A magnitude ML 1.5 earthquake occured in region: 4 km SE Monterotondo Marittimo (GR), on
and geographic coordinates (lat, lon) 43.1220, 10.8870 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 |
---|---|---|---|---|
Monterotondo Marittimo | GR | 4 | 1371 | 1371 |
Massa Marittima | GR | 8 | 8375 | 9746 |
Castelnuovo di Val di Cecina | PI | 10 | 2231 | 11977 |
Montieri | GR | 11 | 1204 | 13181 |
Monteverdi Marittimo | PI | 15 | 758 | 13939 |
Chiusdino | SI | 17 | 1903 | 15842 |
Suvereto | LI | 18 | 3072 | 18914 |
Sassetta | LI | 20 | 514 | 19428 |
Pomarance | PI | 20 | 5897 | 25325 |
Radicondoli | SI | 20 | 914 | 26239 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.5 | 2021-03-30 01:06:33 |
43.1223 | 10.8872 | 9 | 2021-07-12 16:55:16 |
Bollettino Sismico Italiano INGV | 91990661 |
Reviewed Rev100 |
ML 1.5 | 2021-03-30 01:06:33 |
43.1323 | 10.8873 | 8 | 2021-03-30 01:14:32 |
Sala Sismica INGV-Roma | 88603271 |
Field | Value |
---|---|
Time (UTC) | 2021-03-30 01:06:33 ± 0.13 |
Latitude | 43.1223 ± 0.0081 |
Longitude | 10.8872 ± 0.0111 |
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 | 91990661 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 893 |
Semi-minor axis of confidence ellipse (meter) | 849 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 16 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 890.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 88 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.41 |
Epicentral distance of station closest to the epicenter (degree) | 0.01349 |
Epicentral distance of station farthest from the epicenter (degree) | 0.64661 |
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 | 0.2 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 88603271 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-03-30 01:14:32 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.2 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 91990661 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-06-28 06:34:50 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CELB.HHZ. | 2021-03-30T01:06:54.74 | 0.3 | undecidable | manual | S | 233 | 68.9754 | 50 | -0.39 | 64 |
IV.ARCI.HNE. | 2021-03-30T01:06:50.83 | 0.3 | undecidable | manual | S | 122 | 56.3991 | 50 | -0.94 | 53 |
IV.CSNT.HHZ. | 2021-03-30T01:06:49.74 | 0.6 | undecidable | manual | S | 40 | 50.7159 | 50 | -0.52 | 43 |
IV.CELB.HHZ. | 2021-03-30T01:06:46.90 | 0.1 | undecidable | manual | P | 233 | 68.9754 | 50 | 0.82 | 73 |
TV.SF14.HHN. | 2021-03-30T01:06:46.92 | 0.3 | undecidable | manual | P | 124 | 71.7726 | 50 | 0.41 | 63 |
TV.SF04.EHZ. | 2021-03-30T01:06:46.78 | 0.1 | undecidable | manual | P | 117 | 70.374 | 50 | 0.49 | 83 |
IV.CASP.HHE. | 2021-03-30T01:06:45.52 | 0.6 | undecidable | manual | S | 183 | 36.8298 | 50 | -1.03 | 35 |
IV.ARCI.HNE. | 2021-03-30T01:06:44.62 | 0.3 | undecidable | manual | P | 122 | 56.3991 | 50 | 0.48 | 64 |
IV.CSNT.HHZ. | 2021-03-30T01:06:43.46 | 0.1 | undecidable | manual | P | 40 | 50.7159 | 50 | 0.19 | 92 |
IV.RIBO.EHZ.01 | 2021-03-30T01:06:42.13 | 0.6 | undecidable | manual | S | 146 | 23.1546 | 110 | -0.14 | 49 |
IV.FROS.CHZ. | 2021-03-30T01:06:42.11 | 0.6 | undecidable | manual | S | 66 | 23.8539 | 110 | -0.38 | 46 |
IV.MAGO.CHZ. | 2021-03-30T01:06:42.17 | 0.6 | undecidable | manual | S | 312 | 24.9528 | 109 | -0.69 | 42 |
IV.CASP.HHE. | 2021-03-30T01:06:41.03 | 0.1 | undecidable | manual | P | 183 | 36.8298 | 50 | -0.09 | 96 |
IV.MAGO.CHZ. | 2021-03-30T01:06:39.04 | 0.1 | undecidable | manual | P | 312 | 24.9528 | 109 | 0.05 | 99 |
IV.RIBO.EHZ.01 | 2021-03-30T01:06:38.74 | 0.1 | undecidable | manual | P | 146 | 23.1546 | 110 | 0.09 | 99 |
IV.FROS.CHZ. | 2021-03-30T01:06:38.87 | 0.1 | undecidable | manual | P | 66 | 23.8539 | 110 | 0.09 | 99 |
IV.TRIF.CHZ. | 2021-03-30T01:06:36.48 | 0.1 | undecidable | manual | S | 124 | 1.4985 | 170 | -0.23 | 100 |
IV.TRIF.CHZ. | 2021-03-30T01:06:35.65 | 0.1 | undecidable | manual | P | 124 | 1.4985 | 170 | 0.21 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FROS.CHE. | ML:1.4 | 0.00016399999999999997 | 0.16 | AML | other | m | 2021-03-30T01:06:42.42 |
IV.FROS.CHN. | ML:1.6 | 0.0002735 | 0.62 | AML | other | m | 2021-03-30T01:06:43.35 |
IV.CELB.HHN. | ML:1.2 | 0.0000281 | 0.26 | AML | other | m | 2021-03-30T01:06:55.58 |
IV.CELB.HHE. | ML:1.5 | 0.000056 | 0.06 | AML | other | m | 2021-03-30T01:06:55.52 |