A magnitude ML 2.1 earthquake occured in region: 1 km NW Montieri (GR), on
and geographic coordinates (lat, lon) 43.1350, 11.0120 at 9 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 | 1 | 1204 | 1204 |
Chiusdino | SI | 7 | 1903 | 3107 |
Castelnuovo di Val di Cecina | PI | 12 | 2231 | 5338 |
Monterotondo Marittimo | GR | 13 | 1371 | 6709 |
Massa Marittima | GR | 14 | 8375 | 15084 |
Monticiano | SI | 14 | 1571 | 16655 |
Radicondoli | SI | 14 | 914 | 17569 |
Roccastrada | GR | 19 | 9199 | 26768 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 2.1 | 2021-05-17 06:33:44 |
43.1352 | 11.0125 | 9 | 2021-12-29 11:12:18 |
Bollettino Sismico Italiano INGV | 93863981 |
Reviewed Rev100 |
ML 2.2 | 2021-05-17 06:33:44 |
43.1373 | 11.0098 | 8 | 2021-05-17 06:47:12 |
Sala Sismica INGV-Roma | 90188201 |
Field | Value |
---|---|
Time (UTC) | 2021-05-17 06:33:44 ± 0.11 |
Latitude | 43.1352 ± 0.0054 |
Longitude | 11.0125 ± 0.0086 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 93863981 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 726 |
Semi-minor axis of confidence ellipse (meter) | 441 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 275 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 730.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 48 |
Number of associated phases, regardless of their use for origin computation | 25 |
Number of defining phases | 25 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.39 |
Epicentral distance of station closest to the epicenter (degree) | 0.08274 |
Epicentral distance of station farthest from the epicenter (degree) | 0.86874 |
Number of stations at which the event was observed | 15 |
Number of stations from which data was used for origin computation | 15 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | 0.4 |
Num. used stations | 22 |
Type of magnitude | ML |
Reference to an origin | 93863981 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-08-08 23:54:15 |
Field | Value |
---|---|
Value | 2.2 |
Uncertainty | 0.3 |
Num. used stations | 16 |
Type of magnitude | ML |
Reference to an origin | 90188201 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-05-17 06:47:12 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RUFI.EHZ. | 2021-05-17T06:34:11.01 | 0.3 | undecidable | manual | S | 27 | 87.6456 | 50 | 0.64 | 57 |
IV.PII.HHZ. | 2021-05-17T06:34:07.37 | 0.3 | undecidable | manual | S | 329 | 75.9684 | 50 | 0.1 | 67 |
IV.CRMI.HNN. | 2021-05-17T06:34:06.20 | 0.6 | undecidable | manual | S | 358 | 73.2711 | 50 | -0.34 | 43 |
IV.ASQU.HHZ. | 2021-05-17T06:34:01.17 | 0.3 | undecidable | manual | P | 40 | 96.4257 | 50 | 0.58 | 57 |
IV.ARCI.HHZ. | 2021-05-17T06:33:59.37 | 0.6 | undecidable | manual | S | 130 | 49.0176 | 50 | -0.68 | 40 |
IV.RUFI.EHZ. | 2021-05-17T06:33:59.66 | 0.3 | undecidable | manual | P | 27 | 87.6456 | 50 | 0.43 | 61 |
IV.CELB.HHZ. | 2021-05-17T06:33:58.70 | 0.3 | undecidable | manual | P | 237 | 78.0663 | 50 | 0.94 | 51 |
IV.CAFI.HHZ. | 2021-05-17T06:33:58.16 | 0.3 | undecidable | manual | P | 74 | 80.0643 | 50 | 0.1 | 66 |
IV.PII.HHZ. | 2021-05-17T06:33:58.20 | 0.3 | undecidable | manual | P | 329 | 75.9684 | 50 | 0.76 | 55 |
IV.CSNT.HHZ. | 2021-05-17T06:33:57.61 | 0.6 | undecidable | manual | S | 31 | 43.7229 | 50 | -1.02 | 35 |
IV.CRMI.HNN. | 2021-05-17T06:33:57.04 | 0.3 | undecidable | manual | P | 358 | 73.2711 | 50 | 0.01 | 68 |
IV.CASP.HHZ. | 2021-05-17T06:33:57.04 | 0.3 | undecidable | manual | S | 197 | 40.0266 | 50 | -0.62 | 62 |
IV.MCIV.CHZ. | 2021-05-17T06:33:56.33 | 0.3 | undecidable | manual | P | 126 | 66.8775 | 50 | 0.3 | 65 |
TV.SF04.EHZ. | 2021-05-17T06:33:55.56 | 0.1 | positive | manual | P | 122 | 62.1933 | 50 | 0.25 | 89 |
IV.MAGO.CHZ. | 2021-05-17T06:33:54.78 | 0.3 | undecidable | manual | S | 298 | 32.5452 | 50 | -0.87 | 57 |
IV.ARCI.HHZ. | 2021-05-17T06:33:53.33 | 0.1 | undecidable | manual | P | 130 | 49.0176 | 50 | 0.05 | 95 |
IV.CSNT.HHZ. | 2021-05-17T06:33:52.15 | 0.1 | positive | manual | P | 31 | 43.7229 | 50 | -0.31 | 91 |
IV.CASP.HHZ. | 2021-05-17T06:33:51.98 | 0.1 | undecidable | manual | P | 197 | 40.0266 | 50 | 0.08 | 96 |
IV.RIBO.EHZ. | 2021-05-17T06:33:51.61 | 0.3 | undecidable | manual | S | 172 | 20.868 | 113 | -0.26 | 71 |
IV.MAGO.CHZ. | 2021-05-17T06:33:50.42 | 0.1 | undecidable | manual | P | 298 | 32.5452 | 50 | -0.32 | 92 |
IV.FROS.CHZ. | 2021-05-17T06:33:49.28 | 0.3 | undecidable | manual | S | 55 | 14.2746 | 122 | -0.56 | 67 |
IV.RIBO.EHZ. | 2021-05-17T06:33:48.74 | 0.1 | undecidable | manual | P | 172 | 20.868 | 113 | 0.19 | 97 |
IV.TRIF.CHZ. | 2021-05-17T06:33:48.36 | 0.3 | undecidable | manual | S | 256 | 9.1797 | 134 | -0.08 | 76 |
IV.FROS.CHZ. | 2021-05-17T06:33:47.30 | 0.1 | positive | manual | P | 55 | 14.2746 | 122 | -0.08 | 100 |
IV.TRIF.CHZ. | 2021-05-17T06:33:46.78 | 0.1 | negative | manual | P | 256 | 9.1797 | 134 | 0.21 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.TRIF.CHN. | ML:3.1 | 0.016800000000000002 | 0.1 | AML | other | m | 2021-05-17T06:33:48.96 |
IV.TRIF.CHE. | ML:3.1 | 0.018600000000000002 | 0.2 | AML | other | m | 2021-05-17T06:33:49.07 |
IV.FROS.CHE. | ML:2.5 | 0.00337 | 1.82 | AML | other | m | 2021-05-17T06:33:50.08 |
IV.FROS.CHN. | ML:2.5 | 0.0036636319999999996 | 0.1024 | AML | other | m | 2021-05-17T06:33:50.02 |
IV.MAGO.CHN. | ML:2.2 | 0.00073 | 0.14 | AML | other | m | 2021-05-17T06:33:54.89 |
IV.MAGO.CHE. | ML:2.2 | 0.0006925 | 0.1 | AML | other | m | 2021-05-17T06:33:55.20 |
IV.MCIV.CHE. | ML:1.8 | 0.00012465 | 1 | AML | other | m | 2021-05-17T06:33:57.51 |
IV.CASP.HHN. | ML:2.4 | 0.00088 | 1.78 | AML | other | m | 2021-05-17T06:33:58.01 |
IV.CASP.HHE. | ML:2.3 | 0.00074 | 1.22 | AML | other | m | 2021-05-17T06:33:58.03 |
IV.CSNT.HHN. | ML:2.0 | 0.00029749999999999997 | 0.14 | AML | other | m | 2021-05-17T06:33:58.35 |
IV.CSNT.HHE. | ML:1.9 | 0.0002295 | 0.24 | AML | other | m | 2021-05-17T06:33:58.69 |
IV.ARCI.HHN. | ML:1.7 | 0.000127 | 0.28 | AML | other | m | 2021-05-17T06:34:00.58 |
IV.ARCI.HHE. | ML:1.9 | 0.00022700000000000002 | 1.06 | AML | other | m | 2021-05-17T06:34:02.76 |
TV.SF04.EHE. | ML:2.4 | 0.0004785 | 0.2 | AML | other | m | 2021-05-17T06:34:04.82 |
TV.SF04.EHN. | ML:2.3 | 0.000358 | 1.76 | AML | other | m | 2021-05-17T06:34:05.99 |
IV.MCIV.CHN. | ML:1.8 | 0.00009855 | 0.36 | AML | other | m | 2021-05-17T06:34:06.59 |
IV.RIBO.EHE.01 | ML:2.6 | 0.0028244505000000002 | 0.0992 | AML | other | m | 2021-05-17T06:33:53.86 |
IV.CAFI.HHE. | ML:1.3 | 0.00002472788 | 0.4 | AML | other | m | 2021-05-17T06:34:12.36 |
IV.CAFI.HHN. | ML:1.3 | 0.00002406754 | 0.4384 | AML | other | m | 2021-05-17T06:34:12.22 |
IV.PII.HHN. | ML:1.8 | 0.00009574865499999999 | 0.2208 | AML | other | m | 2021-05-17T06:34:08.66 |
IV.PII.HHE. | ML:1.7 | 0.00008216818 | 0.2176 | AML | other | m | 2021-05-17T06:34:08.96 |
IV.RUFI.EHE. | ML:1.7 | 0.00006106391649999999 | 0.2368 | AML | other | m | 2021-05-17T06:34:11.32 |