A magnitude ML 1.2 earthquake occured in region: 6 km SW Palazzuolo sul Senio (FI), on
and geographic coordinates (lat, lon) 44.0680, 11.5180 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 | 6 | 1154 | 1154 |
Marradi | FI | 8 | 3139 | 4293 |
Firenzuola | FI | 12 | 4726 | 9019 |
Vicchio | FI | 15 | 8044 | 17063 |
Castel del Rio | BO | 16 | 1246 | 18309 |
Borgo San Lorenzo | FI | 16 | 18211 | 36520 |
San Godenzo | FI | 18 | 1167 | 37687 |
Tredozio | FC | 18 | 1212 | 38899 |
Casola Valsenio | RA | 19 | 2617 | 41516 |
Scarperia e San Piero | FI | 19 | 12217 | 53733 |
Dicomano | FI | 20 | 5515 | 59248 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2020-10-21 01:25:17 |
44.0685 | 11.5177 | 10 | 2020-10-21 01:29:39 |
Sala Sismica INGV-Roma | 83971991 |
Field | Value |
---|---|
Time (UTC) | 2020-10-21 01:25:17 ± 0.09 |
Latitude | 44.0685 ± 0.0027 |
Longitude | 11.5177 ± 0.0050 |
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 | 83971991 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 340 |
Semi-minor axis of confidence ellipse (meter) | 171 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 115 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 340.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 76 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 13 |
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) | 0.09623 |
Epicentral distance of station farthest from the epicenter (degree) | 0.32645 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 83971991 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-10-21 01:29:39 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.BRIS.HHZ. | 2020-10-21T01:25:27.47 | 0.3 | undecidable | manual | S | 49 | 26.3514 | 110 | 0.23 | 71 |
IV.RINC.HHZ. | 2020-10-21T01:25:25.41 | 0.3 | undecidable | manual | S | 161 | 21.3675 | 115 | -0.26 | 71 |
IV.MPPT.EHZ. | 2020-10-21T01:25:24.96 | 1.0 | negative | manual | P | 250 | 36.2415 | 50 | 0.28 | 23 |
IV.BRIS.HHZ. | 2020-10-21T01:25:23.13 | 0.1 | undecidable | manual | P | 49 | 26.3514 | 110 | 0 | 99 |
IV.VISG.HHZ. | 2020-10-21T01:25:23.47 | 0.3 | undecidable | manual | S | 334 | 14.874 | 123 | -0.23 | 72 |
IV.MOCL.EHZ. | 2020-10-21T01:25:23.36 | 1.0 | undecidable | manual | P | 255 | 27.75 | 50 | -0.01 | 25 |
IV.SEI.HHZ. | 2020-10-21T01:25:23.03 | 0.3 | undecidable | manual | S | 263 | 12.7761 | 127 | -0.06 | 75 |
IV.SFI.EHZ. | 2020-10-21T01:25:23.76 | 1.0 | positive | manual | P | 125 | 31.9458 | 50 | -0.25 | 23 |
IV.RONT.HHZ. | 2020-10-21T01:25:22.78 | 0.3 | undecidable | manual | S | 219 | 10.6782 | 132 | 0.24 | 72 |
IV.RINC.HHZ. | 2020-10-21T01:25:22.22 | 0.1 | undecidable | manual | P | 161 | 21.3675 | 115 | 0 | 100 |
IV.VISG.HHZ. | 2020-10-21T01:25:21.02 | 0.1 | undecidable | manual | P | 334 | 14.874 | 123 | -0.06 | 99 |
IV.RONT.HHZ. | 2020-10-21T01:25:20.65 | 1.0 | undecidable | manual | P | 219 | 10.6782 | 132 | 0.24 | 24 |
IV.SEI.HHZ. | 2020-10-21T01:25:20.78 | 0.1 | undecidable | manual | P | 263 | 12.7761 | 127 | 0.05 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SEI.HHE. | ML:1.3 | 0.0001995 | 0.5 | AML | other | m | 2020-10-21T01:25:23.28 |
IV.SEI.HHN. | ML:1.5 | 0.00035150000000000003 | 0.2 | AML | other | m | 2020-10-21T01:25:23.66 |
IV.VISG.HHE. | ML:1.1 | 0.00011695 | 0.86 | AML | other | m | 2020-10-21T01:25:23.95 |
IV.VISG.HHN. | ML:1.3 | 0.000189 | 0.14 | AML | other | m | 2020-10-21T01:25:24.10 |
IV.RONT.HHE. | ML:1.5 | 0.0004145 | 0.24 | AML | other | m | 2020-10-21T01:25:24.33 |
IV.RONT.HHN. | ML:1.3 | 0.00024249999999999999 | 0.72 | AML | other | m | 2020-10-21T01:25:24.38 |
IV.RINC.HHE. | ML:1.1 | 0.00009395000000000001 | 0.56 | AML | other | m | 2020-10-21T01:25:26.41 |
IV.RINC.HHN. | ML:0.9 | 0.00004995 | 1.36 | AML | other | m | 2020-10-21T01:25:27.09 |
IV.BRIS.HHN. | ML:1.1 | 0.00007045 | 1.68 | AML | other | m | 2020-10-21T01:25:27.90 |
IV.BRIS.HHE. | ML:1.1 | 0.0000663 | 0.5 | AML | other | m | 2020-10-21T01:25:28.31 |
IV.MOCL.EHN. | ML:1.2 | 0.00009175 | 0.28 | AML | other | m | 2020-10-21T01:25:28.37 |
IV.MOCL.EHE. | ML:1.1 | 0.00006115 | 0.18 | AML | other | m | 2020-10-21T01:25:28.38 |