A magnitude ML 0.9 earthquake occured in region: 3 km SE Monterotondo Marittimo (GR), on
and geographic coordinates (lat, lon) 43.1230, 10.8850 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 | 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 | 17 | 3072 | 18914 |
Sassetta | LI | 20 | 514 | 19428 |
Pomarance | PI | 20 | 5897 | 25325 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.9 | 2021-03-30 01:03:50 |
43.123 | 10.885 | 9 | 2021-07-12 16:55:16 |
Bollettino Sismico Italiano INGV | 91990611 |
Reviewed Rev100 |
ML 0.9 | 2021-03-30 01:03:50 |
43.1213 | 10.8818 | 8 | 2021-03-30 01:11:23 |
Sala Sismica INGV-Roma | 88603211 |
Field | Value |
---|---|
Time (UTC) | 2021-03-30 01:03:50 ± 0.15 |
Latitude | 43.1230 ± 0.0108 |
Longitude | 10.8850 ± 0.0123 |
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 | 91990611 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1198 |
Semi-minor axis of confidence ellipse (meter) | 857 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 35 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1200.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 114 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 13 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.4 |
Epicentral distance of station closest to the epicenter (degree) | 0.01529 |
Epicentral distance of station farthest from the epicenter (degree) | 0.62053 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.2 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 88603211 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-03-30 01:11:23 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.2 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 91990611 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-06-28 06:33:20 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CELB.HHZ. | 2021-03-30T01:04:12.14 | 0.6 | undecidable | manual | S | 233 | 68.8755 | 50 | 0.05 | 46 |
IV.CELB.HHZ. | 2021-03-30T01:04:03.96 | 0.3 | undecidable | manual | P | 233 | 68.8755 | 50 | 0.93 | 53 |
IV.CASP.HHZ. | 2021-03-30T01:04:02.58 | 0.3 | undecidable | manual | S | 183 | 36.9297 | 50 | -0.97 | 55 |
IV.ARCI.HHZ. | 2021-03-30T01:04:01.40 | 0.3 | undecidable | manual | P | 122 | 56.5989 | 50 | 0.26 | 68 |
IV.RIBO.EHZ.01 | 2021-03-30T01:03:59.06 | 0.6 | undecidable | manual | S | 146 | 23.3544 | 110 | -0.22 | 49 |
IV.FROS.CHZ. | 2021-03-30T01:03:59.04 | 0.6 | undecidable | manual | S | 66 | 23.9538 | 109 | -0.45 | 46 |
IV.MAGO.CHZ. | 2021-03-30T01:03:59.13 | 0.3 | undecidable | manual | S | 312 | 24.753 | 109 | -0.63 | 65 |
IV.CASP.HHZ. | 2021-03-30T01:03:58.06 | 0.3 | undecidable | manual | P | 183 | 36.9297 | 50 | -0.05 | 74 |
IV.MAGO.CHZ. | 2021-03-30T01:03:56.08 | 0.1 | undecidable | manual | P | 312 | 24.753 | 109 | 0.16 | 98 |
IV.FROS.CHZ. | 2021-03-30T01:03:55.88 | 0.1 | undecidable | manual | P | 66 | 23.9538 | 109 | 0.12 | 99 |
IV.RIBO.EHZ.01 | 2021-03-30T01:03:55.78 | 0.1 | undecidable | manual | P | 146 | 23.3544 | 110 | 0.14 | 99 |
IV.TRIF.CHZ. | 2021-03-30T01:03:53.49 | 0.6 | undecidable | manual | S | 123 | 1.6983 | 169 | -0.17 | 51 |
IV.TRIF.CHZ. | 2021-03-30T01:03:52.67 | 0.1 | negative | manual | P | 123 | 1.6983 | 169 | 0.27 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MAGO.CHN. | ML:0.8 | 0.00003895 | 0.08 | AML | other | m | 2021-03-30T01:03:59.38 |
IV.FROS.CHE. | ML:1.0 | 0.00006355 | 0.9 | AML | other | m | 2021-03-30T01:03:59.88 |
IV.FROS.CHN. | ML:1.1 | 0.0000838 | 0.06 | AML | other | m | 2021-03-30T01:03:59.52 |
IV.MAGO.CHE. | ML:0.8 | 0.00003505 | 1.14 | AML | other | m | 2021-03-30T01:04:00.72 |