A magnitude ML 0.4 earthquake occured in region: 5 km SW Firenzuola (FI), on
and geographic coordinates (lat, lon) 44.0940, 11.3320 at 10 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 | 5 | 4726 | 4726 |
Barberino di Mugello | FI | 13 | 10836 | 15562 |
Monghidoro | BO | 14 | 3749 | 19311 |
Scarperia e San Piero | FI | 15 | 12217 | 31528 |
Vernio | PO | 15 | 6060 | 37588 |
Castiglione dei Pepoli | BO | 15 | 5648 | 43236 |
San Benedetto Val di Sambro | BO | 16 | 4315 | 47551 |
Borgo San Lorenzo | FI | 16 | 18211 | 65762 |
Palazzuolo sul Senio | FI | 17 | 1154 | 66916 |
Cantagallo | PO | 19 | 3105 | 70021 |
Castel del Rio | BO | 19 | 1246 | 71267 |
Loiano | BO | 20 | 4294 | 75561 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.4 | 2022-10-31 20:13:29 |
44.0935 | 11.332 | 10 | 2022-10-31 20:19:42 |
Sala Sismica INGV-Roma | 111357651 |
Field | Value |
---|---|
Time (UTC) | 2022-10-31 20:13:29 ± 0.14 |
Latitude | 44.0935 ± 0.0036 |
Longitude | 11.3320 ± 0.0063 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 111357651 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 497 |
Semi-minor axis of confidence ellipse (meter) | 145 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 310 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 500.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 166 |
Number of associated phases, regardless of their use for origin computation | 10 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.15 |
Epicentral distance of station closest to the epicenter (degree) | 0.04317 |
Epicentral distance of station farthest from the epicenter (degree) | 0.22033 |
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 | 0.4 |
Uncertainty | 0.4 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 111357651 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2022-10-31 20:19:42 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MPPT.EHZ. | 2022-10-31T20:13:38.59 | 0.6 | undecidable | manual | S | 232 | 24.4533 | 112 | -0.19 | 48 |
IV.VMGN.HHZ. | 2022-10-31T20:13:37.87 | 0.6 | undecidable | manual | S | 134 | 22.2555 | 114 | -0.2 | 49 |
IV.BOSL.HHZ. | 2022-10-31T20:13:36.97 | 0.6 | undecidable | manual | S | 169 | 18.3705 | 118 | 0.12 | 50 |
IV.VISG.HHZ. | 2022-10-31T20:13:35.21 | 0.6 | undecidable | manual | S | 38 | 13.3755 | 126 | -0.17 | 50 |
IV.MPPT.EHZ. | 2022-10-31T20:13:34.89 | 0.1 | undecidable | manual | P | 232 | 24.4533 | 112 | -0.03 | 100 |
IV.VMGN.HHZ. | 2022-10-31T20:13:34.39 | 0.1 | undecidable | manual | P | 134 | 22.2555 | 114 | -0.11 | 99 |
IV.BOSL.HHZ. | 2022-10-31T20:13:33.98 | 0.1 | undecidable | manual | P | 169 | 18.3705 | 118 | 0.17 | 98 |
IV.SEI.HHZ. | 2022-10-31T20:13:33.44 | 0.6 | undecidable | manual | S | 154 | 4.7952 | 154 | 0.01 | 52 |
IV.VISG.HHZ. | 2022-10-31T20:13:33.11 | 0.3 | positive | manual | P | 38 | 13.3755 | 126 | 0.15 | 75 |
IV.SEI.HHZ. | 2022-10-31T20:13:32.00 | 0.6 | undecidable | manual | P | 154 | 4.7952 | 154 | 0.17 | 50 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SEI.HHE. | ML:1.0 | 0.0001615 | 0.58 | AML | other | m | 2022-10-31T20:13:33.66 |
IV.SEI.HHN. | ML:1.1 | 0.000226 | 0.8 | AML | other | m | 2022-10-31T20:13:34.75 |
IV.VISG.HHE. | ML:0.2 | 0.00001379 | 0.62 | AML | other | m | 2022-10-31T20:13:35.65 |
IV.VISG.HHN. | ML:0.2 | 0.0000126 | 0.24 | AML | other | m | 2022-10-31T20:13:36.27 |
IV.BOSL.HHE. | ML:0.4 | 0.00001795 | 0.18 | AML | other | m | 2022-10-31T20:13:37.18 |
IV.BOSL.HHN. | ML:0.3 | 0.0000155 | 0.52 | AML | other | m | 2022-10-31T20:13:37.15 |