A magnitude ML 1.6 earthquake occured in region: 6 km S Montieri (GR), on
and geographic coordinates (lat, lon) 43.0740, 11.0170 at 11 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 |
Massa Marittima | GR | 11 | 8375 | 9579 |
Chiusdino | SI | 11 | 1903 | 11482 |
Roccastrada | GR | 14 | 9199 | 20681 |
Monticiano | SI | 15 | 1571 | 22252 |
Monterotondo Marittimo | GR | 15 | 1371 | 23623 |
Castelnuovo di Val di Cecina | PI | 17 | 2231 | 25854 |
Gavorrano | GR | 19 | 8580 | 34434 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.6 | 2021-09-18 05:43:29 |
43.0738 | 11.0172 | 11 | 2022-03-30 13:04:07 |
Bollettino Sismico Italiano INGV | 95691181 |
Reviewed Rev100 |
ML 1.6 | 2021-09-18 05:43:29 |
43.0912 | 11.0745 | 7 | 2021-09-18 05:51:37 |
Sala Sismica INGV-Roma | 95573291 |
Field | Value |
---|---|
Time (UTC) | 2021-09-18 05:43:29 ± 0.16 |
Latitude | 43.0738 ± 0.0090 |
Longitude | 11.0172 ± 0.0148 |
Depth (km) | 11 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 95691181 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1206 |
Semi-minor axis of confidence ellipse (meter) | 856 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 243 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1210.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 91 |
Number of associated phases, regardless of their use for origin computation | 34 |
Number of defining phases | 15 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.44 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.67449 |
Number of stations at which the event was observed | 26 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 95691181 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2022-03-01 15:15:56 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.1 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 95573291 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-18 05:51:37 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SPS2.HHZ. | 2021-09-18T05:44:38.16 | 3.0 | negative | manual | Pg | 20.82 | 0 | |||
IV.IFIL.HHZ. | 2021-09-18T05:44:32.30 | 3.0 | positive | manual | Pg | 14.55 | 0 | |||
IV.CET2.HHZ. | 2021-09-18T05:44:12.55 | 3.0 | undecidable | manual | Pn | 0.14 | 0 | |||
IX.SCL3.EHZ.02 | 2021-09-18T05:44:10.44 | 3.0 | negative | manual | Pg | 13.76 | 0 | |||
IV.PZUN.HHZ. | 2021-09-18T05:44:10.75 | 3.0 | negative | manual | Pg | 11.69 | 0 | |||
IV.IST3.HHZ. | 2021-09-18T05:44:06.57 | 3.0 | positive | manual | Pn | -9.99 | 0 | |||
IV.VBKN.HHZ. | 2021-09-18T05:44:03.30 | 3.0 | positive | manual | Pg | 14.23 | 0 | |||
IV.TOLF.HHZ. | 2021-09-18T05:44:01.92 | 3.0 | undecidable | manual | Sg | 6.06 | 0 | |||
IV.CDRU.HHZ. | 2021-09-18T05:43:58.92 | 3.0 | undecidable | manual | Pn | 1.19 | 0 | |||
TV.SF04.EHZ. | 2021-09-18T05:43:46.87 | 0.6 | undecidable | manual | S | 117 | 58.497 | 50 | -0.8 | 37 |
IV.CSNT.HHZ. | 2021-09-18T05:43:44.85 | 0.6 | undecidable | manual | S | 26 | 49.5171 | 50 | -0.4 | 44 |
IV.CELB.HHZ. | 2021-09-18T05:43:43.73 | 0.3 | undecidable | manual | P | 241 | 74.8695 | 50 | 1.23 | 44 |
IV.ARCI.HHZ. | 2021-09-18T05:43:43.24 | 0.3 | undecidable | manual | S | 123 | 44.622 | 50 | -0.71 | 40 |
IV.VVLD.HHZ. | 2021-09-18T05:43:42.73 | 3.0 | negative | manual | Pg | 9.86 | 0 | |||
IV.MAGO.CHE. | 2021-09-18T05:43:41.08 | 0.6 | undecidable | manual | S | 307 | 36.5412 | 50 | -0.71 | 40 |
TV.SF04.EHZ. | 2021-09-18T05:43:40.43 | 0.1 | undecidable | manual | P | 117 | 58.497 | 50 | 0.45 | 85 |
IV.CASP.HHZ. | 2021-09-18T05:43:40.63 | 0.1 | undecidable | manual | S | 201 | 33.744 | 50 | -0.41 | 90 |
IV.CSNT.HHZ. | 2021-09-18T05:43:39.02 | 0.3 | undecidable | manual | P | 26 | 49.5171 | 50 | 0.43 | 65 |
IV.VENT.EHZ. | 2021-09-18T05:43:38.15 | 3.0 | negative | manual | Pn | -6.99 | 0 | |||
IV.ARCI.HHZ. | 2021-09-18T05:43:38.00 | 0.1 | undecidable | manual | P | 123 | 44.622 | 50 | 0.16 | 93 |
IV.CASP.HHZ. | 2021-09-18T05:43:36.43 | 0.1 | undecidable | manual | P | 201 | 33.744 | 50 | 0.27 | 92 |
IV.MAGO.CHE. | 2021-09-18T05:43:36.72 | 0.3 | undecidable | manual | P | 307 | 36.5412 | 50 | 0.13 | 71 |
IV.RIBO.EHZ.01 | 2021-09-18T05:43:35.25 | 0.6 | undecidable | manual | S | 170 | 14.0748 | 127 | -0.35 | 47 |
IV.TRIF.CHZ. | 2021-09-18T05:43:34.08 | 0.3 | undecidable | manual | S | 296 | 10.2786 | 136 | -0.55 | 67 |
IV.RIBO.EHZ.01 | 2021-09-18T05:43:33.17 | 0.1 | positive | manual | P | 170 | 14.0748 | 127 | 0.16 | 98 |
IV.FROS.CHZ. | 2021-09-18T05:43:33.73 | 3.0 | undecidable | manual | Sg | 3.78 | 0 | |||
IV.TRIF.CHZ. | 2021-09-18T05:43:32.54 | 0.1 | negative | manual | P | 296 | 10.2786 | 136 | 0.09 | 100 |
IV.PE3.EHZ. | 2021-09-18T05:43:29.15 | 3.0 | undecidable | manual | Sg | 4.05 | 0 | |||
IV.MNTP.HNZ. | 2021-09-18T05:43:20.05 | 3.0 | negative | manual | Pn | 1.44 | 0 | |||
OX.CIMO.HHZ. | 2021-09-18T05:43:19.25 | 3.0 | negative | manual | Pn | 1.97 | 0 | |||
IV.TOLF.HHZ. | 2021-09-18T05:43:15.52 | 3.0 | undecidable | manual | Pn | -9.54 | 0 | |||
IV.NDIM.HHZ. | 2021-09-18T05:43:15.77 | 3.0 | undecidable | manual | Sn | 0.21 | 0 | |||
IV.BRSN.EHZ. | 2021-09-18T05:43:09.07 | 3.0 | positive | manual | Pg | 7.03 | 0 | |||
IV.IMOL.HNZ. | 2021-09-18T05:43:01.03 | 3.0 | negative | manual | P | 0.29 | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.TRIF.CHN. | ML:1.6 | 0.00045900000000000004 | 0.28 | AML | other | m | 2021-09-18T05:43:34.20 |
IV.TRIF.CHE. | ML:1.6 | 0.000503 | 0.24 | AML | other | m | 2021-09-18T05:43:34.23 |
IV.FROS.CHN. | ML:1.9 | 0.0006255 | 0.22 | AML | other | m | 2021-09-18T05:43:36.46 |
IV.FROS.CHE. | ML:1.8 | 0.000481 | 0.68 | AML | other | m | 2021-09-18T05:43:37.47 |
IV.CASP.HHE. | ML:1.6 | 0.000176 | 1.78 | AML | other | m | 2021-09-18T05:43:40.02 |
IV.CASP.HHN. | ML:1.7 | 0.00020050000000000002 | 0.32 | AML | other | m | 2021-09-18T05:43:40.97 |
IV.ARCI.HHN. | ML:1.4 | 0.00007405000000000001 | 0.12 | AML | other | m | 2021-09-18T05:43:43.40 |
IV.ARCI.HHE. | ML:1.4 | 0.00008575 | 1.08 | AML | other | m | 2021-09-18T05:43:43.94 |