A magnitude ML 1.7 earthquake occured in region: 6 km S Montieri (GR), on
and geographic coordinates (lat, lon) 43.0770, 11.0230 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 |
Chiusdino | SI | 10 | 1903 | 3107 |
Massa Marittima | GR | 11 | 8375 | 11482 |
Roccastrada | GR | 14 | 9199 | 20681 |
Monticiano | SI | 15 | 1571 | 22252 |
Monterotondo Marittimo | GR | 16 | 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 1.7 | 2021-09-19 05:29:04 |
43.0767 | 11.0233 | 11 | 2022-03-30 13:04:12 |
Bollettino Sismico Italiano INGV | 96833271 |
Field | Value |
---|---|
Time (UTC) | 2021-09-19 05:29:04 ± 0.11 |
Latitude | 43.0767 ± 0.0063 |
Longitude | 11.0233 ± 0.0098 |
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 | 96833271 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 812 |
Semi-minor axis of confidence ellipse (meter) | 588 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 265 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 810.0 |
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 | 18 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.38 |
Epicentral distance of station closest to the epicenter (degree) | 0.09623 |
Epicentral distance of station farthest from the epicenter (degree) | 0.52430 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.3 |
Num. used stations | 11 |
Type of magnitude | ML |
Reference to an origin | 96833271 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-10-21 08:48:37 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.OSSC.HHZ. | 2021-09-19T05:29:21.31 | 0.3 | undecidable | manual | S | 20 | 52.7028 | 50 | 0.07 | 70 |
TV.SF04.EHZ. | 2021-09-19T05:29:21.84 | 0.6 | undecidable | manual | S | 117 | 58.1973 | 50 | -0.86 | 37 |
IV.CSNT.HHZ. | 2021-09-19T05:29:20.00 | 0.3 | undecidable | manual | S | 26 | 49.0176 | 50 | -0.23 | 69 |
IV.ARCI.HHZ. | 2021-09-19T05:29:18.35 | 0.3 | undecidable | manual | S | 124 | 44.3223 | 50 | -0.65 | 61 |
IV.MAGO.CHE. | 2021-09-19T05:29:16.35 | 0.3 | undecidable | manual | S | 307 | 36.741 | 50 | -0.62 | 63 |
TV.SF04.EHZ. | 2021-09-19T05:29:15.51 | 0.3 | undecidable | manual | P | 117 | 58.1973 | 50 | 0.46 | 64 |
IV.CASP.HHZ. | 2021-09-19T05:29:15.87 | 0.3 | undecidable | manual | S | 202 | 34.2435 | 50 | -0.42 | 68 |
IV.CSNT.HHZ. | 2021-09-19T05:29:14.06 | 0.1 | undecidable | manual | P | 26 | 49.0176 | 50 | 0.44 | 87 |
IV.OSSC.HHZ. | 2021-09-19T05:29:14.76 | 0.3 | undecidable | manual | P | 20 | 52.7028 | 50 | 0.56 | 63 |
IV.ARCI.HHZ. | 2021-09-19T05:29:13.25 | 0.1 | undecidable | manual | P | 124 | 44.3223 | 50 | 0.34 | 90 |
IV.CASP.HHZ. | 2021-09-19T05:29:11.70 | 0.3 | undecidable | manual | P | 202 | 34.2435 | 50 | 0.35 | 69 |
IV.MAGO.CHE. | 2021-09-19T05:29:11.99 | 0.1 | undecidable | manual | P | 307 | 36.741 | 50 | 0.25 | 93 |
IV.FROS.CHZ. | 2021-09-19T05:29:11.32 | 0.3 | undecidable | manual | S | 36 | 18.2706 | 120 | -0.6 | 66 |
IV.RIBO.EHN.01 | 2021-09-19T05:29:10.66 | 0.3 | undecidable | manual | S | 172 | 14.2746 | 127 | -0.1 | 75 |
IV.TRIF.CHZ. | 2021-09-19T05:29:09.35 | 0.3 | undecidable | manual | S | 293 | 10.6782 | 135 | -0.45 | 70 |
IV.FROS.CHZ. | 2021-09-19T05:29:08.88 | 0.1 | undecidable | manual | P | 36 | 18.2706 | 120 | 0.06 | 100 |
IV.RIBO.EHN.01 | 2021-09-19T05:29:08.39 | 0.1 | undecidable | manual | P | 172 | 14.2746 | 127 | 0.24 | 97 |
IV.TRIF.CHZ. | 2021-09-19T05:29:07.79 | 0.1 | undecidable | manual | P | 293 | 10.6782 | 135 | 0.19 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FROS.CHE. | ML:1.8 | 0.00049111685 | 0.288 | AML | other | m | 2021-09-19T05:29:11.40 |
IV.FROS.CHN. | ML:1.8 | 0.00045746525000000003 | 0.1984 | AML | other | m | 2021-09-19T05:29:11.70 |
IV.CASP.HHE. | ML:2.0 | 0.00038500000000000003 | 0.32 | AML | other | m | 2021-09-19T05:29:16.03 |
IV.CASP.HHN. | ML:1.9 | 0.00034250000000000003 | 0.28 | AML | other | m | 2021-09-19T05:29:16.03 |
IV.CSNT.HHN. | ML:1.4 | 0.0000685 | 0.24 | AML | other | m | 2021-09-19T05:29:20.32 |
IV.CSNT.HHE. | ML:1.2 | 0.000041150000000000004 | 0.42 | AML | other | m | 2021-09-19T05:29:20.59 |
IV.OSSC.HHE. | ML:1.3 | 0.000042999999999999995 | 1.02 | AML | other | m | 2021-09-19T05:29:21.45 |
TV.SF04.EHN. | ML:1.7 | 0.000112 | 0.92 | AML | other | m | 2021-09-19T05:29:22.18 |
IV.OSSC.HHN. | ML:1.2 | 0.0000344 | 1.42 | AML | other | m | 2021-09-19T05:29:22.86 |
IV.CASP.HNN. | ML:1.9 | 0.00030396869999999997 | 0.1792 | AML | other | m | 2021-09-19T05:29:15.95 |
IV.CASP.HNE. | ML:1.9 | 0.00031304375000000003 | 0.1504 | AML | other | m | 2021-09-19T05:29:16.03 |