A magnitude ML 1.1 earthquake occured in region: 4 km W Palazzuolo sul Senio (FI), on
and geographic coordinates (lat, lon) 44.1070, 11.4960 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 |
---|---|---|---|---|
Palazzuolo sul Senio | FI | 4 | 1154 | 1154 |
Firenzuola | FI | 9 | 4726 | 5880 |
Marradi | FI | 10 | 3139 | 9019 |
Castel del Rio | BO | 12 | 1246 | 10265 |
Casola Valsenio | RA | 17 | 2617 | 12882 |
Fontanelice | BO | 18 | 1943 | 14825 |
Borgo San Lorenzo | FI | 19 | 18211 | 33036 |
Monghidoro | BO | 19 | 3749 | 36785 |
Vicchio | FI | 19 | 8044 | 44829 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2022-01-31 00:07:21 |
44.1072 | 11.4957 | 10 | 2022-01-31 00:16:49 |
Sala Sismica INGV-Roma | 100379501 |
Field | Value |
---|---|
Time (UTC) | 2022-01-31 00:07:21 ± 0.04 |
Latitude | 44.1072 ± 0.0027 |
Longitude | 11.4957 ± 0.0025 |
Depth (km) | 10 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 100379501 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 276 |
Semi-minor axis of confidence ellipse (meter) | 177 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 343 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 280.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 73 |
Number of associated phases, regardless of their use for origin computation | 19 |
Number of defining phases | 19 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.09263 |
Epicentral distance of station farthest from the epicenter (degree) | 0.37502 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 13 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.5 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 100379501 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2022-01-31 00:16:49 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.BRIS.HHZ. | 2022-01-31T00:07:31.38 | 1.0 | undecidable | manual | S | 59 | 25.1526 | 50 | 0.27 | 23 |
IV.MOCL.EHZ. | 2022-01-31T00:07:31.73 | 0.3 | undecidable | manual | S | 246 | 27.5502 | 50 | -0.02 | 72 |
IV.BOSL.HHN. | 2022-01-31T00:07:30.33 | 0.6 | undecidable | manual | S | 206 | 21.867 | 115 | 0.25 | 46 |
IV.MPPT.EHE. | 2022-01-31T00:07:29.01 | 1.0 | undecidable | manual | P | 243 | 36.3414 | 50 | 0.14 | 23 |
IV.ASQU.HHZ. | 2022-01-31T00:07:29.68 | 1.0 | undecidable | manual | P | 146 | 41.625 | 50 | -0.01 | 24 |
IV.FIR.HHZ. | 2022-01-31T00:07:29.66 | 1.0 | undecidable | manual | P | 208 | 41.625 | 50 | -0.02 | 23 |
IV.SFI.HNZ. | 2022-01-31T00:07:28.94 | 1.0 | undecidable | manual | P | 129 | 35.9418 | 50 | 0.14 | 23 |
IV.LMD.HHZ. | 2022-01-31T00:07:28.42 | 0.6 | undecidable | manual | S | 101 | 17.1717 | 121 | -0.23 | 48 |
IV.FNVD.HHE. | 2022-01-31T00:07:27.99 | 1.0 | undecidable | manual | P | 283 | 30.4473 | 50 | 0.03 | 24 |
IV.BRIS.HHZ. | 2022-01-31T00:07:27.42 | 0.6 | undecidable | manual | P | 59 | 25.1526 | 50 | 0.27 | 46 |
IV.MOCL.EHZ. | 2022-01-31T00:07:27.46 | 0.6 | positive | manual | P | 246 | 27.5502 | 50 | -0.05 | 48 |
IV.RUFI.EHZ. | 2022-01-31T00:07:27.50 | 1.0 | undecidable | manual | P | 178 | 29.8479 | 50 | -0.37 | 22 |
IV.SEI.HHZ. | 2022-01-31T00:07:27.31 | 0.3 | undecidable | manual | S | 242 | 12.3765 | 129 | 0.02 | 74 |
IV.BOSL.HHN. | 2022-01-31T00:07:26.54 | 0.1 | undecidable | manual | P | 206 | 21.867 | 115 | -0.01 | 98 |
IV.MTRZ.HNE. | 2022-01-31T00:07:26.97 | 1.0 | undecidable | manual | P | 346 | 23.4543 | 113 | 0.11 | 24 |
IV.VISG.HHZ. | 2022-01-31T00:07:26.64 | 0.6 | undecidable | manual | S | 332 | 10.2786 | 135 | -0.11 | 49 |
IV.LMD.HHZ. | 2022-01-31T00:07:25.71 | 0.6 | undecidable | manual | P | 101 | 17.1717 | 121 | -0.02 | 50 |
IV.VISG.HHZ. | 2022-01-31T00:07:24.60 | 0.1 | positive | manual | P | 332 | 10.2786 | 135 | -0.03 | 100 |
IV.SEI.HHZ. | 2022-01-31T00:07:24.88 | 0.1 | positive | manual | P | 242 | 12.3765 | 129 | -0.06 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VISG.HHE. | ML:0.2 | 0.000019307995000000002 | 0.06 | AML | other | m | 2022-01-31T00:07:26.91 |
IV.VISG.HHN. | ML:0.4 | 0.000029987635 | 0.1 | AML | other | m | 2022-01-31T00:07:26.88 |
IV.SEI.HHN. | ML:1.3 | 0.000237 | 0.16 | AML | other | m | 2022-01-31T00:07:27.49 |
IV.SEI.HHE. | ML:0.9 | 0.000087043285 | 0.26 | AML | other | m | 2022-01-31T00:07:27.74 |
IV.MOCL.EHE. | ML:0.6 | 0.000020720928 | 0.1 | AML | other | m | 2022-01-31T00:07:32.01 |
IV.MOCL.EHN. | ML:0.6 | 0.00001954277 | 0.28 | AML | other | m | 2022-01-31T00:07:31.80 |
IV.FIR.HNE. | ML:1.6 | 0.00012185971499999999 | 0.11 | AML | other | m | 2022-01-31T00:07:38.25 |
IV.FIR.HNN. | ML:1.6 | 0.0001229948 | 0.19 | AML | other | m | 2022-01-31T00:07:41.18 |
IV.FIR.HHE. | ML:1.6 | 0.000130727355 | 0.08 | AML | other | m | 2022-01-31T00:07:38.03 |
IV.FIR.HHN. | ML:1.4 | 0.00009019890999999999 | 0.14 | AML | other | m | 2022-01-31T00:07:44.86 |