A magnitude ML 0.4 earthquake occured in region: 1 km E Montieri (GR), on
and geographic coordinates (lat, lon) 43.1320, 11.0330 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 |
Monterotondo Marittimo | GR | 14 | 1371 | 8280 |
Radicondoli | SI | 15 | 914 | 9194 |
Massa Marittima | GR | 15 | 8375 | 17569 |
Roccastrada | GR | 17 | 9199 | 26768 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.4 | 2021-10-17 19:47:11 |
43.1323 | 11.033 | 9 | 2022-03-30 13:04:15 |
Bollettino Sismico Italiano INGV | 97342851 |
Reviewed Rev100 |
ML 0.4 | 2021-10-17 19:47:11 |
43.1318 | 11.0338 | 9 | 2021-10-17 19:58:13 |
Sala Sismica INGV-Roma | 96694601 |
Field | Value |
---|---|
Time (UTC) | 2021-10-17 19:47:11 ± 0.22 |
Latitude | 43.1323 ± 0.0099 |
Longitude | 11.0330 ± 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 | 97342851 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1181 |
Semi-minor axis of confidence ellipse (meter) | 737 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 310 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1180.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 149 |
Number of associated phases, regardless of their use for origin computation | 22 |
Number of defining phases | 8 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.37 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.42808 |
Number of stations at which the event was observed | 18 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 0.4 |
Uncertainty | 0.2 |
Num. used stations | 5 |
Type of magnitude | ML |
Reference to an origin | 96694601 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-17 19:58:13 |
Field | Value |
---|---|
Value | 0.4 |
Uncertainty | 0.2 |
Num. used stations | 5 |
Type of magnitude | ML |
Reference to an origin | 97342851 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-11-08 15:10:17 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
OT.OT17.EHZ. | 2021-10-17T19:49:08.14 | 3.0 | undecidable | manual | Sg | 14.3 | 0 | |||
CR.ZAG.BHZ. | 2021-10-17T19:49:05.82 | 3.0 | undecidable | manual | Sn | -2.1 | 0 | |||
IV.RESU.HHZ. | 2021-10-17T19:48:36.80 | 3.0 | positive | manual | Pn | -3.55 | 0 | |||
MN.BLY.HHZ. | 2021-10-17T19:48:33.14 | 3.0 | negative | manual | Pg | 13.41 | 0 | |||
IV.LRP.EHZ. | 2021-10-17T19:48:22.19 | 3.0 | undecidable | manual | Sn | -5.29 | 0 | |||
IV.VENL.EHZ. | 2021-10-17T19:48:15.65 | 3.0 | undecidable | manual | Sn | 0.45 | 0 | |||
IV.MRB1.HHZ. | 2021-10-17T19:48:13.65 | 3.0 | positive | manual | Pg | 6.42 | 0 | |||
RF.GEPF.HHZ. | 2021-10-17T19:48:10.65 | 3.0 | undecidable | manual | Pg | 12.05 | 0 | |||
SL.LJU.BHZ. | 2021-10-17T19:48:10.42 | 3.0 | negative | manual | Pn | 5.65 | 0 | |||
IV.ARVD.HHZ. | 2021-10-17T19:48:00.39 | 3.0 | undecidable | manual | Sg | 1.46 | 0 | |||
IV.SFI.EHZ. | 2021-10-17T19:47:38.34 | 3.0 | undecidable | manual | S | -2.16 | 0 | |||
IV.FOSV.EHZ. | 2021-10-17T19:47:36.16 | 3.0 | negative | manual | Pg | 2.22 | 0 | |||
IV.ARCI.HNN. | 2021-10-17T19:47:26.37 | 0.3 | undecidable | manual | S | 131 | 47.5191 | 50 | -0.48 | 66 |
IV.CAFI.HHZ. | 2021-10-17T19:47:24.11 | 3.0 | undecidable | manual | P | -0.91 | 0 | |||
IV.ARCI.HNN. | 2021-10-17T19:47:20.43 | 0.1 | undecidable | manual | P | 131 | 47.5191 | 50 | 0.19 | 93 |
IV.RIBO.EHZ.01 | 2021-10-17T19:47:18.80 | 0.1 | undecidable | manual | S | 177 | 20.3685 | 113 | -0.1 | 100 |
IV.RIBO.EHZ.01 | 2021-10-17T19:47:16.03 | 0.1 | undecidable | manual | P | 177 | 20.3685 | 113 | 0.38 | 94 |
IV.FROS.CHZ. | 2021-10-17T19:47:16.48 | 0.1 | undecidable | manual | S | 49 | 13.1757 | 124 | -0.21 | 99 |
IV.TRIF.CHZ. | 2021-10-17T19:47:15.69 | 0.1 | undecidable | manual | S | 260 | 10.7781 | 129 | -0.33 | 97 |
IV.TRIF.CHZ. | 2021-10-17T19:47:14.15 | 0.1 | undecidable | manual | P | 260 | 10.7781 | 129 | 0.17 | 100 |
IV.FROS.CHZ. | 2021-10-17T19:47:14.61 | 0.1 | undecidable | manual | P | 49 | 13.1757 | 124 | 0.24 | 98 |
IV.OSSC.HHZ. | 2021-10-17T19:47:10.73 | 3.0 | undecidable | manual | P | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.TRIF.CHN. | ML:0.6 | 0.000050577765 | 0.1024 | AML | other | m | 2021-10-17T19:47:15.86 |
IV.TRIF.CHE. | ML:0.5 | 0.00003773818 | 0.0768 | AML | other | m | 2021-10-17T19:47:15.87 |
IV.FROS.CHE. | ML:0.2 | 0.000018294281499999998 | 0.1536 | AML | other | m | 2021-10-17T19:47:16.59 |
IV.FROS.CHN. | ML:0.2 | 0.00001982151 | 0.128 | AML | other | m | 2021-10-17T19:47:17.12 |
IV.RIBO.EHE.01 | ML:0.3 | 0.00001712942 | 0.1664 | AML | other | m | 2021-10-17T19:47:18.89 |