A magnitude ML 0.7 earthquake occured in region: 3 km NE Monterotondo Marittimo (GR), on
and geographic coordinates (lat, lon) 43.1710, 10.8680 at 7 km depth.
The earthquake was located by: Sala Sismica INGV-Roma.
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 | 3 | 1371 | 1371 |
Castelnuovo di Val di Cecina | PI | 5 | 2231 | 3602 |
Monteverdi Marittimo | PI | 12 | 758 | 4360 |
Montieri | GR | 13 | 1204 | 5564 |
Massa Marittima | GR | 13 | 8375 | 13939 |
Pomarance | PI | 15 | 5897 | 19836 |
Radicondoli | SI | 17 | 914 | 20750 |
Chiusdino | SI | 18 | 1903 | 22653 |
Suvereto | LI | 18 | 3072 | 25725 |
Sassetta | LI | 19 | 514 | 26239 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.7 | 2021-05-16 12:51:50 |
43.1708 | 10.8678 | 7 | 2021-05-16 13:05:15 |
Sala Sismica INGV-Roma | 90165041 |
Field | Value |
---|---|
Time (UTC) | 2021-05-16 12:51:50 ± 0.16 |
Latitude | 43.1708 ± 0.0117 |
Longitude | 10.8678 ± 0.0160 |
Depth (km) | 7 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 90165041 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1663 |
Semi-minor axis of confidence ellipse (meter) | 567 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 225 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1660.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 148 |
Number of associated phases, regardless of their use for origin computation | 8 |
Number of defining phases | 8 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.28 |
Epicentral distance of station closest to the epicenter (degree) | 0.06115 |
Epicentral distance of station farthest from the epicenter (degree) | 0.65291 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 0.7 |
Uncertainty | 0.4 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 90165041 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-05-16 13:05:15 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
TV.SF13.HHE. | 2021-05-16T12:52:03.57 | 0.3 | undecidable | manual | P | 122 | 72.4719 | 50 | 0.14 | 67 |
IV.RIBO.EHZ.01 | 2021-05-16T12:52:00.13 | 0.3 | undecidable | manual | S | 149 | 28.5492 | 104 | -0.41 | 69 |
IV.MAGO.CHZ. | 2021-05-16T12:51:57.50 | 0.3 | undecidable | manual | S | 304 | 20.4684 | 109 | -0.32 | 71 |
IV.RIBO.EHZ.01 | 2021-05-16T12:51:56.21 | 0.1 | undecidable | manual | P | 149 | 28.5492 | 104 | -0.01 | 100 |
IV.FROS.CHZ. | 2021-05-16T12:51:55.15 | 0.3 | undecidable | manual | P | 79 | 23.754 | 107 | -0.14 | 74 |
IV.MAGO.CHZ. | 2021-05-16T12:51:54.85 | 0.1 | undecidable | manual | P | 304 | 20.4684 | 109 | 0.19 | 98 |
IV.TRIF.CHZ. | 2021-05-16T12:51:53.83 | 0.3 | undecidable | manual | S | 156 | 6.7932 | 136 | 0.09 | 77 |
IV.TRIF.CHZ. | 2021-05-16T12:51:52.57 | 0.1 | undecidable | manual | P | 156 | 6.7932 | 136 | 0.27 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.TRIF.CHE. | ML:1.4 | 0.0001205 | 0.68 | AML | other | m | 2021-05-16T12:51:53.94 |
IV.TRIF.CHN. | ML:1.2 | 0.00008965000000000001 | 0.6 | AML | other | m | 2021-05-16T12:51:54.16 |
IV.MAGO.CHE. | ML:0.4 | 0.000021919465 | 0.096 | AML | other | m | 2021-05-16T12:51:57.68 |
IV.MAGO.CHN. | ML:1.0 | 0.00007095910999999999 | 1.4016 | AML | other | m | 2021-05-16T12:51:57.88 |