A magnitude ML 1.4 earthquake occured in region: 6 km S Montieri (GR), on
and geographic coordinates (lat, lon) 43.0770, 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 | 18 | 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 05:21:55 |
43.0772 | 11.0278 | 10 | 2022-03-30 13:04:39 |
Bollettino Sismico Italiano INGV | 101585761 |
Reviewed Rev100 |
ML 1.3 | 2021-09-18 05:21:55 |
43.0475 | 11.0482 | 3 | 2021-09-18 05:31:06 |
Sala Sismica INGV-Roma | 95571941 |
Field | Value |
---|---|
Time (UTC) | 2021-09-18 05:21:55 ± 0.13 |
Latitude | 43.0772 ± 0.0072 |
Longitude | 11.0278 ± 0.0111 |
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 | 101585761 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 868 |
Semi-minor axis of confidence ellipse (meter) | 688 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 300 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 870.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 89 |
Number of associated phases, regardless of their use for origin computation | 16 |
Number of defining phases | 16 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.4 |
Epicentral distance of station closest to the epicenter (degree) | 0.09893 |
Epicentral distance of station farthest from the epicenter (degree) | 0.68348 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.2 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 101585761 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2022-03-01 15:03:38 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.2 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 95571941 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-18 05:31:06 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CELB.HHZ. | 2021-09-18T05:22:18.82 | 0.6 | undecidable | manual | S | 241 | 75.8685 | 50 | 0.01 | 46 |
IV.OSSC.HHE. | 2021-09-18T05:22:12.60 | 0.6 | undecidable | manual | S | 19 | 52.503 | 50 | 0.01 | 48 |
IV.CELB.HHZ. | 2021-09-18T05:22:10.15 | 0.3 | undecidable | manual | P | 241 | 75.8685 | 50 | 1.04 | 50 |
IV.ARCI.HHZ. | 2021-09-18T05:22:09.65 | 0.3 | undecidable | manual | S | 124 | 44.1225 | 50 | -0.68 | 62 |
IV.MAGO.CHE. | 2021-09-18T05:22:07.60 | 0.6 | undecidable | manual | S | 306 | 37.0296 | 50 | -0.84 | 39 |
IV.CASP.HHZ. | 2021-09-18T05:22:07.13 | 0.3 | undecidable | manual | S | 203 | 34.4433 | 50 | -0.62 | 64 |
IV.OSSC.HHE. | 2021-09-18T05:22:06.04 | 0.3 | undecidable | manual | P | 19 | 52.503 | 50 | 0.52 | 65 |
IV.ARCI.HHZ. | 2021-09-18T05:22:04.53 | 0.1 | undecidable | manual | P | 124 | 44.1225 | 50 | 0.31 | 92 |
IV.MAGO.CHE. | 2021-09-18T05:22:03.23 | 0.3 | undecidable | manual | P | 306 | 37.0296 | 50 | 0.11 | 73 |
IV.CASP.HHZ. | 2021-09-18T05:22:02.86 | 0.3 | undecidable | manual | P | 203 | 34.4433 | 50 | 0.14 | 73 |
IV.FROS.CHZ. | 2021-09-18T05:22:02.55 | 0.3 | undecidable | manual | S | 35 | 17.9709 | 119 | -0.45 | 70 |
IV.RIBO.EHE.01 | 2021-09-18T05:22:01.74 | 0.6 | undecidable | manual | S | 174 | 14.2746 | 125 | -0.16 | 50 |
IV.TRIF.CHZ. | 2021-09-18T05:22:00.54 | 0.3 | undecidable | manual | S | 292 | 10.9779 | 132 | -0.46 | 71 |
IV.FROS.CHZ. | 2021-09-18T05:22:00.13 | 0.1 | undecidable | manual | P | 35 | 17.9709 | 119 | 0.15 | 99 |
IV.TRIF.CHZ. | 2021-09-18T05:21:59.01 | 0.1 | negative | manual | P | 292 | 10.9779 | 132 | 0.18 | 100 |
IV.RIBO.EHE.01 | 2021-09-18T05:21:59.63 | 0.3 | undecidable | manual | P | 174 | 14.2746 | 125 | 0.28 | 73 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.TRIF.CHN. | ML:1.3 | 0.0002275012 | 0.0864 | AML | other | m | 2021-09-18T05:22:00.64 |
IV.TRIF.CHE. | ML:1.4 | 0.00031137125 | 0.0544 | AML | other | m | 2021-09-18T05:22:00.96 |
IV.FROS.CHE. | ML:1.4 | 0.0002181983 | 1.8176 | AML | other | m | 2021-09-18T05:22:03.94 |
IV.FROS.CHN. | ML:1.6 | 0.00033349655 | 1.8304 | AML | other | m | 2021-09-18T05:22:03.95 |
IV.ARCI.HNE. | ML:1.2 | 0.000045454621 | 0.5888 | AML | other | m | 2021-09-18T05:22:06.35 |
IV.CASP.HHE. | ML:1.4 | 0.00010535 | 0.22 | AML | other | m | 2021-09-18T05:22:07.47 |
IV.CASP.HHN. | ML:1.5 | 0.00013000000000000002 | 0.24 | AML | other | m | 2021-09-18T05:22:07.42 |
IV.CASP.HNN. | ML:1.7 | 0.00019036704999999998 | 0.2528 | AML | other | m | 2021-09-18T05:22:07.42 |
IV.CELB.HHE. | ML:1.2 | 0.000026540004999999997 | 0.8416 | AML | other | m | 2021-09-18T05:22:09.71 |
IV.ARCI.HHE. | ML:1.1 | 0.0000373132425 | 0.16 | AML | other | m | 2021-09-18T05:22:09.87 |
IV.ARCI.HHN. | ML:1.2 | 0.00004495 | 0.12 | AML | other | m | 2021-09-18T05:22:09.80 |
IV.ARCI.HNN. | ML:1.1 | 0.000038783675000000004 | 0.1088 | AML | other | m | 2021-09-18T05:22:09.81 |
IV.CASP.HNE. | ML:1.5 | 0.00013279642 | 0.7104 | AML | other | m | 2021-09-18T05:22:15.37 |
IV.CELB.HHN. | ML:1.8 | 0.00009065387 | 0.6016 | AML | other | m | 2021-09-18T05:22:35.99 |