A magnitude ML 1.1 earthquake occured in region: 6 km S Montieri (GR), on
and geographic coordinates (lat, lon) 43.0780, 11.0280 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 |
Md 1.3
ML 1.1 |
2021-09-18 06:01:35 |
43.0783 | 11.0277 | 10 | 2022-03-30 13:04:39 |
Bollettino Sismico Italiano INGV | 101586591 |
Reviewed Rev100 |
Md 1.3 | 2021-09-18 06:01:35 |
43.077 | 11.0192 | 11 | 2021-09-18 06:08:15 |
Sala Sismica INGV-Roma | 95574131 |
Field | Value |
---|---|
Time (UTC) | 2021-09-18 06:01:35 ± 0.18 |
Latitude | 43.0783 ± 0.0099 |
Longitude | 11.0277 ± 0.0148 |
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 | 101586591 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1179 |
Semi-minor axis of confidence ellipse (meter) | 988 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 282 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1180.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 90 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 13 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.49 |
Epicentral distance of station closest to the epicenter (degree) | 0.09803 |
Epicentral distance of station farthest from the epicenter (degree) | 0.68348 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.1 |
Num. used stations | 7 |
Type of magnitude | ML |
Reference to an origin | 101586591 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2022-03-01 15:26:19 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.2 |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 101586591 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2022-03-01 15:26:19 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.2 |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 95574131 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-18 06:08:15 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CELB.HHE. | 2021-09-18T06:01:50.12 | 0.3 | undecidable | manual | P | 241 | 75.8685 | 50 | 1.03 | 50 |
IV.ARCI.HHZ. | 2021-09-18T06:01:49.59 | 0.6 | undecidable | manual | S | 125 | 44.2224 | 50 | -0.75 | 40 |
IV.MAGO.CHE. | 2021-09-18T06:01:47.57 | 0.6 | undecidable | manual | S | 306 | 36.9297 | 50 | -0.83 | 39 |
IV.CASP.HHZ. | 2021-09-18T06:01:46.99 | 0.3 | undecidable | manual | S | 203 | 34.5432 | 50 | -0.77 | 61 |
IV.ARCI.HHZ. | 2021-09-18T06:01:45.00 | 0.6 | undecidable | manual | P | 125 | 44.2224 | 50 | 0.81 | 39 |
IV.MAGO.CHE. | 2021-09-18T06:01:43.65 | 0.3 | undecidable | manual | P | 306 | 36.9297 | 50 | 0.58 | 65 |
IV.CASP.HHZ. | 2021-09-18T06:01:42.76 | 0.3 | undecidable | manual | P | 203 | 34.5432 | 50 | 0.05 | 74 |
IV.FROS.CHZ. | 2021-09-18T06:01:42.47 | 0.3 | undecidable | manual | S | 35 | 17.871 | 119 | -0.41 | 71 |
IV.RIBO.EHZ.01 | 2021-09-18T06:01:41.66 | 0.6 | undecidable | manual | S | 174 | 14.4744 | 124 | -0.19 | 50 |
IV.FROS.CHZ. | 2021-09-18T06:01:40.08 | 0.1 | undecidable | manual | P | 35 | 17.871 | 119 | 0.19 | 99 |
IV.TRIF.CHZ. | 2021-09-18T06:01:40.51 | 0.1 | undecidable | manual | S | 292 | 10.878 | 132 | -0.37 | 96 |
IV.RIBO.EHZ.01 | 2021-09-18T06:01:39.49 | 0.1 | undecidable | manual | P | 174 | 14.4744 | 124 | 0.2 | 100 |
IV.TRIF.CHZ. | 2021-09-18T06:01:38.94 | 0.1 | undecidable | manual | P | 292 | 10.878 | 132 | 0.2 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.TRIF.CHN. | ML:0.9 | 0.00010668015 | 0.0896 | AML | other | m | 2021-09-18T06:01:41.54 |
IV.TRIF.CHE. | ML:1.2 | 0.00018518499999999998 | 0.064 | AML | other | m | 2021-09-18T06:01:40.64 |
IV.RIBO.EHE.01 | ML:1.0 | 0.000098587875 | 0.1408 | AML | other | m | 2021-09-18T06:01:42.11 |
IV.FROS.CHE. | ML:1.2 | 0.00012233855 | 0.1696 | AML | other | m | 2021-09-18T06:01:42.87 |
IV.FROS.CHN. | ML:1.3 | 0.00016425524999999998 | 0.144 | AML | other | m | 2021-09-18T06:01:42.89 |
IV.CASP.HHE. | ML:1.0 | 0.00004582108999999999 | 0.24 | AML | other | m | 2021-09-18T06:01:47.37 |
IV.CASP.HHN. | ML:1.1 | 0.000049479825 | 0.2432 | AML | other | m | 2021-09-18T06:01:47.32 |