A magnitude ML 0.5 earthquake occured in region: 7 km S Montieri (GR), on
and geographic coordinates (lat, lon) 43.0690, 11.0140 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 | 7 | 1204 | 1204 |
Massa Marittima | GR | 10 | 8375 | 9579 |
Chiusdino | SI | 12 | 1903 | 11482 |
Roccastrada | GR | 14 | 9199 | 20681 |
Monterotondo Marittimo | GR | 15 | 1371 | 22052 |
Monticiano | SI | 16 | 1571 | 23623 |
Castelnuovo di Val di Cecina | PI | 18 | 2231 | 25854 |
Gavorrano | GR | 18 | 8580 | 34434 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.5 | 2021-09-18 20:45:29 |
43.0687 | 11.014 | 10 | 2022-03-30 13:04:40 |
Bollettino Sismico Italiano INGV | 101588741 |
Reviewed Rev100 |
ML 0.4 | 2021-09-18 20:45:30 |
43.0445 | 10.9548 | 5 | 2021-09-18 21:07:06 |
Sala Sismica INGV-Roma | 95601301 |
Field | Value |
---|---|
Time (UTC) | 2021-09-18 20:45:29 ± 0.16 |
Latitude | 43.0687 ± 0.0099 |
Longitude | 11.0140 ± 0.0172 |
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 | 101588741 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1465 |
Semi-minor axis of confidence ellipse (meter) | 883 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 248 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1460.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 99 |
Number of associated phases, regardless of their use for origin computation | 24 |
Number of defining phases | 9 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.35 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.45146 |
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 | 0.5 |
Uncertainty | 0.2 |
Num. used stations | 5 |
Type of magnitude | ML |
Reference to an origin | 101588741 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2022-03-01 17:03:11 |
Field | Value |
---|---|
Value | 0.4 |
Uncertainty | 0.2 |
Num. used stations | 5 |
Type of magnitude | ML |
Reference to an origin | 95601301 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-18 21:07:06 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MPNC.HHZ. | 2021-09-18T20:46:56.43 | 3.0 | negative | manual | Pg | 14.35 | 0 | |||
GU.TRAV.HHZ. | 2021-09-18T20:46:51.08 | 3.0 | undecidable | manual | Sn | 1.81 | 0 | |||
IV.FVI.HHZ. | 2021-09-18T20:46:43.22 | 3.0 | undecidable | manual | Sg | 8.26 | 0 | |||
IV.AGLI.HHZ. | 2021-09-18T20:46:39.67 | 3.0 | undecidable | manual | Sn | -2.69 | 0 | |||
RF.GEPF.HHZ. | 2021-09-18T20:46:28.66 | 3.0 | undecidable | manual | Sn | -0.12 | 0 | |||
IV.MCRV.HHZ. | 2021-09-18T20:46:19.63 | 3.0 | undecidable | manual | Pg | 9.85 | 0 | |||
IV.PTRP.HHZ. | 2021-09-18T20:46:17.96 | 3.0 | undecidable | manual | Pn | -0.6 | 0 | |||
CR.STON.BHZ. | 2021-09-18T20:46:15.68 | 3.0 | undecidable | manual | Pn | -1.24 | 0 | |||
MN.TRI.HHZ. | 2021-09-18T20:46:01.41 | 3.0 | positive | manual | Pg | 9.51 | 0 | |||
IV.VAGA.HHZ. | 2021-09-18T20:45:54.96 | 3.0 | undecidable | manual | Pn | -2.05 | 0 | |||
IV.CESX.HHZ. | 2021-09-18T20:45:53.12 | 3.0 | undecidable | manual | Sg | 3.69 | 0 | |||
IV.SACS.HHZ. | 2021-09-18T20:45:46.30 | 3.0 | undecidable | manual | Sg | 4.58 | 0 | |||
IV.ARCI.HHZ. | 2021-09-18T20:45:42.92 | 0.3 | undecidable | manual | S | 123 | 44.5221 | 50 | -0.62 | 62 |
IV.CASP.HHZ. | 2021-09-18T20:45:40.28 | 0.6 | undecidable | manual | S | 201 | 33.1446 | 50 | -0.21 | 47 |
IV.OFFI.HHZ. | 2021-09-18T20:45:38.10 | 3.0 | positive | manual | Pn | -0.25 | 0 | |||
IV.CSNT.HHZ. | 2021-09-18T20:45:38.45 | 0.3 | undecidable | manual | P | 26 | 50.1165 | 50 | 0.17 | 69 |
IV.ARCI.HHZ. | 2021-09-18T20:45:37.64 | 0.3 | undecidable | manual | P | 123 | 44.5221 | 50 | 0.22 | 69 |
IV.CASP.HHZ. | 2021-09-18T20:45:35.95 | 0.3 | undecidable | manual | P | 201 | 33.1446 | 50 | 0.29 | 70 |
IV.RIBO.EHZ.01 | 2021-09-18T20:45:34.88 | 0.3 | undecidable | manual | S | 169 | 13.5753 | 128 | -0.1 | 75 |
IV.TRIF.CHZ. | 2021-09-18T20:45:33.67 | 0.3 | undecidable | manual | S | 300 | 10.3785 | 135 | -0.49 | 70 |
IV.TRIF.CHZ. | 2021-09-18T20:45:32.13 | 0.1 | undecidable | manual | P | 300 | 10.3785 | 135 | 0.13 | 100 |
IV.RIBO.EHZ.01 | 2021-09-18T20:45:32.76 | 0.1 | undecidable | manual | P | 169 | 13.5753 | 128 | 0.28 | 96 |
IV.OSSC.HHZ. | 2021-09-18T20:45:27.02 | 3.0 | undecidable | manual | P | 0.1 | 0 | |||
IV.BRSN.HNZ. | 2021-09-18T20:45:27.69 | 3.0 | positive | manual | P | 0.07 | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.TRIF.CHN. | ML:0.5 | 0.000037449999999999995 | 0.14 | AML | other | m | 2021-09-18T20:45:33.73 |
IV.TRIF.CHE. | ML:0.5 | 0.00003645821 | 0.1152 | AML | other | m | 2021-09-18T20:45:34.21 |
IV.RIBO.EHE.01 | ML:1.0 | 0.000108930495 | 0.2176 | AML | other | m | 2021-09-18T20:45:35.12 |
IV.CASP.HHN. | ML:0.4 | 0.0000091119055 | 0.6272 | AML | other | m | 2021-09-18T20:45:39.83 |
IV.CASP.HHE. | ML:0.4 | 0.000010590492999999999 | 0.8064 | AML | other | m | 2021-09-18T20:45:40.83 |