A magnitude ML 1.1 earthquake occured in region: 5 km NW Monterotondo Marittimo (GR), on
and geographic coordinates (lat, lon) 43.1820, 10.8270 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 | 5 | 1371 | 1371 |
Castelnuovo di Val di Cecina | PI | 7 | 2231 | 3602 |
Monteverdi Marittimo | PI | 9 | 758 | 4360 |
Pomarance | PI | 14 | 5897 | 10257 |
Massa Marittima | GR | 15 | 8375 | 18632 |
Sassetta | LI | 16 | 514 | 19146 |
Montieri | GR | 16 | 1204 | 20350 |
Suvereto | LI | 17 | 3072 | 23422 |
Castagneto Carducci | LI | 18 | 9010 | 32432 |
Radicondoli | SI | 20 | 914 | 33346 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2020-10-16 22:44:02 |
43.1825 | 10.8272 | 7 | 2020-10-16 22:52:18 |
Sala Sismica INGV-Roma | 83829731 |
Field | Value |
---|---|
Time (UTC) | 2020-10-16 22:44:02 ± 0.1 |
Latitude | 43.1825 ± 0.0081 |
Longitude | 10.8272 ± 0.0074 |
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 | 83829731 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 914 |
Semi-minor axis of confidence ellipse (meter) | 375 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 205 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 910.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 161 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.58186 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 83829731 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-10-16 22:52:18 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.PII.HHE. | 2020-10-16T22:44:23.03 | 0.6 | undecidable | manual | S | 338 | 64.5909 | 50 | 0.04 | 45 |
IV.CSNT.HHZ. | 2020-10-16T22:44:18.65 | 0.6 | undecidable | manual | S | 49 | 49.3173 | 50 | -0.27 | 44 |
IV.CELB.HHZ. | 2020-10-16T22:44:15.27 | 3.0 | undecidable | manual | P | 0 | 0 | |||
IV.ARCI.HHZ. | 2020-10-16T22:44:14.08 | 3.0 | undecidable | manual | P | 0 | 0 | |||
IV.PII.HHE. | 2020-10-16T22:44:14.57 | 0.1 | undecidable | manual | P | 338 | 64.5909 | 50 | 0.25 | 86 |
IV.FROS.CHZ. | 2020-10-16T22:44:12.23 | 0.6 | undecidable | manual | S | 83 | 26.751 | 105 | 0.12 | 48 |
IV.CSNT.HHZ. | 2020-10-16T22:44:11.84 | 0.1 | undecidable | manual | P | 49 | 49.3173 | 50 | -0.12 | 91 |
IV.FROS.CHZ. | 2020-10-16T22:44:08.12 | 0.1 | undecidable | manual | P | 83 | 26.751 | 105 | 0.08 | 96 |
IV.MAGO.CHZ. | 2020-10-16T22:44:08.44 | 0.6 | undecidable | manual | S | 306 | 16.9719 | 114 | -0.46 | 45 |
IV.RIBO.EHZ. | 2020-10-16T22:44:08.83 | 0.1 | undecidable | manual | P | 145 | 31.4463 | 103 | -0.11 | 95 |
IV.MAGO.CHZ. | 2020-10-16T22:44:06.35 | 0.1 | positive | manual | P | 306 | 16.9719 | 114 | 0.17 | 96 |
IV.TRIF.CHZ. | 2020-10-16T22:44:04.93 | 0.1 | positive | manual | P | 141 | 9.6792 | 127 | 0.02 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.TRIF.CHE. | ML:1.0 | 0.00015849999999999998 | 0.82 | AML | other | m | 2020-10-16T22:44:06.41 |
IV.TRIF.CHN. | ML:1.0 | 0.000156 | 0.8 | AML | other | m | 2020-10-16T22:44:07.58 |
IV.MAGO.CHE. | ML:1.1 | 0.00011385 | 1.58 | AML | other | m | 2020-10-16T22:44:08.19 |
IV.MAGO.CHN. | ML:1.2 | 0.00014749999999999998 | 0.1 | AML | other | m | 2020-10-16T22:44:09.40 |