A magnitude ML 1.3 earthquake occured in region: 1 km E Montieri (GR), on
and geographic coordinates (lat, lon) 43.1270, 11.0290 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 | 1 | 1204 | 1204 |
Chiusdino | SI | 6 | 1903 | 3107 |
Monticiano | SI | 12 | 1571 | 4678 |
Castelnuovo di Val di Cecina | PI | 13 | 2231 | 6909 |
Massa Marittima | GR | 14 | 8375 | 15284 |
Monterotondo Marittimo | GR | 14 | 1371 | 16655 |
Radicondoli | SI | 15 | 914 | 17569 |
Roccastrada | GR | 17 | 9199 | 26768 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.3 | 2021-01-21 08:22:26 |
43.1268 | 11.029 | 9 | 2021-01-21 08:30:08 |
Sala Sismica INGV-Roma | 86425401 |
Field | Value |
---|---|
Time (UTC) | 2021-01-21 08:22:26 ± 0.17 |
Latitude | 43.1268 ± 0.0090 |
Longitude | 11.0290 ± 0.0160 |
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 | 86425401 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1413 |
Semi-minor axis of confidence ellipse (meter) | 478 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 303 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1410.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 128 |
Number of associated phases, regardless of their use for origin computation | 25 |
Number of defining phases | 9 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.42 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.70687 |
Number of stations at which the event was observed | 20 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.3 |
Num. used stations | 7 |
Type of magnitude | ML |
Reference to an origin | 86425401 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-01-21 08:30:08 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MCRV.HHZ. | 2021-01-21T08:24:09.84 | 3.0 | undecidable | manual | Sn | 0.9 | 0 | |||
IV.TREM.HHZ. | 2021-01-21T08:23:56.31 | 3.0 | undecidable | manual | Sn | -0.46 | 0 | |||
IV.STAL.HNZ. | 2021-01-21T08:23:49.03 | 3.0 | undecidable | manual | Sg | 9.05 | 0 | |||
IT.GLNS.HNZ. | 2021-01-21T08:23:22.86 | 3.0 | undecidable | manual | Pg | 13.88 | 0 | |||
SL.BOJS.BHZ. | 2021-01-21T08:23:21.32 | 3.0 | positive | manual | Pn | 7.94 | 0 | |||
IT.MCLF.HNZ. | 2021-01-21T08:23:20.35 | 3.0 | undecidable | manual | Pg | 12.02 | 0 | |||
IV.SENA.HHZ. | 2021-01-21T08:23:10.12 | 3.0 | undecidable | manual | Pg | 4.66 | 0 | |||
IV.NDIM.HNZ. | 2021-01-21T08:23:01.23 | 3.0 | undecidable | manual | Sg | 1.89 | 0 | |||
ST.CARE.EHZ. | 2021-01-21T08:22:58.24 | 3.0 | undecidable | manual | Pn | -3.15 | 0 | |||
IV.ARRO.EHZ. | 2021-01-21T08:22:54.82 | 3.0 | undecidable | manual | Pg | 9.03 | 0 | |||
IV.BRSN.HNZ. | 2021-01-21T08:22:54.00 | 3.0 | undecidable | manual | Sn | -2.1 | 0 | |||
IT.FIE.HGZ. | 2021-01-21T08:22:43.60 | 3.0 | undecidable | manual | S | 16 | 78.4659 | 50 | -6.62 | 0 |
IV.FIR.HHZ. | 2021-01-21T08:22:42.63 | 3.0 | undecidable | manual | Sg | 2.35 | 0 | |||
IV.APEC.HHZ. | 2021-01-21T08:22:41.76 | 3.0 | negative | manual | Pg | 2.9 | 0 | |||
IT.FIE.HGZ. | 2021-01-21T08:22:40.33 | 0.1 | undecidable | manual | P | 16 | 78.4659 | 50 | 0.22 | 86 |
IV.CPGN.EHZ. | 2021-01-21T08:22:40.82 | 3.0 | undecidable | manual | P | 2.46 | 0 | |||
IV.CSNT.HHZ. | 2021-01-21T08:22:39.82 | 3.0 | undecidable | manual | S | 0.34 | 0 | |||
IV.CASP.HHZ. | 2021-01-21T08:22:39.20 | 0.1 | undecidable | manual | S | 200 | 39.627 | 50 | -0.65 | 82 |
IV.CASP.HHZ. | 2021-01-21T08:22:34.48 | 0.1 | undecidable | manual | P | 200 | 39.627 | 50 | 0.35 | 89 |
IV.RIBO.EHZ.01 | 2021-01-21T08:22:33.80 | 0.3 | undecidable | manual | S | 176 | 19.7691 | 114 | -0.02 | 74 |
IV.RIBO.EHZ.01 | 2021-01-21T08:22:31.02 | 0.1 | undecidable | manual | P | 176 | 19.7691 | 114 | 0.37 | 92 |
IV.FROS.CHZ. | 2021-01-21T08:22:31.50 | 0.3 | undecidable | manual | S | 48 | 13.7751 | 122 | -0.48 | 68 |
IV.TRIF.CHZ. | 2021-01-21T08:22:30.70 | 0.3 | undecidable | manual | S | 263 | 10.2786 | 130 | -0.31 | 71 |
IV.TRIF.CHZ. | 2021-01-21T08:22:29.25 | 0.1 | negative | manual | P | 263 | 10.2786 | 130 | 0.23 | 97 |
IV.FROS.CHZ. | 2021-01-21T08:22:29.62 | 0.1 | positive | manual | P | 48 | 13.7751 | 122 | 0.03 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.TRIF.CHN. | ML:0.0 | 0.00074889965 | 0.0832 | AML | other | m | 2021-01-21T08:22:31.16 |
IV.TRIF.CHE. | ML:0.0 | 0.0006922286 | 0.1152 | AML | other | m | 2021-01-21T08:22:31.12 |
IV.FROS.CHN. | ML:0.0 | 0.00021699230000000002 | 0.192 | AML | other | m | 2021-01-21T08:22:31.75 |
IV.FROS.CHE. | ML:0.0 | 0.00013600414999999998 | 0.2176 | AML | other | m | 2021-01-21T08:22:31.54 |
IV.RIBO.EHE.01 | ML:1.2 | 0.00013116863 | 0.1408 | AML | other | m | 2021-01-21T08:22:34.30 |
IV.CASP.HHN. | ML:1.3 | 0.00007224085500000001 | 0.1024 | AML | other | m | 2021-01-21T08:22:39.71 |
IV.CASP.HHE. | ML:1.1 | 0.00004090372000000001 | 0.096 | AML | other | m | 2021-01-21T08:22:39.74 |