A magnitude ML 1.5 earthquake occured in region: 4 km E Siena (SI), on
and geographic coordinates (lat, lon) 43.3180, 11.3830 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 | 4 | 53903 | 53903 |
Monteroni d'Arbia | SI | 10 | 9088 | 62991 |
Castelnuovo Berardenga | SI | 10 | 9097 | 72088 |
Sovicille | SI | 13 | 10116 | 82204 |
Monteriggioni | SI | 16 | 9810 | 92014 |
Murlo | SI | 17 | 2389 | 94403 |
Asciano | SI | 17 | 7118 | 101521 |
Gaiole in Chianti | SI | 17 | 2758 | 104279 |
Rapolano Terme | SI | 18 | 5249 | 109528 |
Castellina in Chianti | SI | 19 | 2859 | 112387 |
Radda in Chianti | SI | 19 | 1613 | 114000 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.5 | 2023-02-09 09:50:26 |
43.3182 | 11.3827 | 8 | 2024-03-01 17:17:59 |
Bollettino Sismico Italiano INGV | 115623541 |
Reviewed Rev100 |
ML 1.7 | 2023-02-09 09:50:26 |
43.3207 | 11.3552 | 10 | 2023-02-09 10:54:07 |
Sala Sismica INGV-Roma | 114292071 |
Field | Value |
---|---|
Time (UTC) | 2023-02-09 09:50:26 ± 0.12 |
Latitude | 43.3182 ± 0.0054 |
Longitude | 11.3827 ± 0.0111 |
Depth (km) | 8 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 115623541 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 868 |
Semi-minor axis of confidence ellipse (meter) | 538 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 293 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 870.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 94 |
Number of associated phases, regardless of their use for origin computation | 33 |
Number of defining phases | 25 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.64841 |
Number of stations at which the event was observed | 22 |
Number of stations from which data was used for origin computation | 14 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.3 |
Num. used stations | 5 |
Type of magnitude | ML |
Reference to an origin | 115623541 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2023-10-20 14:03:12 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 114292071 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-02-09 10:54:07 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
AC.PUK.HHZ. | 2023-02-09T09:52:00.12 | 3.0 | undecidable | manual | Pg | 14.53 | 0 | |||
IV.CDRU.HHZ. | 2023-02-09T09:51:59.60 | 3.0 | undecidable | manual | Sn | -1.24 | 0 | |||
IV.CROCE.HHZ. | 2023-02-09T09:51:55.79 | 3.0 | positive | manual | Pn | -1.33 | 0 | |||
IV.MTMR.HNZ. | 2023-02-09T09:51:50.57 | 3.0 | undecidable | manual | Sg | 1.35 | 0 | |||
ST.OZOL.EHZ. | 2023-02-09T09:51:46.53 | 3.0 | undecidable | manual | Sn | -2.19 | 0 | |||
IV.TDS.HHZ. | 2023-02-09T09:51:32.24 | 3.0 | positive | manual | Pn | 1.09 | 0 | |||
IV.MSSA.HHZ. | 2023-02-09T09:51:31.66 | 3.0 | undecidable | manual | Sg | 8.8 | 0 | |||
IV.PAOL.HHZ. | 2023-02-09T09:51:10.69 | 3.0 | undecidable | manual | Pg | 5.87 | 0 | |||
IV.RUFI.EHE. | 2023-02-09T09:50:45.07 | 0.6 | undecidable | manual | S | 10 | 58.5969 | 50 | 0.22 | 45 |
TV.SF11.HHN. | 2023-02-09T09:50:44.05 | 0.3 | undecidable | manual | S | 154 | 55.3002 | 50 | 0.06 | 71 |
IV.ARCI.HNE. | 2023-02-09T09:50:43.48 | 0.6 | undecidable | manual | S | 172 | 52.2033 | 50 | 0.31 | 45 |
IV.CAFI.HHE. | 2023-02-09T09:50:41.34 | 0.3 | undecidable | manual | S | 88 | 47.1195 | 50 | -0.46 | 66 |
IV.TRIF.CHZ. | 2023-02-09T09:50:40.78 | 0.6 | undecidable | manual | S | 240 | 44.9217 | 50 | -0.42 | 44 |
IV.CASP.HHE. | 2023-02-09T09:50:39.92 | 0.6 | undecidable | manual | P | 216 | 71.9724 | 50 | 0.91 | 35 |
IV.MALA4.EHZ. | 2023-02-09T09:50:38.14 | 0.3 | undecidable | manual | S | 167 | 35.5422 | 50 | -0.56 | 65 |
IV.MALA1.EHZ. | 2023-02-09T09:50:38.19 | 0.3 | undecidable | manual | S | 168 | 35.6421 | 50 | -0.55 | 65 |
IV.MCIV.CHE. | 2023-02-09T09:50:38.22 | 0.3 | undecidable | manual | P | 158 | 64.3911 | 50 | 0.37 | 65 |
IV.MALA5.EHZ. | 2023-02-09T09:50:38.04 | 0.6 | undecidable | manual | S | 167 | 35.3424 | 50 | -0.62 | 42 |
IV.CRE.HHZ. | 2023-02-09T09:50:37.53 | 0.6 | undecidable | manual | P | 54 | 56.6988 | 50 | 0.88 | 37 |
IV.RUFI.EHE. | 2023-02-09T09:50:37.24 | 0.6 | undecidable | manual | P | 10 | 58.5969 | 50 | 0.29 | 45 |
IV.ARCI.HNE. | 2023-02-09T09:50:36.09 | 0.3 | undecidable | manual | P | 172 | 52.2033 | 50 | 0.12 | 70 |
TV.SF11.HHN. | 2023-02-09T09:50:36.73 | 0.6 | undecidable | manual | P | 154 | 55.3002 | 50 | 0.28 | 45 |
IV.CAFI.HHE. | 2023-02-09T09:50:35.41 | 0.3 | undecidable | manual | P | 88 | 47.1195 | 50 | 0.23 | 69 |
IV.TRIF.CHZ. | 2023-02-09T09:50:35.19 | 0.3 | undecidable | manual | P | 240 | 44.9217 | 50 | 0.35 | 68 |
IV.OSSC.HHZ. | 2023-02-09T09:50:35.07 | 0.3 | undecidable | manual | S | 334 | 25.3524 | 108 | -0.32 | 70 |
IV.FROS.CHZ. | 2023-02-09T09:50:34.24 | 0.3 | undecidable | manual | S | 237 | 21.867 | 111 | -0.03 | 75 |
IV.CSNT.HHZ. | 2023-02-09T09:50:33.02 | 0.3 | undecidable | manual | S | 337 | 18.7701 | 114 | -0.24 | 73 |
IV.MALA5.EHZ. | 2023-02-09T09:50:33.47 | 0.3 | undecidable | manual | P | 167 | 35.3424 | 50 | 0.1 | 73 |
IV.MALA4.EHZ. | 2023-02-09T09:50:33.31 | 0.3 | undecidable | manual | P | 167 | 35.5422 | 50 | -0.08 | 73 |
IV.MALA1.EHZ. | 2023-02-09T09:50:33.47 | 0.3 | undecidable | manual | P | 168 | 35.6421 | 50 | 0.05 | 73 |
IV.OSSC.HHZ. | 2023-02-09T09:50:31.24 | 0.3 | undecidable | manual | P | 334 | 25.3524 | 108 | -0.25 | 72 |
IV.FROS.CHZ. | 2023-02-09T09:50:31.06 | 0.1 | undecidable | manual | P | 237 | 21.867 | 111 | 0.22 | 97 |
IV.CSNT.HHZ. | 2023-02-09T09:50:30.17 | 0.1 | undecidable | manual | P | 337 | 18.7701 | 114 | -0.08 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CSNT.HHE. | ML:1.7 | 0.0003845 | 0.16 | AML | other | m | 2023-02-09T09:50:33.22 |
IV.CSNT.HHN. | ML:1.6 | 0.00033048604999999997 | 0.1984 | AML | other | m | 2023-02-09T09:50:33.33 |
IV.FROS.CHE. | ML:1.9 | 0.0005531215499999999 | 0.1728 | AML | other | m | 2023-02-09T09:50:34.68 |
IV.OSSC.HHN. | ML:1.2 | 0.00009148873499999999 | 0.1216 | AML | other | m | 2023-02-09T09:50:35.40 |
IV.OSSC.HHE. | ML:1.2 | 0.0001030712 | 0.1408 | AML | other | m | 2023-02-09T09:50:35.82 |