A magnitude ML 1.2 earthquake occured in region: 7 km NE Massa Marittima (GR), on
and geographic coordinates (lat, lon) 43.1060, 10.9270 at 5 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 |
---|---|---|---|---|
Massa Marittima | GR | 7 | 8375 | 8375 |
Monterotondo Marittimo | GR | 7 | 1371 | 9746 |
Montieri | GR | 8 | 1204 | 10950 |
Castelnuovo di Val di Cecina | PI | 11 | 2231 | 13181 |
Chiusdino | SI | 14 | 1903 | 15084 |
Monteverdi Marittimo | PI | 19 | 758 | 15842 |
Radicondoli | SI | 20 | 914 | 16756 |
Gavorrano | GR | 20 | 8580 | 25336 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.2 | 2023-04-01 10:35:16 |
43.106 | 10.9273 | 5 | 2024-03-01 17:18:19 |
Bollettino Sismico Italiano INGV | 124633511 |
Reviewed Rev100 |
ML 1.2 | 2023-04-01 10:35:16 |
43.1112 | 10.9318 | 5 | 2023-04-01 10:47:19 |
Sala Sismica INGV-Roma | 115941321 |
Field | Value |
---|---|
Time (UTC) | 2023-04-01 10:35:16 ± 0.26 |
Latitude | 43.1060 ± 0.0090 |
Longitude | 10.9273 ± 0.0172 |
Depth (km) | 5 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 124633511 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1414 |
Semi-minor axis of confidence ellipse (meter) | 773 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 296 |
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) | 122 |
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) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.47394 |
Number of stations at which the event was observed | 19 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.2 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 115941321 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-04-01 10:47:19 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.2 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 124633511 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2024-01-14 00:09:09 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SGO.HHZ. | 2023-04-01T10:37:00.70 | 3.0 | undecidable | manual | Sn | -8.13 | 0 | |||
IV.ALJA.HHZ. | 2023-04-01T10:36:56.32 | 3.0 | undecidable | manual | Pg | 18.26 | 0 | |||
1J.FX14.HHZ.00 | 2023-04-01T10:36:42.69 | 3.0 | negative | manual | Pn | -2.95 | 0 | |||
IV.LPEL.HHZ. | 2023-04-01T10:36:39.15 | 3.0 | undecidable | manual | Sg | 10.37 | 0 | |||
IV.IACL.HHZ. | 2023-04-01T10:36:30.02 | 3.0 | positive | manual | Pn | -0.43 | 0 | |||
IV.VARE.HHZ. | 2023-04-01T10:36:14.44 | 3.0 | undecidable | manual | Sn | 0.17 | 0 | |||
IV.MCRV.HHZ. | 2023-04-01T10:36:12.05 | 3.0 | undecidable | manual | Pn | 2.58 | 0 | |||
IV.SGO.HHZ. | 2023-04-01T10:36:12.08 | 3.0 | positive | manual | Pn | -0.61 | 0 | |||
IV.CAMP.HHZ. | 2023-04-01T10:36:10.88 | 3.0 | undecidable | manual | Sg | 0.53 | 0 | |||
OT.OT17.EHZ. | 2023-04-01T10:36:04.82 | 3.0 | negative | manual | Pn | 1.95 | 0 | |||
GU.RNCA.HHZ. | 2023-04-01T10:35:54.88 | 3.0 | undecidable | manual | Sg | 3.95 | 0 | |||
IV.VARE.HHZ. | 2023-04-01T10:35:41.01 | 3.0 | undecidable | manual | Pn | -1.03 | 0 | |||
IV.ROVR.HNZ. | 2023-04-01T10:35:32.88 | 3.0 | undecidable | manual | Pg | 1 | 0 | |||
IV.CASP.HHE. | 2023-04-01T10:35:27.80 | 0.6 | undecidable | manual | S | 188 | 35.3424 | 99 | -0.94 | 36 |
IV.ARCI.HHN. | 2023-04-01T10:35:26.63 | 0.3 | undecidable | manual | P | 122 | 52.6029 | 50 | 0.04 | 69 |
IV.ZEN8.EHZ. | 2023-04-01T10:35:25.95 | 3.0 | undecidable | manual | Pn | -5.81 | 0 | |||
IV.RIBO.EHZ. | 2023-04-01T10:35:23.72 | 0.6 | undecidable | manual | S | 151 | 19.9689 | 105 | 0.22 | 47 |
IV.FROS.CHZ. | 2023-04-01T10:35:23.84 | 0.6 | undecidable | manual | S | 58 | 21.7671 | 104 | -0.29 | 46 |
IV.CASP.HHE. | 2023-04-01T10:35:23.75 | 0.3 | undecidable | manual | P | 188 | 35.3424 | 99 | 0.25 | 68 |
IV.RIBO.EHZ. | 2023-04-01T10:35:20.68 | 0.3 | undecidable | manual | P | 151 | 19.9689 | 105 | 0.21 | 70 |
IV.FROS.CHZ. | 2023-04-01T10:35:20.81 | 0.3 | undecidable | manual | P | 58 | 21.7671 | 104 | -0.03 | 73 |
IV.TRIF.CHZ. | 2023-04-01T10:35:18.39 | 0.3 | undecidable | manual | S | 296 | 2.1978 | 158 | 0.02 | 75 |
IV.TRIF.CHZ. | 2023-04-01T10:35:17.54 | 0.1 | negative | manual | P | 296 | 2.1978 | 158 | 0.03 | 100 |
IV.IMOL.HNZ. | 2023-04-01T10:35:15.63 | 3.0 | positive | manual | P | -0.97 | 0 | |||
GU.GSCL.HHZ. | 2023-04-01T10:35:13.33 | 3.0 | undecidable | manual | P | 1.98 | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.RIBO.EHE.01 | ML:1.3 | 0.00015220338499999999 | 0.256 | AML | other | m | 2023-04-01T10:35:20.67 |
IV.RIBO.EHN.01 | ML:1.4 | 0.000181662 | 0.1408 | AML | other | m | 2023-04-01T10:35:20.77 |
IV.CSNT.HHN. | ML:1.0 | 0.000022845045000000002 | 1.0368 | AML | other | m | 2023-04-01T10:35:22.94 |
IV.CSNT.HHE. | ML:1.2 | 0.000040968845 | 0.2976 | AML | other | m | 2023-04-01T10:35:35.19 |