A magnitude ML 1.6 earthquake occured in region: 6 km S Montieri (GR), on
and geographic coordinates (lat, lon) 43.0790, 11.0260 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 |
---|---|---|---|---|
Montieri | GR | 6 | 1204 | 1204 |
Chiusdino | SI | 10 | 1903 | 3107 |
Massa Marittima | GR | 12 | 8375 | 11482 |
Roccastrada | GR | 14 | 9199 | 20681 |
Monticiano | SI | 14 | 1571 | 22252 |
Monterotondo Marittimo | GR | 16 | 1371 | 23623 |
Castelnuovo di Val di Cecina | PI | 17 | 2231 | 25854 |
Gavorrano | GR | 20 | 8580 | 34434 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.6 | 2021-09-19 05:28:54 |
43.0793 | 11.0265 | 10 | 2022-03-30 13:04:11 |
Bollettino Sismico Italiano INGV | 96471621 |
Reviewed Rev100 |
ML 1.6 | 2021-09-19 05:28:54 |
43.0737 | 11.0032 | 10 | 2021-09-19 05:50:06 |
Sala Sismica INGV-Roma | 95619021 |
Field | Value |
---|---|
Time (UTC) | 2021-09-19 05:28:54 ± 0.13 |
Latitude | 43.0793 ± 0.0072 |
Longitude | 11.0265 ± 0.0123 |
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 | 96471621 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 948 |
Semi-minor axis of confidence ellipse (meter) | 607 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 266 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 950.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 81 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.45 |
Epicentral distance of station closest to the epicenter (degree) | 0.09713 |
Epicentral distance of station farthest from the epicenter (degree) | 0.68348 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.4 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 96471621 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-10-12 11:29:55 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.3 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 95619021 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-19 05:50:06 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.OSSC.HHZ. | 2021-09-19T05:29:11.41 | 0.3 | undecidable | manual | S | 20 | 52.4031 | 50 | -0.1 | 71 |
IV.CSNT.HHZ. | 2021-09-19T05:29:10.18 | 0.3 | undecidable | manual | S | 26 | 48.618 | 50 | -0.32 | 68 |
IV.CELB.HHZ. | 2021-09-19T05:29:09.20 | 0.1 | undecidable | manual | P | 241 | 75.8685 | 50 | 1.13 | 63 |
IV.ARCI.HHZ. | 2021-09-19T05:29:08.56 | 0.3 | undecidable | manual | S | 125 | 44.3223 | 50 | -0.8 | 59 |
IV.MAGO.CHE. | 2021-09-19T05:29:06.68 | 0.3 | undecidable | manual | S | 306 | 36.741 | 50 | -0.66 | 63 |
TV.SF04.EHZ. | 2021-09-19T05:29:05.77 | 0.3 | undecidable | manual | P | 117 | 58.0974 | 50 | 0.43 | 66 |
IV.CASP.HHZ. | 2021-09-19T05:29:05.98 | 0.3 | undecidable | manual | S | 202 | 34.5432 | 50 | -0.78 | 60 |
IV.CSNT.HHZ. | 2021-09-19T05:29:04.23 | 0.1 | undecidable | manual | P | 26 | 48.618 | 50 | 0.37 | 90 |
IV.OSSC.HHZ. | 2021-09-19T05:29:04.90 | 0.1 | undecidable | manual | P | 20 | 52.4031 | 50 | 0.46 | 88 |
IV.ARCI.HHZ. | 2021-09-19T05:29:03.36 | 0.3 | undecidable | manual | P | 125 | 44.3223 | 50 | 0.15 | 95 |
IV.MAGO.CHE. | 2021-09-19T05:29:02.12 | 0.1 | undecidable | manual | P | 306 | 36.741 | 50 | 0.08 | 98 |
IV.CASP.HHZ. | 2021-09-19T05:29:01.74 | 0.1 | undecidable | manual | P | 202 | 34.5432 | 50 | 0.03 | 99 |
IV.RIBO.EHZ.01 | 2021-09-19T05:29:00.68 | 0.3 | undecidable | manual | S | 174 | 14.5743 | 124 | -0.22 | 74 |
IV.FROS.CHZ. | 2021-09-19T05:29:00.90 | 0.6 | undecidable | manual | S | 36 | 17.871 | 119 | -0.98 | 38 |
IV.FROS.CHZ. | 2021-09-19T05:28:59.06 | 0.1 | undecidable | manual | P | 36 | 17.871 | 119 | 0.17 | 99 |
IV.TRIF.CHZ. | 2021-09-19T05:28:59.37 | 0.3 | undecidable | manual | S | 291 | 10.7781 | 132 | -0.49 | 70 |
IV.RIBO.EHZ.01 | 2021-09-19T05:28:58.49 | 0.1 | undecidable | manual | P | 174 | 14.5743 | 124 | 0.17 | 100 |
IV.TRIF.CHZ. | 2021-09-19T05:28:57.92 | 0.1 | undecidable | manual | P | 291 | 10.7781 | 132 | 0.2 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.TRIF.CHE. | ML:2.0 | 0.0013599999999999999 | 0.24 | AML | other | m | 2021-09-19T05:28:59.71 |
IV.TRIF.CHN. | ML:1.8 | 0.0008835 | 0.94 | AML | other | m | 2021-09-19T05:29:00.08 |
IV.FROS.CHE. | ML:1.3 | 0.0001645398 | 0.3616 | AML | other | m | 2021-09-19T05:29:02.06 |
IV.FROS.CHN. | ML:1.5 | 0.0002476117 | 0.336 | AML | other | m | 2021-09-19T05:29:01.83 |
IV.CASP.HHE. | ML:1.8 | 0.00025039765 | 0.3392 | AML | other | m | 2021-09-19T05:29:06.37 |
IV.CASP.HNE. | ML:1.8 | 0.00024018545 | 0.0928 | AML | other | m | 2021-09-19T05:29:06.37 |
IV.CASP.HNN. | ML:1.9 | 0.0003348315 | 0.3232 | AML | other | m | 2021-09-19T05:29:06.33 |
IV.CASP.HHN. | ML:1.8 | 0.00027047080000000003 | 0.3424 | AML | other | m | 2021-09-19T05:29:06.33 |
IV.CSNT.HHN. | ML:1.0 | 0.000023548469999999998 | 0.16 | AML | other | m | 2021-09-19T05:29:10.69 |
IV.CSNT.HHE. | ML:0.9 | 0.000020401725000000003 | 1.0016 | AML | other | m | 2021-09-19T05:29:10.70 |
IV.OSSC.HHE. | ML:0.9 | 0.000021548015 | 0.5408 | AML | other | m | 2021-09-19T05:29:12.10 |
TV.SF04.EHN. | ML:1.7 | 0.0001039475 | 0.2016 | AML | other | m | 2021-09-19T05:29:14.65 |
IV.OSSC.HHN. | ML:0.8 | 0.000015419051 | 0.3616 | AML | other | m | 2021-09-19T05:29:11.79 |
IV.RIBO.EHE.01 | ML:1.9 | 0.00089350805 | 0.16 | AML | other | m | 2021-09-19T05:29:00.85 |