A magnitude ML 0.9 earthquake occured in region: 5 km N Marradi (FI), on
and geographic coordinates (lat, lon) 44.1240, 11.6240 at 9 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 |
---|---|---|---|---|
Marradi | FI | 5 | 3139 | 3139 |
Palazzuolo sul Senio | FI | 6 | 1154 | 4293 |
Tredozio | FC | 11 | 1212 | 5505 |
Casola Valsenio | RA | 11 | 2617 | 8122 |
Castel del Rio | BO | 14 | 1246 | 9368 |
Modigliana | FC | 14 | 4560 | 13928 |
Fontanelice | BO | 16 | 1943 | 15871 |
Brisighella | RA | 16 | 7639 | 23510 |
Portico e San Benedetto | FC | 17 | 756 | 24266 |
Borgo Tossignano | BO | 17 | 3288 | 27554 |
Riolo Terme | RA | 19 | 5720 | 33274 |
Rocca San Casciano | FC | 19 | 1910 | 35184 |
Casalfiumanese | BO | 19 | 3438 | 38622 |
Firenzuola | FI | 20 | 4726 | 43348 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2020-06-01 20:39:34 |
44.1243 | 11.6238 | 9 | 2020-06-01 21:07:31 |
Sala Sismica INGV-Roma | 79796421 |
Field | Value |
---|---|
Time (UTC) | 2020-06-01 20:39:34 ± 0.07 |
Latitude | 44.1243 ± 0.0036 |
Longitude | 11.6238 ± 0.0050 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 79796421 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 375 |
Semi-minor axis of confidence ellipse (meter) | 317 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 74 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 380.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 82 |
Number of associated phases, regardless of their use for origin computation | 35 |
Number of defining phases | 22 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.26 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.34804 |
Number of stations at which the event was observed | 22 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.3 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 79796421 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-06-01 21:07:31 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ILOS.HHZ. | 2020-06-01T20:41:24.01 | 3.0 | negative | manual | Pg | 26.4 | 0 | |||
IV.ROSPO.HHZ. | 2020-06-01T20:41:15.11 | 3.0 | undecidable | manual | Sg | 21.52 | 0 | |||
IV.CRJA.HHZ. | 2020-06-01T20:41:02.90 | 3.0 | undecidable | manual | Pn | 2.16 | 0 | |||
IV.PTRJ.HNZ. | 2020-06-01T20:41:01.28 | 3.0 | undecidable | manual | Sn | -4.14 | 0 | |||
IV.PZUN.HHZ. | 2020-06-01T20:40:50.08 | 3.0 | positive | manual | Pg | 14.49 | 0 | |||
IX.STN3.HHZ.02 | 2020-06-01T20:40:34.06 | 3.0 | undecidable | manual | Pn | -1.86 | 0 | |||
CR.STON.BHZ. | 2020-06-01T20:40:33.12 | 3.0 | positive | manual | Pn | 1.28 | 0 | |||
IV.PTRJ.HNZ. | 2020-06-01T20:40:29.97 | 3.0 | undecidable | manual | Pg | 9.85 | 0 | |||
IV.ROSPO.HHZ. | 2020-06-01T20:40:24.06 | 3.0 | undecidable | manual | Pg | 10.59 | 0 | |||
IV.RMP.HHZ. | 2020-06-01T20:40:12.01 | 3.0 | negative | manual | Pg | 5.03 | 0 | |||
IV.VVLD.HHZ. | 2020-06-01T20:40:08.62 | 3.0 | positive | manual | Pn | -1.05 | 0 | |||
IV.BLLA.EHZ. | 2020-06-01T20:39:55.91 | 3.0 | undecidable | manual | Sn | -0.07 | 0 | |||
IV.ASQU.HHZ. | 2020-06-01T20:39:48.31 | 0.1 | undecidable | manual | S | 160 | 38.628 | 50 | 0.33 | 89 |
IV.RUFI.EHZ. | 2020-06-01T20:39:46.45 | 0.1 | undecidable | manual | S | 196 | 33.0447 | 50 | -0.03 | 96 |
IV.SFI.EHZ. | 2020-06-01T20:39:45.73 | 0.1 | undecidable | manual | S | 144 | 30.1476 | 50 | 0.01 | 97 |
IV.IMOL.EHZ. | 2020-06-01T20:39:45.11 | 0.3 | undecidable | manual | S | 20 | 27.75 | 109 | 0.14 | 71 |
IV.MTRZ.HNE. | 2020-06-01T20:39:44.74 | 0.3 | undecidable | manual | S | 323 | 26.2515 | 110 | 0.28 | 69 |
IV.RINC.HHE. | 2020-06-01T20:39:44.56 | 0.3 | undecidable | manual | S | 183 | 26.4513 | 109 | 0.03 | 73 |
IV.CPGN.EHZ. | 2020-06-01T20:39:43.03 | 3.0 | undecidable | manual | P | 0.19 | 0 | |||
IV.SEI.HHZ. | 2020-06-01T20:39:43.27 | 0.1 | undecidable | manual | S | 250 | 22.5552 | 112 | 0 | 98 |
IV.RONT.HHZ. | 2020-06-01T20:39:43.39 | 0.1 | undecidable | manual | S | 226 | 21.0678 | 114 | 0.6 | 85 |
IV.ASQU.HHZ. | 2020-06-01T20:39:42.46 | 0.1 | undecidable | manual | P | 160 | 38.628 | 50 | 0.04 | 95 |
IV.VISG.HHZ. | 2020-06-01T20:39:41.05 | 0.1 | undecidable | manual | S | 295 | 16.6722 | 119 | -0.4 | 91 |
IV.BRIS.HHZ. | 2020-06-01T20:39:41.19 | 0.1 | undecidable | manual | S | 46 | 15.873 | 120 | -0.01 | 99 |
IV.IMOL.EHZ. | 2020-06-01T20:39:41.08 | 0.3 | undecidable | manual | P | 20 | 27.75 | 109 | 0.4 | 67 |
IV.RUFI.EHZ. | 2020-06-01T20:39:41.24 | 0.1 | undecidable | manual | P | 196 | 33.0447 | 50 | -0.31 | 90 |
IV.SFI.EHZ. | 2020-06-01T20:39:40.85 | 0.1 | undecidable | manual | P | 144 | 30.1476 | 50 | -0.26 | 92 |
IV.MTRZ.HNE. | 2020-06-01T20:39:40.87 | 0.3 | undecidable | manual | P | 323 | 26.2515 | 110 | 0.48 | 66 |
IV.RINC.HHE. | 2020-06-01T20:39:40.30 | 0.3 | undecidable | manual | P | 183 | 26.4513 | 109 | -0.13 | 71 |
IV.RONT.HHZ. | 2020-06-01T20:39:39.48 | 0.1 | undecidable | manual | P | 226 | 21.0678 | 114 | 0.06 | 97 |
IV.LMD.HHZ. | 2020-06-01T20:39:39.15 | 0.1 | undecidable | manual | S | 128 | 8.4804 | 138 | -0.03 | 100 |
IV.SEI.HHZ. | 2020-06-01T20:39:39.50 | 0.1 | positive | manual | P | 250 | 22.5552 | 112 | -0.2 | 94 |
IV.VISG.HHZ. | 2020-06-01T20:39:38.31 | 0.1 | positive | manual | P | 295 | 16.6722 | 119 | -0.33 | 93 |
IV.BRIS.HHZ. | 2020-06-01T20:39:38.34 | 0.1 | positive | manual | P | 46 | 15.873 | 120 | -0.16 | 96 |
IV.LMD.HHZ. | 2020-06-01T20:39:37.24 | 0.1 | undecidable | manual | P | 128 | 8.4804 | 138 | -0.09 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SEI.HHE. | ML:1.1 | 0.00007919999999999999 | 0.28 | AML | other | m | 2020-06-01T20:39:45.01 |
IV.LMD.HHN. | ML:0.7 | 0.00007664999999999999 | 0.66 | AML | other | m | 2020-06-01T20:39:40.44 |
IV.BRIS.HHE. | ML:1.0 | 0.00008785 | 0.36 | AML | other | m | 2020-06-01T20:39:41.29 |
IV.BRIS.HHN. | ML:1.1 | 0.00011355 | 0.22 | AML | other | m | 2020-06-01T20:39:41.41 |
IV.VISG.HHN. | ML:1.0 | 0.0000936 | 0.12 | AML | other | m | 2020-06-01T20:39:41.48 |
IV.VISG.HHE. | ML:0.8 | 0.0000614 | 0.68 | AML | other | m | 2020-06-01T20:39:41.74 |
IV.SEI.HHN. | ML:1.5 | 0.0002 | 0.26 | AML | other | m | 2020-06-01T20:39:43.76 |
IV.RONT.HHN. | ML:1.4 | 0.00016849999999999998 | 1.22 | AML | other | m | 2020-06-01T20:39:43.17 |
IV.RONT.HHE. | ML:1.3 | 0.0001315 | 0.12 | AML | other | m | 2020-06-01T20:39:44.24 |
IV.ASQU.HHE. | ML:0.6 | 0.000013150000000000001 | 0.54 | AML | other | m | 2020-06-01T20:39:48.59 |
IV.ASQU.HHN. | ML:0.6 | 0.000013499999999999998 | 0.18 | AML | other | m | 2020-06-01T20:39:49.46 |