A magnitude ML 1.1 earthquake occured in region: 4 km NW Chiusdino (SI), on
and geographic coordinates (lat, lon) 43.1840, 11.0560 at 10 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 |
---|---|---|---|---|
Chiusdino | SI | 4 | 1903 | 1903 |
Montieri | GR | 7 | 1204 | 3107 |
Radicondoli | SI | 9 | 914 | 4021 |
Monticiano | SI | 11 | 1571 | 5592 |
Castelnuovo di Val di Cecina | PI | 12 | 2231 | 7823 |
Monterotondo Marittimo | GR | 17 | 1371 | 9194 |
Casole d'Elsa | SI | 18 | 3897 | 13091 |
Sovicille | SI | 18 | 10116 | 23207 |
Pomarance | PI | 20 | 5897 | 29104 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.1 | 2021-06-20 06:10:19 |
43.1837 | 11.056 | 10 | 2021-12-29 11:12:30 |
Bollettino Sismico Italiano INGV | 95511731 |
Reviewed Rev100 |
ML 1.2 | 2021-06-20 06:10:18 |
43.3123 | 11.0488 | 10 | 2021-06-20 06:26:56 |
Sala Sismica INGV-Roma | 91585361 |
Field | Value |
---|---|
Time (UTC) | 2021-06-20 06:10:19 ± 0.16 |
Latitude | 43.1837 ± 0.0126 |
Longitude | 11.0560 ± 0.0222 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 95511731 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2109 |
Semi-minor axis of confidence ellipse (meter) | 626 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 126 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2110.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 144 |
Number of associated phases, regardless of their use for origin computation | 21 |
Number of defining phases | 11 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.41 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.41639 |
Number of stations at which the event was observed | 16 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 95511731 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-09-16 15:00:54 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 91585361 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-06-20 06:26:56 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SERS.HHZ. | 2021-06-20T06:11:51.63 | 3.0 | undecidable | manual | Pn | 4.87 | 0 | |||
IV.PZUN.HHZ. | 2021-06-20T06:11:35.00 | 3.0 | positive | manual | Pg | 10.28 | 0 | |||
IV.T0110.HHZ. | 2021-06-20T06:11:34.06 | 3.0 | undecidable | manual | Sg | 7.71 | 0 | |||
NI.POLC.HHZ. | 2021-06-20T06:11:34.66 | 3.0 | undecidable | manual | Sn | 0.46 | 0 | |||
IV.PP3.EHZ. | 2021-06-20T06:11:17.80 | 3.0 | undecidable | manual | Sn | 3.33 | 0 | |||
IV.MIDA.HHZ. | 2021-06-20T06:11:06.84 | 3.0 | undecidable | manual | Pn | 3.25 | 0 | |||
IV.ZONE.HHZ. | 2021-06-20T06:10:54.61 | 3.0 | negative | manual | Pg | 1.23 | 0 | |||
IV.ZEN8.HNZ. | 2021-06-20T06:10:51.29 | 3.0 | undecidable | manual | Pg | 0.53 | 0 | |||
IV.NDIM.HNZ. | 2021-06-20T06:10:39.18 | 3.0 | negative | manual | P | -1.23 | 0 | |||
IV.PE3.EHZ. | 2021-06-20T06:10:37.33 | 3.0 | negative | manual | P | 0 | 0 | |||
IV.CSNT.HHZ. | 2021-06-20T06:10:32.18 | 0.6 | undecidable | manual | S | 30 | 37.2294 | 50 | -0.12 | 48 |
IV.OSSC.HNZ. | 2021-06-20T06:10:32.49 | 0.3 | undecidable | manual | S | 22 | 40.7259 | 50 | -0.73 | 60 |
IV.RIBO.EHZ.01 | 2021-06-20T06:10:28.55 | 0.6 | undecidable | manual | S | 182 | 26.0517 | 50 | -0.76 | 41 |
IV.CASP.HHZ. | 2021-06-20T06:10:28.92 | 0.3 | undecidable | manual | P | 200 | 46.2204 | 50 | 0.55 | 64 |
IV.CSNT.HHZ. | 2021-06-20T06:10:27.35 | 0.3 | undecidable | manual | P | 30 | 37.2294 | 50 | 0.37 | 68 |
IV.OSSC.HNZ. | 2021-06-20T06:10:27.96 | 0.3 | undecidable | manual | P | 22 | 40.7259 | 50 | 0.45 | 67 |
IV.TRIF.CHZ. | 2021-06-20T06:10:25.35 | 0.6 | undecidable | manual | S | 238 | 14.5743 | 125 | -0.56 | 45 |
IV.RIBO.EHZ.01 | 2021-06-20T06:10:25.37 | 0.6 | undecidable | manual | P | 182 | 26.0517 | 50 | 0.11 | 49 |
IV.FROS.CHZ. | 2021-06-20T06:10:24.02 | 0.6 | undecidable | manual | S | 70 | 8.5803 | 140 | -0.35 | 48 |
IV.TRIF.CHZ. | 2021-06-20T06:10:23.40 | 0.1 | negative | manual | P | 238 | 14.5743 | 125 | 0.11 | 100 |
IV.FROS.CHZ. | 2021-06-20T06:10:22.57 | 0.1 | negative | manual | P | 70 | 8.5803 | 140 | 0.17 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FROS.CHN. | ML:1.0 | 0.000152 | 0.2 | AML | other | m | 2021-06-20T06:10:24.33 |
IV.FROS.CHE. | ML:1.2 | 0.000213 | 0.64 | AML | other | m | 2021-06-20T06:10:24.06 |
IV.TRIF.CHN. | ML:1.0 | 0.00009635 | 0.66 | AML | other | m | 2021-06-20T06:10:25.74 |
IV.TRIF.CHE. | ML:1.0 | 0.00009945 | 0.96 | AML | other | m | 2021-06-20T06:10:26.51 |