A magnitude ML 1.5 earthquake occured in region: 5 km NW Monterotondo Marittimo (GR), on
and geographic coordinates (lat, lon) 43.1720, 10.8090 at 8 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 |
---|---|---|---|---|
Monterotondo Marittimo | GR | 5 | 1371 | 1371 |
Monteverdi Marittimo | PI | 8 | 758 | 2129 |
Castelnuovo di Val di Cecina | PI | 9 | 2231 | 4360 |
Sassetta | LI | 14 | 514 | 4874 |
Suvereto | LI | 15 | 3072 | 7946 |
Massa Marittima | GR | 15 | 8375 | 16321 |
Pomarance | PI | 15 | 5897 | 22218 |
Castagneto Carducci | LI | 16 | 9010 | 31228 |
Montieri | GR | 18 | 1204 | 32432 |
Campiglia Marittima | LI | 20 | 13218 | 45650 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.5 | 2021-02-15 23:04:23 |
43.172 | 10.8092 | 8 | 2021-07-12 16:55:01 |
Bollettino Sismico Italiano INGV | 87965171 |
Reviewed Rev100 |
ML 1.6 | 2021-02-15 23:04:23 |
43.1668 | 10.8138 | 8 | 2021-02-15 23:16:42 |
Sala Sismica INGV-Roma | 87189791 |
Field | Value |
---|---|
Time (UTC) | 2021-02-15 23:04:23 ± 0.15 |
Latitude | 43.1720 ± 0.0081 |
Longitude | 10.8092 ± 0.0111 |
Depth (km) | 8 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 87965171 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 812 |
Semi-minor axis of confidence ellipse (meter) | 761 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 184 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 810.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 69 |
Number of associated phases, regardless of their use for origin computation | 17 |
Number of defining phases | 17 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.44 |
Epicentral distance of station closest to the epicenter (degree) | 0.08903 |
Epicentral distance of station farthest from the epicenter (degree) | 0.71586 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.3 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 87965171 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-03-18 16:27:05 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.3 |
Num. used stations | 11 |
Type of magnitude | ML |
Reference to an origin | 87189791 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-02-15 23:16:42 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CELB.HHZ. | 2021-02-15T23:04:44.16 | 0.3 | undecidable | manual | S | 226 | 67.7766 | 50 | -0.59 | 61 |
IV.CSNT.HHN. | 2021-02-15T23:04:39.57 | 0.3 | undecidable | manual | S | 49 | 51.2154 | 50 | -0.77 | 58 |
TV.SF04.EHZ. | 2021-02-15T23:04:38.32 | 0.1 | undecidable | manual | P | 118 | 78.4659 | 50 | 0.93 | 69 |
Z3.A317A.HHZ. | 2021-02-15T23:04:38.63 | 0.3 | undecidable | manual | P | 261 | 79.4649 | 50 | 1.1 | 48 |
IV.CASP.HHZ. | 2021-02-15T23:04:37.46 | 0.3 | undecidable | manual | S | 174 | 42.5241 | 50 | -0.56 | 65 |
IV.CELB.HHZ. | 2021-02-15T23:04:36.23 | 0.1 | undecidable | manual | P | 226 | 67.7766 | 50 | 0.5 | 84 |
IV.PII.HHZ. | 2021-02-15T23:04:35.24 | 0.1 | undecidable | manual | P | 340 | 65.1903 | 50 | -0.09 | 92 |
IV.FROS.CHE. | 2021-02-15T23:04:33.46 | 0.6 | undecidable | manual | S | 81 | 28.3494 | 105 | -0.13 | 49 |
IV.CSNT.HHN. | 2021-02-15T23:04:33.49 | 0.3 | undecidable | manual | P | 49 | 51.2154 | 50 | 0.31 | 68 |
IV.RIBO.EHZ.01 | 2021-02-15T23:04:33.97 | 0.6 | undecidable | manual | S | 142 | 31.3464 | 103 | -0.62 | 43 |
IV.CASP.HHZ. | 2021-02-15T23:04:31.62 | 0.3 | undecidable | manual | P | 174 | 42.5241 | 50 | -0.23 | 70 |
IV.MAGO.CHZ. | 2021-02-15T23:04:29.10 | 0.6 | undecidable | manual | S | 313 | 16.5723 | 114 | -0.62 | 44 |
IV.FROS.CHE. | 2021-02-15T23:04:29.44 | 0.1 | undecidable | manual | P | 81 | 28.3494 | 105 | 0.15 | 97 |
IV.RIBO.EHZ.01 | 2021-02-15T23:04:29.89 | 0.3 | undecidable | manual | P | 142 | 31.3464 | 103 | 0.03 | 74 |
IV.TRIF.CHZ. | 2021-02-15T23:04:27.54 | 0.6 | undecidable | manual | S | 130 | 9.879 | 127 | -0.16 | 50 |
IV.MAGO.CHZ. | 2021-02-15T23:04:26.93 | 0.1 | positive | manual | P | 313 | 16.5723 | 114 | -0.12 | 100 |
IV.TRIF.CHZ. | 2021-02-15T23:04:26.09 | 0.1 | positive | manual | P | 130 | 9.879 | 127 | 0.21 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.TRIF.CHE. | ML:1.7 | 0.0008463535 | 0.2176 | AML | other | m | 2021-02-15T23:04:28.13 |
IV.TRIF.CHN. | ML:1.9 | 0.001245 | 0.14 | AML | other | m | 2021-02-15T23:04:28.26 |
IV.MAGO.CHE. | ML:1.8 | 0.0005669999999999999 | 0.12 | AML | other | m | 2021-02-15T23:04:30.01 |
IV.MAGO.CHN. | ML:1.7 | 0.00048663145 | 0.1024 | AML | other | m | 2021-02-15T23:04:30.20 |
IV.RIBO.EHE.01 | ML:1.7 | 0.00022970370000000001 | 0.192 | AML | other | m | 2021-02-15T23:04:35.37 |
IV.CASP.HHN. | ML:1.1 | 0.000040875495 | 0.32 | AML | other | m | 2021-02-15T23:04:37.79 |
IV.CASP.HHE. | ML:1.0 | 0.000035038315 | 0.4608 | AML | other | m | 2021-02-15T23:04:38.25 |
IV.PII.HHE. | ML:1.2 | 0.00002998946 | 0.384 | AML | other | m | 2021-02-15T23:04:46.48 |
IV.CELB.HHN. | ML:1.3 | 0.00003315 | 0.6 | AML | other | m | 2021-02-15T23:04:46.34 |
IV.CELB.HHE. | ML:1.2 | 0.00003204999999999999 | 0.06 | AML | other | m | 2021-02-15T23:04:46.68 |
TV.SF04.EHE. | ML:1.7 | 0.00007129452 | 1.808 | AML | other | m | 2021-02-15T23:04:49.95 |
TV.SF04.EHN. | ML:1.7 | 0.00007175 | 0.7 | AML | other | m | 2021-02-15T23:04:50.70 |