A magnitude ML 1.4 earthquake occured in region: 5 km S Montieri (GR), on
and geographic coordinates (lat, lon) 43.0820, 11.0190 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 | 15 | 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 1.4 | 2021-09-18 05:17:03 |
43.0823 | 11.0193 | 11 | 2022-03-30 13:04:39 |
Bollettino Sismico Italiano INGV | 101585081 |
Reviewed Rev100 |
ML 1.4 | 2021-09-18 05:17:03 |
43.0558 | 11.0398 | 8 | 2021-09-18 05:29:10 |
Sala Sismica INGV-Roma | 95571861 |
Field | Value |
---|---|
Time (UTC) | 2021-09-18 05:17:03 ± 0.16 |
Latitude | 43.0823 ± 0.0108 |
Longitude | 11.0193 ± 0.0123 |
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 | 101585081 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1111 |
Semi-minor axis of confidence ellipse (meter) | 1010 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 338 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1110.0 |
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) | 0.43 |
Epicentral distance of station closest to the epicenter (degree) | 0.09083 |
Epicentral distance of station farthest from the epicenter (degree) | 0.52700 |
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 | 1.4 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 101585081 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2022-03-01 14:40:41 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 95571861 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-18 05:29:10 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSNT.HHZ. | 2021-09-18T05:17:18.64 | 0.3 | undecidable | manual | S | 27 | 48.5181 | 50 | -0.64 | 42 |
IV.ARCI.HHZ. | 2021-09-18T05:17:17.66 | 0.3 | undecidable | manual | S | 124 | 45.0216 | 50 | -0.68 | 62 |
IV.MAGO.CHE. | 2021-09-18T05:17:15.49 | 0.6 | undecidable | manual | S | 306 | 36.1416 | 50 | -0.47 | 45 |
IV.CASP.HHZ. | 2021-09-18T05:17:15.12 | 0.3 | undecidable | manual | S | 201 | 34.6431 | 50 | -0.47 | 68 |
TV.SF11.HHZ. | 2021-09-18T05:17:14.70 | 0.3 | undecidable | manual | P | 114 | 58.497 | 50 | 0.41 | 66 |
IV.CSNT.HHZ. | 2021-09-18T05:17:13.57 | 0.3 | undecidable | manual | P | 27 | 48.5181 | 50 | 0.83 | 58 |
IV.ARCI.HHZ. | 2021-09-18T05:17:12.50 | 0.1 | undecidable | manual | P | 124 | 45.0216 | 50 | 0.31 | 92 |
IV.MAGO.CHE. | 2021-09-18T05:17:11.24 | 0.3 | undecidable | manual | P | 306 | 36.1416 | 50 | 0.41 | 69 |
IV.CASP.HHZ. | 2021-09-18T05:17:10.82 | 0.3 | undecidable | manual | P | 201 | 34.6431 | 50 | 0.21 | 72 |
IV.FROS.CHZ. | 2021-09-18T05:17:10.57 | 0.3 | undecidable | manual | S | 38 | 17.9709 | 121 | -0.5 | 70 |
IV.FROS.CHZ. | 2021-09-18T05:17:08.15 | 0.1 | undecidable | manual | P | 38 | 17.9709 | 121 | 0.15 | 100 |
IV.TRIF.CHZ. | 2021-09-18T05:17:08.57 | 0.3 | undecidable | manual | S | 291 | 10.0788 | 137 | -0.37 | 73 |
IV.TRIF.CHZ. | 2021-09-18T05:17:06.98 | 0.1 | negative | manual | P | 291 | 10.0788 | 137 | 0.21 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.TRIF.CHN. | ML:1.4 | 0.00030068660000000003 | 0.096 | AML | other | m | 2021-09-18T05:17:08.62 |
IV.TRIF.CHE. | ML:1.4 | 0.00033325435 | 0.128 | AML | other | m | 2021-09-18T05:17:09.03 |
IV.FROS.CHE. | ML:1.6 | 0.00028071950000000003 | 0.1856 | AML | other | m | 2021-09-18T05:17:10.90 |
IV.FROS.CHN. | ML:1.7 | 0.0003864537 | 0.1504 | AML | other | m | 2021-09-18T05:17:10.92 |
IV.CASP.HHN. | ML:1.4 | 0.000095367595 | 0.16 | AML | other | m | 2021-09-18T05:17:15.32 |
IV.CASP.HNN. | ML:1.6 | 0.000159524325 | 0.08 | AML | other | m | 2021-09-18T05:17:15.40 |
IV.CASP.HHE. | ML:1.4 | 0.00009649851 | 0.08 | AML | other | m | 2021-09-18T05:17:15.44 |
IV.CASP.HNE. | ML:1.5 | 0.00011788292 | 0.0896 | AML | other | m | 2021-09-18T05:17:15.45 |
IV.ARCI.HHE. | ML:1.1 | 0.000037613985 | 0.1408 | AML | other | m | 2021-09-18T05:17:17.75 |
IV.ARCI.HNN. | ML:1.3 | 0.000055754385 | 0.6624 | AML | other | m | 2021-09-18T05:17:17.76 |
IV.ARCI.HHN. | ML:1.1 | 0.000040996405 | 0.1184 | AML | other | m | 2021-09-18T05:17:17.76 |
IV.ARCI.HNE. | ML:1.1 | 0.00003763594 | 0.7808 | AML | other | m | 2021-09-18T05:17:28.35 |