A magnitude ML 1.7 earthquake occured in region: 1 km NE Montieri (GR), on
and geographic coordinates (lat, lon) 43.1380, 11.0280 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 | 5 | 1903 | 3107 |
Monticiano | SI | 12 | 1571 | 4678 |
Castelnuovo di Val di Cecina | PI | 13 | 2231 | 6909 |
Radicondoli | SI | 14 | 914 | 7823 |
Monterotondo Marittimo | GR | 14 | 1371 | 9194 |
Massa Marittima | GR | 15 | 8375 | 17569 |
Roccastrada | GR | 18 | 9199 | 26768 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.7 | 2020-05-16 02:45:35 |
43.1382 | 11.0283 | 9 | 2020-11-19 12:36:56 |
Bollettino Sismico Italiano INGV | 81736641 |
Reviewed Rev100 |
ML 1.7 | 2020-05-16 02:45:35 |
43.1425 | 11.0192 | 9 | 2020-05-16 02:52:20 |
Sala Sismica INGV-Roma | 79185121 |
Field | Value |
---|---|
Time (UTC) | 2020-05-16 02:45:35 ± 0.15 |
Latitude | 43.1382 ± 0.0090 |
Longitude | 11.0283 ± 0.0136 |
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 | 81736641 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1140 |
Semi-minor axis of confidence ellipse (meter) | 795 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 305 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1140.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 134 |
Number of associated phases, regardless of their use for origin computation | 19 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.45 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.71496 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.3 |
Num. used stations | 16 |
Type of magnitude | ML |
Reference to an origin | 79185121 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-05-16 02:52:20 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.3 |
Num. used stations | 16 |
Type of magnitude | ML |
Reference to an origin | 81736641 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-08-07 12:53:23 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.NDIM.HHZ. | 2020-05-16T02:46:26.42 | 3.0 | undecidable | manual | Sn | -3.22 | 0 | |||
TV.SF01.EHZ. | 2020-05-16T02:45:54.33 | 0.6 | undecidable | manual | S | 130 | 56.499 | 50 | 0.63 | 40 |
TV.SF04.EHZ. | 2020-05-16T02:45:54.00 | 0.6 | undecidable | manual | S | 123 | 61.2942 | 50 | -0.97 | 34 |
IV.ARCI.HHZ. | 2020-05-16T02:45:50.86 | 0.3 | undecidable | manual | S | 131 | 48.2184 | 50 | -0.62 | 61 |
IV.MAON.HHZ. | 2020-05-16T02:45:50.40 | 0.1 | undecidable | manual | P | 174 | 79.1652 | 50 | 0.8 | 71 |
IV.CELB.HHZ. | 2020-05-16T02:45:50.47 | 0.1 | undecidable | manual | P | 237 | 79.365 | 50 | 0.85 | 70 |
IV.CSNT.HHZ. | 2020-05-16T02:45:49.41 | 0.3 | undecidable | manual | S | 30 | 42.7239 | 50 | -0.62 | 62 |
IV.CASP.HHZ. | 2020-05-16T02:45:48.66 | 0.1 | undecidable | manual | S | 199 | 40.7259 | 50 | -0.83 | 76 |
TV.SF04.EHZ. | 2020-05-16T02:45:47.26 | 0.1 | undecidable | manual | P | 123 | 61.2942 | 50 | 0.42 | 85 |
TV.SF01.EHZ. | 2020-05-16T02:45:46.36 | 0.1 | undecidable | manual | P | 130 | 56.499 | 50 | 0.25 | 88 |
IV.ARCI.HHZ. | 2020-05-16T02:45:45.03 | 0.1 | undecidable | manual | P | 131 | 48.2184 | 50 | 0.2 | 91 |
IV.CSNT.HHZ. | 2020-05-16T02:45:43.90 | 0.1 | undecidable | manual | P | 30 | 42.7239 | 50 | -0.09 | 94 |
IV.RIBO.EHZ.01 | 2020-05-16T02:45:43.39 | 0.3 | undecidable | manual | S | 176 | 21.0678 | 114 | -0.31 | 70 |
IV.CASP.HHZ. | 2020-05-16T02:45:43.63 | 0.1 | undecidable | manual | P | 199 | 40.7259 | 50 | -0.05 | 95 |
IV.FROS.CHZ. | 2020-05-16T02:45:41.10 | 0.3 | undecidable | manual | S | 52 | 13.0758 | 125 | -0.17 | 73 |
IV.RIBO.EHZ.01 | 2020-05-16T02:45:40.41 | 0.1 | undecidable | manual | P | 176 | 21.0678 | 114 | 0.08 | 98 |
IV.TRIF.CHZ. | 2020-05-16T02:45:40.09 | 0.3 | undecidable | manual | S | 256 | 10.4784 | 131 | -0.48 | 68 |
IV.FROS.CHZ. | 2020-05-16T02:45:39.14 | 0.1 | undecidable | manual | P | 52 | 13.0758 | 125 | 0.21 | 96 |
IV.TRIF.CHZ. | 2020-05-16T02:45:38.58 | 0.1 | undecidable | manual | P | 256 | 10.4784 | 131 | 0.05 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.TRIF.CHE. | ML:2.3 | 0.002485 | 0.12 | AML | other | m | 2020-05-16T02:45:40.39 |
IV.TRIF.CHN. | ML:2.2 | 0.0022249999999999995 | 0.1 | AML | other | m | 2020-05-16T02:45:40.42 |
IV.FROS.CHE. | ML:1.8 | 0.000728 | 0.62 | AML | other | m | 2020-05-16T02:45:41.18 |
IV.FROS.CHN. | ML:2.0 | 0.0010999999999999998 | 0.42 | AML | other | m | 2020-05-16T02:45:41.42 |
IV.CASP.HHN. | ML:2.0 | 0.00033499999999999996 | 1.68 | AML | other | m | 2020-05-16T02:45:48.85 |
IV.CASP.HHE. | ML:1.7 | 0.000168 | 0.42 | AML | other | m | 2020-05-16T02:45:49.25 |
IV.CSNT.HHE. | ML:1.4 | 0.00007905000000000001 | 1.52 | AML | other | m | 2020-05-16T02:45:49.81 |
IV.CSNT.HHN. | ML:1.3 | 0.0000671 | 0.16 | AML | other | m | 2020-05-16T02:45:49.76 |
IV.ARCI.HHN. | ML:1.4 | 0.00007280000000000001 | 0.14 | AML | other | m | 2020-05-16T02:45:51.81 |
IV.ARCI.HHE. | ML:1.2 | 0.0000452 | 0.38 | AML | other | m | 2020-05-16T02:45:52.25 |
TV.SF01.EHN. | ML:1.7 | 0.0001197 | 0.18 | AML | other | m | 2020-05-16T02:45:54.69 |
TV.SF01.EHE. | ML:1.9 | 0.00015900000000000002 | 0.36 | AML | other | m | 2020-05-16T02:45:54.68 |
TV.SF04.EHE. | ML:1.8 | 0.0001378 | 0.18 | AML | other | m | 2020-05-16T02:45:56.16 |
TV.SF04.EHN. | ML:1.6 | 0.00009180000000000001 | 0.28 | AML | other | m | 2020-05-16T02:45:56.24 |
IV.MAON.HHE. | ML:1.7 | 0.00006875 | 0.56 | AML | other | m | 2020-05-16T02:46:02.01 |
IV.MAON.HHN. | ML:1.7 | 0.0000713 | 1 | AML | other | m | 2020-05-16T02:46:02.54 |