A magnitude ML 0.9 earthquake occured in region: 5 km E Castelnuovo di Val di Cecina (PI), on
and geographic coordinates (lat, lon) 43.2190, 10.9640 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 |
---|---|---|---|---|
Castelnuovo di Val di Cecina | PI | 5 | 2231 | 2231 |
Radicondoli | SI | 8 | 914 | 3145 |
Montieri | GR | 11 | 1204 | 4349 |
Pomarance | PI | 12 | 5897 | 10246 |
Monterotondo Marittimo | GR | 12 | 1371 | 11617 |
Chiusdino | SI | 12 | 1903 | 13520 |
Casole d'Elsa | SI | 15 | 3897 | 17417 |
Massa Marittima | GR | 20 | 8375 | 25792 |
Monticiano | SI | 20 | 1571 | 27363 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.9 | 2021-10-19 02:55:45 |
43.219 | 10.9643 | 10 | 2022-03-30 13:04:13 |
Bollettino Sismico Italiano INGV | 97021011 |
Reviewed Rev100 |
ML 0.6 | 2021-10-19 02:55:45 |
43.2103 | 10.968 | 6 | 2021-10-19 03:01:50 |
Sala Sismica INGV-Roma | 96746331 |
Field | Value |
---|---|
Time (UTC) | 2021-10-19 02:55:45 ± 0.14 |
Latitude | 43.2190 ± 0.0090 |
Longitude | 10.9643 ± 0.0074 |
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 | 97021011 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 924 |
Semi-minor axis of confidence ellipse (meter) | 312 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 187 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 920.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 126 |
Number of associated phases, regardless of their use for origin computation | 9 |
Number of defining phases | 9 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.27 |
Epicentral distance of station closest to the epicenter (degree) | 0.11331 |
Epicentral distance of station farthest from the epicenter (degree) | 0.59535 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 0.6 |
Uncertainty | 0.2 |
Num. used stations | 5 |
Type of magnitude | ML |
Reference to an origin | 96746331 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-19 03:01:50 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.0 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 97021011 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-10-27 12:39:43 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.PII.HHZ. | 2021-10-19T02:55:56.47 | 0.6 | undecidable | manual | P | 328 | 66.0894 | 50 | -0.28 | 46 |
IV.MAGO.CHZ. | 2021-10-19T02:55:54.47 | 0.3 | undecidable | manual | S | 284 | 25.4523 | 111 | -0.04 | 78 |
IV.CASP.HHZ. | 2021-10-19T02:55:53.80 | 0.6 | undecidable | manual | P | 190 | 48.2184 | 50 | -0.2 | 48 |
IV.RIBO.EHZ.01 | 2021-10-19T02:55:51.39 | 0.3 | undecidable | manual | P | 167 | 30.6471 | 50 | 0.09 | 77 |
IV.FROS.CHZ. | 2021-10-19T02:55:51.17 | 0.3 | undecidable | manual | S | 94 | 15.5733 | 123 | -0.26 | 76 |
IV.TRIF.CHZ. | 2021-10-19T02:55:50.27 | 0.3 | undecidable | manual | S | 203 | 12.5763 | 128 | -0.32 | 75 |
IV.MAGO.CHZ. | 2021-10-19T02:55:50.61 | 0.6 | undecidable | manual | P | 284 | 25.4523 | 111 | 0.11 | 51 |
IV.FROS.CHZ. | 2021-10-19T02:55:49.02 | 0.3 | undecidable | manual | P | 94 | 15.5733 | 123 | 0.3 | 75 |
IV.TRIF.CHZ. | 2021-10-19T02:55:48.58 | 0.1 | undecidable | manual | P | 203 | 12.5763 | 128 | 0.34 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.TRIF.CHN. | ML:0.9 | 0.00009295000000000001 | 0.4 | AML | other | m | 2021-10-19T02:55:50.40 |
IV.TRIF.CHE. | ML:0.9 | 0.00008910000000000001 | 0.08 | AML | other | m | 2021-10-19T02:55:50.39 |