A magnitude ML 1.2 earthquake occured in region: 3 km W Palazzuolo sul Senio (FI), on
and geographic coordinates (lat, lon) 44.1250, 11.5130 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 | 3 | 1154 | 1154 |
Marradi | FI | 10 | 3139 | 4293 |
Castel del Rio | BO | 10 | 1246 | 5539 |
Firenzuola | FI | 11 | 4726 | 10265 |
Casola Valsenio | RA | 14 | 2617 | 12882 |
Fontanelice | BO | 15 | 1943 | 14825 |
Borgo Tossignano | BO | 18 | 3288 | 18113 |
Monghidoro | BO | 19 | 3749 | 21862 |
Tredozio | FC | 19 | 1212 | 23074 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2021-04-22 03:59:04 |
44.1247 | 11.5127 | 10 | 2021-04-22 04:13:08 |
Sala Sismica INGV-Roma | 89347321 |
Field | Value |
---|---|
Time (UTC) | 2021-04-22 03:59:04 ± 0.08 |
Latitude | 44.1247 ± 0.0036 |
Longitude | 11.5127 ± 0.0050 |
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 | 89347321 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 360 |
Semi-minor axis of confidence ellipse (meter) | 334 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 240 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 360.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 102 |
Number of associated phases, regardless of their use for origin computation | 17 |
Number of defining phases | 12 |
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) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.38311 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.3 |
Num. used stations | 16 |
Type of magnitude | ML |
Reference to an origin | 89347321 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-22 04:13:08 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.IFOR.HHZ. | 2021-04-22T04:00:49.66 | 3.0 | undecidable | manual | Sn | -1.36 | 0 | |||
OT.OT13.EHZ. | 2021-04-22T04:00:20.79 | 3.0 | positive | manual | Pg | 18.01 | 0 | |||
NI.VINO.HHZ. | 2021-04-22T04:00:01.40 | 3.0 | undecidable | manual | Sn | 0.11 | 0 | |||
IV.LAV9.HHZ. | 2021-04-22T03:59:49.41 | 3.0 | undecidable | manual | Pg | 9.1 | 0 | |||
SI.BOSI.HHZ. | 2021-04-22T03:59:46.44 | 3.0 | undecidable | manual | Sn | -0.04 | 0 | |||
IV.RUFI.EHZ. | 2021-04-22T03:59:15.66 | 0.6 | undecidable | manual | S | 180 | 31.8459 | 50 | -0.21 | 46 |
IV.ASQU.HHZ. | 2021-04-22T03:59:13.30 | 1.0 | undecidable | manual | P | 149 | 42.5241 | 50 | 0.5 | 21 |
IV.RONT.HHZ. | 2021-04-22T03:59:11.27 | 0.6 | undecidable | manual | S | 204 | 15.873 | 122 | 0.08 | 49 |
IV.LMD.HHZ. | 2021-04-22T03:59:11.24 | 0.6 | undecidable | manual | S | 109 | 16.3725 | 121 | -0.1 | 49 |
IV.RUFI.EHZ. | 2021-04-22T03:59:11.10 | 1.0 | undecidable | manual | P | 180 | 31.8459 | 50 | -0.04 | 24 |
IV.SEI.HHZ. | 2021-04-22T03:59:10.80 | 0.6 | undecidable | manual | S | 238 | 14.5743 | 124 | -0.01 | 50 |
IV.BRIS.HHZ. | 2021-04-22T03:59:09.90 | 1.0 | undecidable | manual | P | 61 | 23.0547 | 113 | 0.19 | 24 |
IV.VISG.HHZ. | 2021-04-22T03:59:09.34 | 0.6 | undecidable | manual | S | 319 | 9.4794 | 137 | -0.12 | 49 |
IV.SEI.HHZ. | 2021-04-22T03:59:08.17 | 0.1 | positive | manual | P | 238 | 14.5743 | 124 | -0.05 | 99 |
IV.RONT.HHZ. | 2021-04-22T03:59:08.54 | 0.3 | positive | manual | P | 204 | 15.873 | 122 | 0.1 | 73 |
IV.LMD.HHZ. | 2021-04-22T03:59:08.37 | 1.0 | undecidable | manual | P | 109 | 16.3725 | 121 | -0.16 | 24 |
IV.VISG.HHZ. | 2021-04-22T03:59:07.48 | 0.1 | negative | manual | P | 319 | 9.4794 | 137 | 0.04 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VISG.HHE. | ML:1.3 | 0.00024300929999999997 | 0.4384 | AML | other | m | 2021-04-22T03:59:09.33 |
IV.VISG.HHN. | ML:1.2 | 0.000236657 | 0.1216 | AML | other | m | 2021-04-22T03:59:09.55 |
IV.SEI.HHE. | ML:1.3 | 0.00020184405 | 0.48 | AML | other | m | 2021-04-22T03:59:10.99 |
IV.SEI.HHN. | ML:1.8 | 0.0006146794499999999 | 0.1824 | AML | other | m | 2021-04-22T03:59:10.93 |
IV.RONT.HHE. | ML:1.6 | 0.0003185 | 0.14 | AML | other | m | 2021-04-22T03:59:15.17 |
IV.RONT.HHN. | ML:1.5 | 0.00029900000000000006 | 0.1 | AML | other | m | 2021-04-22T03:59:15.11 |
IV.LMD.HHE. | ML:0.5 | 0.000032224130000000004 | 0.3392 | AML | other | m | 2021-04-22T03:59:17.66 |
IV.LMD.HHN. | ML:0.7 | 0.0000466 | 1.56 | AML | other | m | 2021-04-22T03:59:16.87 |
IV.ASQU.HHN. | ML:0.7 | 0.00001745 | 0.46 | AML | other | m | 2021-04-22T03:59:27.60 |
IV.ASQU.HHE. | ML:0.7 | 0.00001525 | 0.42 | AML | other | m | 2021-04-22T03:59:59.57 |
IV.BRIS.HHE. | ML:0.9 | 0.000053229645 | 0.4576 | AML | other | m | 2021-04-22T03:59:18.31 |
IV.BRIS.HHN. | ML:1.0 | 0.000067308605 | 0.32 | AML | other | m | 2021-04-22T03:59:20.30 |
IV.BRIS.HNE. | ML:1.3 | 0.00013328234999999999 | 0.9408 | AML | other | m | 2021-04-22T03:59:23.10 |
IV.BRIS.HNN. | ML:1.6 | 0.00026901549999999995 | 0.7712 | AML | other | m | 2021-04-22T03:59:22.13 |
IV.RUFI.EHE. | ML:1.5 | 0.00013633109999999999 | 14.88 | AML | other | m | 2021-04-22T03:59:11.50 |
IV.RUFI.EHN. | ML:1.3 | 0.00008749365500000001 | 20.7808 | AML | other | m | 2021-04-22T03:59:12.11 |