | 9.18 | 0 | |||
IV.CDRU.HHZ. | 2023-02-09T00:52:12.19 | 3.0 | undecidable | manual | Pg | 12.08 | 0 | |||
IV.RDP.HHZ. | 2023-02-09T00:52:06.72 | 3.0 | undecidable | manual | Sg | 6.38 | 0 | |||
IV.MRB1.HHZ. | 2023-02-09T00:51:57.21 | 3.0 | undecidable | manual | Pn | 5.44 | 0 | |||
IV.BOSL.HHZ. | 2023-02-09T00:51:20.01 | 0.6 | undecidable | manual | S | 4 | 68.2761 | 50 | -0.12 | 47 |
IV.CELB.HHZ. | 2023-02-09T00:51:19.04 | 0.3 | undecidable | manual | P | 235 | 109.8123 | 50 | 1.45 | 39 |
IV.CRE.HHE. | 2023-02-09T00:51:18.80 | 0.3 | undecidable | manual | S | 56 | 61.0944 | 50 | 0.6 | 64 |
IV.CRMI.HNN. | 2023-02-09T00:51:17.31 | 0.6 | undecidable | manual | S | 333 | 59.6958 | 50 | -0.52 | 44 |
IV.RUFI.EHE. | 2023-02-09T00:51:17.53 | 0.3 | undecidable | manual | S | 15 | 59.8956 | 50 | -0.35 | 69 |
TV.SF11.HHZ. | 2023-02-09T00:51:16.32 | 0.6 | undecidable | manual | S | 149 | 57.6978 | 50 | -0.96 | 37 |
IV.ARCI.HHZ. | 2023-02-09T00:51:15.99 | 1.0 | undecidable | manual | S | 166 | 53.1024 | 50 | -0.08 | 25 |
IV.CAFI.HHZ. | 2023-02-09T00:51:15.05 | 0.6 | undecidable | manual | S | 88 | 52.4031 | 50 | -0.82 | 40 |
IV.MSSA.HHZ. | 2023-02-09T00:51:14.88 | 3.0 | undecidable | manual | S | 0.5 | 0 | |||
IV.SFI.HNN. | 2023-02-09T00:51:13.21 | 0.3 | undecidable | manual | P | 33 | 77.8665 | 50 | 0.54 | 64 |
IV.PARC.HHZ. | 2023-02-09T00:51:13.98 | 0.3 | undecidable | manual | P | 63 | 82.7505 | 50 | 0.55 | 63 |
IV.SSP9.EHZ. | 2023-02-09T00:51:12.37 | 0.6 | undecidable | manual | P | 66 | 71.4729 | 50 | 0.68 | 40 |
IV.TRIF.CHZ. | 2023-02-09T00:51:12.32 | 0.6 | undecidable | manual | S | 236 | 40.3263 | 50 | -0.34 | 48 |
IV.CASP.HHZ. | 2023-02-09T00:51:12.04 | 0.6 | undecidable | manual | P | 212 | 68.8755 | 50 | 0.75 | 39 |
IV.MGAB.HHZ. | 2023-02-09T00:51:12.93 | 0.3 | undecidable | manual | P | 125 | 78.366 | 50 | 0.18 | 69 |
IV.MCIV.CHE. | 2023-02-09T00:51:11.16 | 0.6 | undecidable | manual | P | 154 | 66.378 | 50 | 0.26 | 46 |
IV.BOSL.HHZ. | 2023-02-09T00:51:11.43 | 0.3 | undecidable | manual | P | 4 | 68.2761 | 50 | 0.23 | 69 |
IV.MALA5.EHN. | 2023-02-09T00:51:11.01 | 0.6 | undecidable | manual | S | 159 | 36.741 | 50 | -0.68 | 43 |
IV.MALA4.EHZ. | 2023-02-09T00:51:11.09 | 0.6 | undecidable | manual | S | 159 | 36.8298 | 50 | -0.64 | 44 |
IV.SACS.HHE. | 2023-02-09T00:51:11.88 | 0.6 | undecidable | manual | P | 137 | 70.6737 | 50 | 0.32 | 45 |
IV.MALA0.EHN. | 2023-02-09T00:51:11.23 | 0.3 | undecidable | manual | S | 160 | 36.741 | 50 | -0.46 | 70 |
IV.RUFI.EHE. | 2023-02-09T00:51:10.34 | 0.1 | undecidable | manual | P | 15 | 59.8956 | 50 | 0.44 | 90 |
IV.CRE.HHE. | 2023-02-09T00:51:10.96 | 0.3 | undecidable | manual | P | 56 | 61.0944 | 50 | 0.88 | 57 |
IV.MALA1.EHN. | 2023-02-09T00:51:10.69 | 0.6 | undecidable | manual | S | 160 | 37.0296 | 50 | -1.08 | 36 |
IV.ARCI.HHZ. | 2023-02-09T00:51:09.02 | 0.6 | undecidable | manual | P | 166 | 53.1024 | 50 | 0.17 | 48 |
TV.SF11.HHZ. | 2023-02-09T00:51:09.80 | 0.3 | undecidable | manual | P | 149 | 57.6978 | 50 | 0.24 | 71 |
IV.CRMI.HNN. | 2023-02-09T00:51:09.20 | 1.0 | undecidable | manual | P | 333 | 59.6958 | 50 | -0.67 | 21 |
IV.CAFI.HHZ. | 2023-02-09T00:51:08.78 | 0.1 | undecidable | manual | P | 88 | 52.4031 | 50 | 0.04 | 99 |
IV.OSSC.HHZ. | 2023-02-09T00:51:07.11 | 0.6 | undecidable | manual | S | 346 | 23.6541 | 111 | -0.69 | 44 |
IV.MALA4.EHZ. | 2023-02-09T00:51:06.14 | 0.3 | undecidable | manual | P | 159 | 36.8298 | 50 | -0.21 | 74 |
IV.MALA1.EHN. | 2023-02-09T00:51:06.30 | 0.6 | undecidable | manual | P | 160 | 37.0296 | 50 | -0.07 | 51 |
IV.TRIF.CHZ. | 2023-02-09T00:51:06.98 | 0.3 | undecidable | manual | P | 236 | 40.3263 | 50 | 0.09 | 75 |
IV.MALA0.EHN. | 2023-02-09T00:51:06.18 | 0.3 | undecidable | manual | P | 160 | 36.741 | 50 | -0.15 | 75 |
IV.FROS.CHZ. | 2023-02-09T00:51:06.11 | 0.3 | undecidable | manual | S | 228 | 17.5713 | 117 | 0.24 | 76 |
IV.MALA5.EHN. | 2023-02-09T00:51:06.27 | 0.6 | undecidable | manual | P | 159 | 36.741 | 50 | -0.06 | 51 |
IV.CSNT.HHZ. | 2023-02-09T00:51:05.16 | 0.3 | undecidable | manual | S | 353 | 17.5713 | 117 | -0.69 | 67 |
IV.OSSC.HHZ. | 2023-02-09T00:51:03.77 | 0.1 | undecidable | manual | P | 346 | 23.6541 | 111 | -0.31 | 99 |
IV.FROS.CHZ. | 2023-02-09T00:51:03.29 | 0.1 | undecidable | manual | P | 228 | 17.5713 | 117 | 0.32 | 100 |
IV.CSNT.HHZ. | 2023-02-09T00:51:02.65 | 0.1 | undecidable | manual | P | 353 | 17.5713 | 117 | -0.3 | 100 |
IV.MSSA.HHZ. | 2023-02-09T00:51:01.11 | 3.0 | undecidable | manual | P | -1.82 | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CSNT.HHN. | ML:1.8 | 0.0005121918 | 0.1 | AML | other | m | 2023-02-09T00:51:05.48 |
IV.CSNT.HHE. | ML:1.8 | 0.0006464658999999999 | 0.1 | AML | other | m | 2023-02-09T00:51:05.58 |
IV.FROS.CHN. | ML:2.3 | 0.0016028709999999999 | 0.12 | AML | other | m | 2023-02-09T00:51:06.68 |
IV.FROS.CHE. | ML:2.2 | 0.0012442351 | 0.208 | AML | other | m | 2023-02-09T00:51:07.13 |
IV.OSSC.HHE. | ML:2.0 | 0.0006937474999999999 | 0.26 | AML | other | m | 2023-02-09T00:51:07.60 |
IV.OSSC.HHN. | ML:1.8 | 0.00037398935 | 0.22 | AML | other | m | 2023-02-09T00:51:07.92 |
IV.CAFI.HHN. | ML:1.7 | 0.00012579004 | 0.38 | AML | other | m | 2023-02-09T00:51:15.72 |
IV.CAFI.HNN. | ML:1.7 | 0.00012788318 | 0.37 | AML | other | m | 2023-02-09T00:51:15.72 |
IV.CAFI.HHE. | ML:1.8 | 0.0001455 | 1.62 | AML | other | m | 2023-02-09T00:51:15.17 |
IV.CAFI.HNE. | ML:1.7 | 0.00013728645000000002 | 0.38 | AML | other | m | 2023-02-09T00:51:16.17 |
IV.ARCI.HHN. | ML:1.8 | 0.00016393059999999997 | 0.32 | AML | other | m | 2023-02-09T00:51:18.33 |
IV.ARCI.HNN. | ML:1.8 | 0.0001620759 | 0.32 | AML | other | m | 2023-02-09T00:51:18.34 |
IV.ARCI.HHE. | ML:1.9 | 0.00017676775 | 0.32 | AML | other | m | 2023-02-09T00:51:18.63 |
IV.ARCI.HNE. | ML:1.8 | 0.00015859410000000003 | 0.32 | AML | other | m | 2023-02-09T00:51:18.63 |
IV.CELB.HHE. | ML:2.0 | 0.00008238366999999999 | 1.32 | AML | other | m | 2023-02-09T00:51:18.60 |
IV.BOSL.HHE. | ML:1.6 | 0.000075506505 | 0.36 | AML | other | m | 2023-02-09T00:51:20.34 |
IV.BOSL.HHN. | ML:1.4 | 0.000047350000000000006 | 0.52 | AML | other | m | 2023-02-09T00:51:20.46 |
IV.CASP.HNN. | ML:2.1 | 0.00020885104999999999 | 0.81 | AML | other | m | 2023-02-09T00:51:22.68 |
IV.CASP.HHN. | ML:2.1 | 0.0002022348 | 0.36 | AML | other | m | 2023-02-09T00:51:22.78 |
IV.CASP.HHE. | ML:1.7 | 0.00008595084 | 0.24 | AML | other | m | 2023-02-09T00:51:23.39 |
IV.PARC.HHE. | ML:1.7 | 0.00007235 | 0.54 | AML | other | m | 2023-02-09T00:51:25.31 |
IV.PARC.HHN. | ML:1.7 | 0.00006989924999999999 | 0.78 | AML | other | m | 2023-02-09T00:51:27.92 |