A magnitude ML 1.1 earthquake occured in region: 1 km W Firenzuola (FI), on
and geographic coordinates (lat, lon) 44.1190, 11.3630 at 24 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 |
---|---|---|---|---|
Firenzuola | FI | 1 | 4726 | 4726 |
Monghidoro | BO | 12 | 3749 | 8475 |
Palazzuolo sul Senio | FI | 15 | 1154 | 9629 |
San Benedetto Val di Sambro | BO | 15 | 4315 | 13944 |
Castel del Rio | BO | 16 | 1246 | 15190 |
Barberino di Mugello | FI | 16 | 10836 | 26026 |
Castiglione dei Pepoli | BO | 17 | 5648 | 31674 |
Loiano | BO | 17 | 4294 | 35968 |
Scarperia e San Piero | FI | 18 | 12217 | 48185 |
Vernio | PO | 18 | 6060 | 54245 |
Borgo San Lorenzo | FI | 18 | 18211 | 72456 |
Monzuno | BO | 19 | 6328 | 78784 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2021-10-29 00:34:35 |
44.1192 | 11.3627 | 24 | 2021-10-29 00:46:01 |
Sala Sismica INGV-Roma | 97047811 |
Field | Value |
---|---|
Time (UTC) | 2021-10-29 00:34:35 ± 0.16 |
Latitude | 44.1192 ± 0.0072 |
Longitude | 11.3627 ± 0.0113 |
Depth (km) | 24 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 97047811 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 959 |
Semi-minor axis of confidence ellipse (meter) | 521 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 304 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 960.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 196 |
Number of associated phases, regardless of their use for origin computation | 7 |
Number of defining phases | 7 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.12 |
Epicentral distance of station closest to the epicenter (degree) | 0.08633 |
Epicentral distance of station farthest from the epicenter (degree) | 0.30847 |
Number of stations at which the event was observed | 4 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.3 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 97047811 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-29 00:46:01 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.BRIS.HHZ. | 2021-10-29T00:34:48.23 | 0.3 | undecidable | manual | S | 70 | 34.2435 | 119 | 0.02 | 73 |
IV.MTRZ.HHZ. | 2021-10-29T00:34:45.63 | 0.1 | undecidable | manual | S | 13 | 22.0668 | 133 | 0.07 | 98 |
IV.VISG.HHZ. | 2021-10-29T00:34:43.51 | 0.1 | undecidable | manual | S | 36 | 9.5793 | 156 | -0.08 | 100 |
IV.BRIS.HHZ. | 2021-10-29T00:34:42.88 | 0.1 | undecidable | manual | P | 70 | 34.2435 | 119 | -0.03 | 97 |
IV.MTRZ.HHZ. | 2021-10-29T00:34:41.26 | 0.1 | negative | manual | P | 13 | 22.0668 | 133 | -0.12 | 97 |
IV.BOSL.HHZ. | 2021-10-29T00:34:41.26 | 0.3 | undecidable | manual | P | 177 | 20.868 | 134 | 0.01 | 75 |
IV.VISG.HHZ. | 2021-10-29T00:34:40.37 | 0.1 | undecidable | manual | P | 36 | 9.5793 | 156 | 0.13 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VISG.HHE. | ML:0.9 | 0.000048899999999999996 | 0.52 | AML | other | m | 2021-10-29T00:34:43.61 |
IV.VISG.HHN. | ML:0.8 | 0.0000414442655 | 0.14 | AML | other | m | 2021-10-29T00:34:43.74 |
IV.MTRZ.HNE. | ML:1.4 | 0.000105742535 | 0.99 | AML | other | m | 2021-10-29T00:34:46.41 |
IV.MTRZ.HNN. | ML:1.4 | 0.000125505 | 0.59 | AML | other | m | 2021-10-29T00:34:45.71 |