A magnitude ML 1.8 earthquake occured in region: 5 km E Siena (SI), on
and geographic coordinates (lat, lon) 43.3170, 11.3920 at 6 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 |
Monteriggioni | SI | 16 | 9810 | 92014 |
Asciano | SI | 16 | 7118 | 99132 |
Murlo | SI | 16 | 2389 | 101521 |
Gaiole in Chianti | SI | 17 | 2758 | 104279 |
Rapolano Terme | SI | 18 | 5249 | 109528 |
Radda in Chianti | SI | 19 | 1613 | 111141 |
Castellina in Chianti | SI | 19 | 2859 | 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 08:19:30 |
43.3173 | 11.3915 | 6 | 2024-03-01 17:17:58 |
Bollettino Sismico Italiano INGV | 115207261 |
Reviewed Rev100 |
ML 2.0 | 2023-02-09 08:19:30 |
43.3197 | 11.3843 | 8 | 2023-02-09 08:30:31 |
Sala Sismica INGV-Roma | 114286621 |
Field | Value |
---|---|
Time (UTC) | 2023-02-09 08:19:30 ± 0.08 |
Latitude | 43.3173 ± 0.0036 |
Longitude | 11.3915 ± 0.0087 |
Depth (km) | 6 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 115207261 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 623 |
Semi-minor axis of confidence ellipse (meter) | 317 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 258 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 620.0 |
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 | 33 |
Number of defining phases | 33 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.28 |
Epicentral distance of station closest to the epicenter (degree) | 0.17267 |
Epicentral distance of station farthest from the epicenter (degree) | 0.69787 |
Number of stations at which the event was observed | 20 |
Number of stations from which data was used for origin computation | 20 |
Field | Value |
---|---|
Value | 2.0 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 114286621 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-02-09 08:30:31 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.3 |
Num. used stations | 21 |
Type of magnitude | ML |
Reference to an origin | 115207261 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2023-09-19 09:27:44 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ATMI.HHZ. | 2023-02-09T08:19:53.38 | 0.6 | undecidable | manual | S | 88 | 70.7736 | 50 | 0.03 | 45 |
IV.CRMI.HNN. | 2023-02-09T08:19:51.03 | 1.0 | undecidable | manual | S | 328 | 62.5929 | 50 | -0.13 | 23 |
IV.RUFI.EHZ. | 2023-02-09T08:19:49.56 | 0.3 | undecidable | manual | S | 9 | 58.497 | 50 | -0.53 | 62 |
IV.CRE.HHZ. | 2023-02-09T08:19:49.64 | 0.6 | undecidable | manual | S | 53 | 56.1993 | 50 | 0.18 | 45 |
IV.ARCI.HHZ. | 2023-02-09T08:19:48.30 | 0.6 | undecidable | manual | S | 172 | 52.1034 | 50 | -0.07 | 47 |
TV.SF11.HHZ. | 2023-02-09T08:19:47.90 | 0.6 | undecidable | manual | S | 155 | 54.9006 | 50 | -1.24 | 31 |
IV.CAFI.HHZ. | 2023-02-09T08:19:46.10 | 0.3 | undecidable | manual | S | 88 | 46.4202 | 50 | -0.76 | 58 |
IV.PARC.HHZ. | 2023-02-09T08:19:45.23 | 0.3 | undecidable | manual | P | 61 | 77.4669 | 50 | 0.32 | 63 |
IV.CASP.HHE. | 2023-02-09T08:19:44.28 | 1.0 | undecidable | manual | P | 216 | 72.2721 | 50 | 0.16 | 22 |
IV.MGAB.HHZ. | 2023-02-09T08:19:44.84 | 0.6 | undecidable | manual | P | 127 | 73.6707 | 50 | 0.52 | 41 |
IV.ATMC.EHE. | 2023-02-09T08:19:43.61 | 0.6 | undecidable | manual | P | 77 | 66.1893 | 50 | 0.43 | 42 |
IV.SACS.HHE. | 2023-02-09T08:19:43.74 | 0.3 | undecidable | manual | P | 141 | 66.7776 | 50 | 0.47 | 63 |
IV.ATMI.HHZ. | 2023-02-09T08:19:43.89 | 1.0 | undecidable | manual | P | 88 | 70.7736 | 50 | 0.01 | 23 |
IV.CRMI.HNN. | 2023-02-09T08:19:42.68 | 0.3 | undecidable | manual | P | 328 | 62.5929 | 50 | 0.06 | 69 |
IV.MALA5.EHN. | 2023-02-09T08:19:42.80 | 0.6 | undecidable | manual | S | 168 | 35.1426 | 100 | -0.51 | 44 |
IV.MCIV.CHE. | 2023-02-09T08:19:42.89 | 0.3 | undecidable | manual | P | 159 | 64.0914 | 50 | 0.04 | 69 |
IV.RUFI.EHZ. | 2023-02-09T08:19:42.35 | 0.3 | undecidable | manual | P | 9 | 58.497 | 50 | 0.35 | 65 |
IV.MALA1.EHN. | 2023-02-09T08:19:42.94 | 0.3 | undecidable | manual | S | 169 | 35.4423 | 100 | -0.49 | 66 |
IV.MALA4.EHN. | 2023-02-09T08:19:42.91 | 0.6 | undecidable | manual | S | 169 | 35.2425 | 100 | -0.45 | 44 |
IV.CRE.HHZ. | 2023-02-09T08:19:42.18 | 0.6 | undecidable | manual | P | 53 | 56.1993 | 50 | 0.55 | 41 |
IV.ARCI.HHZ. | 2023-02-09T08:19:41.00 | 0.3 | undecidable | manual | P | 172 | 52.1034 | 50 | 0 | 71 |
TV.SF11.HHZ. | 2023-02-09T08:19:41.48 | 0.3 | undecidable | manual | P | 155 | 54.9006 | 50 | 0.04 | 70 |
IV.CAFI.HHZ. | 2023-02-09T08:19:40.27 | 0.3 | undecidable | manual | P | 88 | 46.4202 | 50 | 0.14 | 70 |
IV.TRIF.CHZ. | 2023-02-09T08:19:39.88 | 0.6 | undecidable | manual | P | 241 | 45.4212 | 50 | -0.1 | 47 |
IV.FROS.CHZ. | 2023-02-09T08:19:39.06 | 0.3 | undecidable | manual | S | 238 | 22.4553 | 106 | 0.04 | 74 |
IV.OSSC.HHZ. | 2023-02-09T08:19:39.73 | 0.3 | undecidable | manual | S | 333 | 25.752 | 104 | -0.39 | 69 |
IV.MALA1.EHN. | 2023-02-09T08:19:38.37 | 0.3 | undecidable | manual | P | 169 | 35.4423 | 100 | 0.22 | 70 |
IV.MALA5.EHN. | 2023-02-09T08:19:38.48 | 0.3 | undecidable | manual | P | 168 | 35.1426 | 100 | 0.4 | 67 |
IV.MALA4.EHN. | 2023-02-09T08:19:38.30 | 0.3 | undecidable | manual | P | 169 | 35.2425 | 100 | 0.19 | 70 |
IV.CSNT.HHZ. | 2023-02-09T08:19:37.69 | 0.3 | undecidable | manual | S | 335 | 19.1697 | 108 | -0.22 | 72 |
IV.OSSC.HHZ. | 2023-02-09T08:19:36.16 | 0.1 | undecidable | manual | P | 333 | 25.752 | 104 | -0.08 | 98 |
IV.FROS.CHZ. | 2023-02-09T08:19:35.89 | 0.1 | undecidable | manual | P | 238 | 22.4553 | 106 | 0.29 | 94 |
IV.CSNT.HHZ. | 2023-02-09T08:19:34.95 | 0.1 | undecidable | manual | P | 335 | 19.1697 | 108 | -0.01 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CSNT.HHE. | ML:2.2 | 0.001313525 | 0.2624 | AML | other | m | 2023-02-09T08:19:37.95 |
IV.CSNT.HHN. | ML:2.1 | 0.0010004999999999999 | 0.26 | AML | other | m | 2023-02-09T08:19:38.09 |
IV.FROS.CHE. | ML:2.0 | 0.0006638008499999999 | 0.16 | AML | other | m | 2023-02-09T08:19:39.31 |
IV.FROS.CHN. | ML:2.3 | 0.001593763 | 0.1664 | AML | other | m | 2023-02-09T08:19:39.74 |
IV.OSSC.HHE. | ML:1.8 | 0.0004112751 | 0.32 | AML | other | m | 2023-02-09T08:19:40.24 |
IV.OSSC.HHN. | ML:1.8 | 0.000381 | 0.26 | AML | other | m | 2023-02-09T08:19:40.66 |
IV.CAFI.HNE. | ML:1.5 | 0.00008328921 | 0.2752 | AML | other | m | 2023-02-09T08:19:46.53 |
IV.CAFI.HHE. | ML:1.5 | 0.00008500367 | 0.2752 | AML | other | m | 2023-02-09T08:19:46.53 |
IV.CAFI.HHN. | ML:1.6 | 0.0001063317 | 0.2624 | AML | other | m | 2023-02-09T08:19:47.30 |
IV.CAFI.HNN. | ML:1.5 | 0.00009851621 | 0.2496 | AML | other | m | 2023-02-09T08:19:47.31 |
IV.ARCI.HHE. | ML:1.9 | 0.00018632730000000001 | 0.1408 | AML | other | m | 2023-02-09T08:19:49.25 |
IV.ARCI.HNE. | ML:1.8 | 0.00017218603999999998 | 0.1408 | AML | other | m | 2023-02-09T08:19:49.26 |
IV.ARCI.HHN. | ML:2.0 | 0.00024895085 | 0.1792 | AML | other | m | 2023-02-09T08:19:49.47 |
IV.ARCI.HNN. | ML:2.0 | 0.00024237220000000002 | 0.1984 | AML | other | m | 2023-02-09T08:19:49.48 |
IV.RUFI.EHN. | ML:1.5 | 0.000063382075 | 0.6784 | AML | other | m | 2023-02-09T08:19:50.14 |
IV.CRE.HHE. | ML:1.7 | 0.00011454698999999999 | 0.4608 | AML | other | m | 2023-02-09T08:19:50.36 |
IV.RUFI.EHE. | ML:1.5 | 0.00007600433000000001 | 0.4992 | AML | other | m | 2023-02-09T08:19:50.80 |
IV.CRE.HHN. | ML:1.6 | 0.000100794265 | 0.1984 | AML | other | m | 2023-02-09T08:19:51.05 |
IV.PARC.HHN. | ML:1.4 | 0.0000416961 | 0.4992 | AML | other | m | 2023-02-09T08:19:56.27 |
IV.ATMI.HHE. | ML:2.0 | 0.0001815 | 0.78 | AML | other | m | 2023-02-09T08:19:59.04 |
IV.ATMI.HHN. | ML:1.9 | 0.00013530704999999997 | 0.3968 | AML | other | m | 2023-02-09T08:20:01.04 |