A magnitude ML 1.6 earthquake occured in region: 4 km E Castelnuovo di Val di Cecina (PI), on
and geographic coordinates (lat, lon) 43.2190, 10.9470 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 |
---|---|---|---|---|
Castelnuovo di Val di Cecina | PI | 4 | 2231 | 2231 |
Radicondoli | SI | 9 | 914 | 3145 |
Pomarance | PI | 11 | 5897 | 9042 |
Monterotondo Marittimo | GR | 11 | 1371 | 10413 |
Montieri | GR | 11 | 1204 | 11617 |
Chiusdino | SI | 14 | 1903 | 13520 |
Casole d'Elsa | SI | 16 | 3897 | 17417 |
Monteverdi Marittimo | PI | 19 | 758 | 18175 |
Massa Marittima | GR | 19 | 8375 | 26550 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.6 | 2021-10-25 19:49:03 |
43.2192 | 10.9473 | 8 | 2022-03-30 13:04:14 |
Bollettino Sismico Italiano INGV | 97168451 |
Reviewed Rev100 |
ML 1.7 | 2021-10-25 19:49:03 |
43.2203 | 10.9485 | 8 | 2021-10-25 20:03:05 |
Sala Sismica INGV-Roma | 96987781 |
Field | Value |
---|---|
Time (UTC) | 2021-10-25 19:49:03 ± 0.08 |
Latitude | 43.2192 ± 0.0045 |
Longitude | 10.9473 ± 0.0062 |
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 | 97168451 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 530 |
Semi-minor axis of confidence ellipse (meter) | 408 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 274 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 530.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 72 |
Number of associated phases, regardless of their use for origin computation | 41 |
Number of defining phases | 26 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.29 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.83727 |
Number of stations at which the event was observed | 28 |
Number of stations from which data was used for origin computation | 14 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.1 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 97168451 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-11-02 13:27:01 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.3 |
Num. used stations | 20 |
Type of magnitude | ML |
Reference to an origin | 96987781 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-25 20:03:05 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.PAOL.HHZ. | 2021-10-25T19:50:55.86 | 3.0 | undecidable | manual | Sg | 14.81 | 0 | |||
IV.MPNC.HHZ. | 2021-10-25T19:50:55.95 | 3.0 | negative | manual | Pg | 21.58 | 0 | |||
OT.OT17.EHZ. | 2021-10-25T19:50:45.04 | 3.0 | undecidable | manual | Sn | 0.57 | 0 | |||
IV.COLB.HHZ. | 2021-10-25T19:50:42.43 | 3.0 | undecidable | manual | Sn | 3.46 | 0 | |||
MN.TRI.HHZ. | 2021-10-25T19:50:33.26 | 3.0 | undecidable | manual | Sn | -0.47 | 0 | |||
OX.VARN.HHZ. | 2021-10-25T19:50:32.27 | 3.0 | undecidable | manual | Sg | 6.23 | 0 | |||
IV.MDI.HHZ. | 2021-10-25T19:50:25.49 | 3.0 | undecidable | manual | Sg | 4.22 | 0 | |||
GU.MGRO.HHZ. | 2021-10-25T19:50:15.18 | 3.0 | undecidable | manual | Sn | 0.28 | 0 | |||
IV.PZUN.HHZ. | 2021-10-25T19:50:10.64 | 3.0 | negative | manual | Pn | -1.28 | 0 | |||
IV.TREM.HHZ. | 2021-10-25T19:50:07.86 | 3.0 | negative | manual | Pg | 8.47 | 0 | |||
IV.PAOL.HHZ. | 2021-10-25T19:50:03.19 | 3.0 | positive | manual | Pn | 4.66 | 0 | |||
IV.TREG.EHZ. | 2021-10-25T19:49:42.62 | 3.0 | negative | manual | Pn | 0.56 | 0 | |||
IV.BOZZ.EHZ. | 2021-10-25T19:49:38.03 | 3.0 | positive | manual | Pn | 1.34 | 0 | |||
GU.POPM.HHZ. | 2021-10-25T19:49:32.25 | 0.3 | undecidable | manual | S | 351 | 92.9403 | 50 | 0.37 | 62 |
IV.RUFI.EHZ. | 2021-10-25T19:49:29.39 | 0.6 | undecidable | manual | S | 33 | 82.251 | 50 | 0.36 | 43 |
IV.MPPT.EHZ. | 2021-10-25T19:49:29.36 | 0.6 | undecidable | manual | S | 8 | 82.7505 | 50 | 0.19 | 44 |
IV.PII.HHZ. | 2021-10-25T19:49:24.41 | 0.3 | undecidable | manual | S | 329 | 65.2902 | 50 | -0.12 | 69 |
IV.PARC.HHZ. | 2021-10-25T19:49:24.41 | 3.0 | negative | manual | P | -0.15 | 0 | |||
IV.CRMI.HHZ. | 2021-10-25T19:49:23.73 | 0.6 | undecidable | manual | S | 2 | 63.9915 | 50 | -0.45 | 43 |
IV.CRE.HHZ. | 2021-10-25T19:49:21.12 | 3.0 | negative | manual | P | 0.3 | 0 | |||
GU.POPM.HHZ. | 2021-10-25T19:49:20.48 | 0.3 | undecidable | manual | P | 351 | 92.9403 | 50 | 0.4 | 62 |
GU.MAIM.HHZ. | 2021-10-25T19:49:19.15 | 0.3 | undecidable | manual | P | 335 | 85.248 | 50 | 0.25 | 65 |
IV.CASP.HHZ. | 2021-10-25T19:49:19.39 | 0.3 | undecidable | manual | S | 188 | 48.0186 | 50 | -0.5 | 66 |
IV.RUFI.EHZ. | 2021-10-25T19:49:18.71 | 0.1 | undecidable | manual | P | 33 | 82.251 | 50 | 0.28 | 86 |
IV.MPPT.EHZ. | 2021-10-25T19:49:18.77 | 0.1 | undecidable | manual | P | 8 | 82.7505 | 50 | 0.27 | 87 |
IV.CELB.HHZ. | 2021-10-25T19:49:18.84 | 0.3 | undecidable | manual | P | 229 | 79.4649 | 50 | 0.83 | 54 |
IV.CSNT.HHZ. | 2021-10-25T19:49:17.10 | 0.3 | undecidable | manual | S | 44 | 39.5271 | 50 | -0.53 | 66 |
IV.OSSC.HHZ. | 2021-10-25T19:49:17.77 | 0.6 | undecidable | manual | S | 35 | 41.4252 | 50 | -0.39 | 46 |
IV.CRMI.HHZ. | 2021-10-25T19:49:15.67 | 0.3 | positive | manual | P | 2 | 63.9915 | 50 | 0.05 | 70 |
IV.PII.HHZ. | 2021-10-25T19:49:15.68 | 0.1 | undecidable | manual | P | 329 | 65.2902 | 50 | -0.15 | 92 |
IV.RIBO.EHZ.01 | 2021-10-25T19:49:14.81 | 0.3 | undecidable | manual | S | 165 | 31.0467 | 104 | -0.23 | 72 |
IV.CASP.HHZ. | 2021-10-25T19:49:13.24 | 0.1 | undecidable | manual | P | 188 | 48.0186 | 50 | 0.09 | 96 |
IV.MAGO.CHZ. | 2021-10-25T19:49:12.16 | 0.3 | undecidable | manual | S | 285 | 24.1536 | 108 | -0.6 | 66 |
IV.OSSC.HHZ. | 2021-10-25T19:49:11.96 | 0.3 | undecidable | manual | P | 35 | 41.4252 | 50 | -0.19 | 71 |
IV.CSNT.HHZ. | 2021-10-25T19:49:11.52 | 0.1 | undecidable | manual | P | 44 | 39.5271 | 50 | -0.32 | 93 |
IV.RIBO.EHZ.01 | 2021-10-25T19:49:10.54 | 0.3 | undecidable | manual | P | 165 | 31.0467 | 104 | 0.19 | 73 |
IV.FROS.CHZ. | 2021-10-25T19:49:10.29 | 0.3 | undecidable | manual | S | 93 | 16.872 | 115 | -0.13 | 75 |
IV.MAGO.CHZ. | 2021-10-25T19:49:08.94 | 0.1 | undecidable | manual | P | 285 | 24.1536 | 108 | -0.09 | 100 |
IV.TRIF.CHZ. | 2021-10-25T19:49:08.83 | 0.3 | undecidable | manual | S | 197 | 12.0768 | 123 | -0.14 | 76 |
IV.FROS.CHZ. | 2021-10-25T19:49:07.89 | 0.1 | undecidable | manual | P | 93 | 16.872 | 115 | 0.21 | 99 |
IV.TRIF.CHZ. | 2021-10-25T19:49:07.19 | 0.1 | undecidable | manual | P | 197 | 12.0768 | 123 | 0.35 | 97 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FROS.CHE. | ML:1.7 | 0.00042581745000000004 | 0.2688 | AML | other | m | 2021-10-25T19:49:10.41 |
IV.FROS.CHN. | ML:1.8 | 0.0005837386499999999 | 0.2304 | AML | other | m | 2021-10-25T19:49:12.79 |
IV.CSNT.HHN. | ML:1.4 | 0.00010164999999999999 | 0.38 | AML | other | m | 2021-10-25T19:49:17.01 |
IV.CSNT.HHE. | ML:1.6 | 0.0001235 | 0.52 | AML | other | m | 2021-10-25T19:49:17.58 |
IV.OSSC.HHN. | ML:1.7 | 0.000163 | 0.28 | AML | other | m | 2021-10-25T19:49:18.02 |
IV.OSSC.HHE. | ML:1.7 | 0.000174 | 0.18 | AML | other | m | 2021-10-25T19:49:18.53 |
IV.CASP.HHN. | ML:1.4 | 0.00006769999999999999 | 0.12 | AML | other | m | 2021-10-25T19:49:19.62 |
IV.CASP.HHE. | ML:1.8 | 0.00015900000000000002 | 0.18 | AML | other | m | 2021-10-25T19:49:24.04 |
IV.PII.HHE. | ML:1.7 | 0.00009045 | 0.32 | AML | other | m | 2021-10-25T19:49:25.77 |
IV.PII.HHN. | ML:1.7 | 0.00008795 | 0.3 | AML | other | m | 2021-10-25T19:49:26.54 |
IV.CELB.HHN. | ML:1.8 | 0.00007885 | 1.54 | AML | other | m | 2021-10-25T19:49:33.09 |
IV.CELB.HHE. | ML:1.7 | 0.00006484999999999999 | 0.8 | AML | other | m | 2021-10-25T19:49:34.56 |
GU.POPM.HHE. | ML:1.5 | 0.00003315 | 0.78 | AML | other | m | 2021-10-25T19:49:34.54 |
GU.POPM.HHN. | ML:1.6 | 0.00004965 | 0.74 | AML | other | m | 2021-10-25T19:49:34.58 |