A magnitude ML 1.2 earthquake occured in region: 2 km N Montieri (GR), on
and geographic coordinates (lat, lon) 43.1530, 11.0200 at 9 km depth.
The earthquake was located by: Sala Sismica INGV-Roma.
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 | 2 | 1204 | 1204 |
Chiusdino | SI | 6 | 1903 | 3107 |
Castelnuovo di Val di Cecina | PI | 11 | 2231 | 5338 |
Radicondoli | SI | 12 | 914 | 6252 |
Monterotondo Marittimo | GR | 13 | 1371 | 7623 |
Monticiano | SI | 13 | 1571 | 9194 |
Massa Marittima | GR | 16 | 8375 | 17569 |
Roccastrada | GR | 20 | 9199 | 26768 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2020-04-05 02:40:45 |
43.153 | 11.0195 | 9 | 2020-04-05 02:56:05 |
Sala Sismica INGV-Roma | 77900101 |
Field | Value |
---|---|
Time (UTC) | 2020-04-05 02:40:45 ± 0.18 |
Latitude | 43.1530 ± 0.0117 |
Longitude | 11.0195 ± 0.0148 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 77900101 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1392 |
Semi-minor axis of confidence ellipse (meter) | 909 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 133 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1390.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 114 |
Number of associated phases, regardless of their use for origin computation | 11 |
Number of defining phases | 11 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.48 |
Epicentral distance of station closest to the epicenter (degree) | 0.09353 |
Epicentral distance of station farthest from the epicenter (degree) | 0.71766 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 77900101 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-04-05 02:56:05 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CELB.HHZ. | 2020-04-05T02:41:09.85 | 0.1 | undecidable | manual | S | 236 | 79.6647 | 50 | 0.1 | 88 |
IV.CELB.HHZ. | 2020-04-05T02:41:00.54 | 0.6 | undecidable | manual | P | 236 | 79.6647 | 50 | 0.97 | 33 |
IV.MAGO.CHZ. | 2020-04-05T02:40:56.17 | 0.1 | undecidable | manual | S | 295 | 32.1456 | 50 | -0.89 | 75 |
IV.CSNT.HHZ. | 2020-04-05T02:40:53.96 | 0.6 | undecidable | manual | P | 32 | 41.7249 | 50 | 0.25 | 46 |
IV.RIBO.EHZ.01 | 2020-04-05T02:40:53.67 | 0.1 | undecidable | manual | S | 174 | 22.755 | 113 | -0.53 | 89 |
IV.MAGO.CHZ. | 2020-04-05T02:40:52.45 | 0.1 | positive | manual | P | 295 | 32.1456 | 50 | 0.21 | 94 |
IV.RIBO.EHZ.01 | 2020-04-05T02:40:50.88 | 0.6 | positive | manual | P | 174 | 22.755 | 113 | 0.29 | 47 |
IV.TRIF.CHZ. | 2020-04-05T02:40:50.44 | 0.1 | undecidable | manual | S | 246 | 10.3785 | 132 | -0.08 | 100 |
IV.FROS.CHZ. | 2020-04-05T02:40:50.83 | 0.1 | undecidable | manual | S | 60 | 12.6762 | 127 | -0.32 | 95 |
IV.FROS.CHZ. | 2020-04-05T02:40:49.12 | 0.1 | positive | manual | P | 60 | 12.6762 | 127 | 0.29 | 95 |
IV.TRIF.CHZ. | 2020-04-05T02:40:48.90 | 0.1 | positive | manual | P | 246 | 10.3785 | 132 | 0.43 | 93 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FROS.CHE. | ML:1.5 | 0.0003695 | 1.36 | AML | other | m | 2020-04-05T02:40:50.96 |
IV.TRIF.CHE. | ML:1.3 | 0.00028100000000000005 | 1.42 | AML | other | m | 2020-04-05T02:40:51.75 |
IV.TRIF.CHN. | ML:1.2 | 0.00021500000000000002 | 0.22 | AML | other | m | 2020-04-05T02:40:51.38 |
IV.FROS.CHN. | ML:1.3 | 0.0002325 | 0.16 | AML | other | m | 2020-04-05T02:40:51.50 |
IV.MAGO.CHN. | ML:0.9 | 0.00003594999999999999 | 0.12 | AML | other | m | 2020-04-05T02:40:56.49 |
IV.MAGO.CHE. | ML:0.8 | 0.0000288 | 0.74 | AML | other | m | 2020-04-05T02:40:57.76 |