A magnitude ML 1.6 earthquake occured in region: 5 km N Marradi (FI), on
and geographic coordinates (lat, lon) 44.1220, 11.6220 at 9 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
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 | 18 | 3288 | 27554 |
Rocca San Casciano | FC | 19 | 1910 | 29464 |
Riolo Terme | RA | 19 | 5720 | 35184 |
Firenzuola | FI | 19 | 4726 | 39910 |
Casalfiumanese | BO | 20 | 3438 | 43348 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.6 | 2020-06-01 11:48:27 |
44.1225 | 11.6217 | 9 | 2020-11-19 12:36:48 |
Bollettino Sismico Italiano INGV | 80091691 |
Reviewed Rev100 |
ML 1.7 | 2020-06-01 11:48:27 |
44.1318 | 11.6222 | 10 | 2020-06-01 12:00:56 |
Sala Sismica INGV-Roma | 79782161 |
Field | Value |
---|---|
Time (UTC) | 2020-06-01 11:48:27 ± 0.08 |
Latitude | 44.1225 ± 0.0045 |
Longitude | 11.6217 ± 0.0063 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 80091691 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 480 |
Semi-minor axis of confidence ellipse (meter) | 379 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 104 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 480.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 81 |
Number of associated phases, regardless of their use for origin computation | 25 |
Number of defining phases | 25 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.31 |
Epicentral distance of station closest to the epicenter (degree) | 0.07644 |
Epicentral distance of station farthest from the epicenter (degree) | 0.41549 |
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 | 1.6 |
Uncertainty | 0.3 |
Num. used stations | 18 |
Type of magnitude | ML |
Reference to an origin | 80091691 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-06-11 15:11:51 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.3 |
Num. used stations | 22 |
Type of magnitude | ML |
Reference to an origin | 79782161 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-06-01 12:00:56 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MPPT.EHZ. | 2020-06-01T11:48:43.37 | 0.6 | undecidable | manual | S | 247 | 46.1205 | 50 | 0.58 | 41 |
IV.ASQU.HHZ. | 2020-06-01T11:48:41.17 | 0.3 | undecidable | manual | S | 160 | 38.5281 | 50 | 0.42 | 66 |
IV.FNVD.HHZ. | 2020-06-01T11:48:41.23 | 0.3 | undecidable | manual | S | 277 | 40.0266 | 50 | 0.08 | 71 |
IV.RUFI.EHZ. | 2020-06-01T11:48:39.19 | 0.3 | undecidable | manual | S | 196 | 32.8449 | 50 | -0.03 | 73 |
IV.IMOL.EHZ. | 2020-06-01T11:48:39.15 | 0.3 | undecidable | manual | S | 20 | 27.9498 | 108 | 1.32 | 46 |
IV.SFI.EHZ. | 2020-06-01T11:48:38.59 | 0.3 | undecidable | manual | S | 143 | 30.1476 | 50 | 0.09 | 72 |
IV.RINC.HHZ. | 2020-06-01T11:48:37.35 | 0.3 | undecidable | manual | S | 183 | 26.2515 | 109 | 0.11 | 72 |
IV.SEI.HHZ. | 2020-06-01T11:48:36.15 | 0.3 | undecidable | manual | S | 250 | 22.2555 | 113 | 0.17 | 72 |
IV.RONT.HHZ. | 2020-06-01T11:48:36.15 | 0.3 | undecidable | manual | S | 227 | 20.7681 | 114 | 0.66 | 63 |
IV.MPPT.EHZ. | 2020-06-01T11:48:36.37 | 0.3 | undecidable | manual | P | 247 | 46.1205 | 50 | 0 | 71 |
IV.FNVD.HHZ. | 2020-06-01T11:48:35.14 | 0.1 | undecidable | manual | P | 277 | 40.0266 | 50 | -0.28 | 91 |
IV.ASQU.HHZ. | 2020-06-01T11:48:34.92 | 0.1 | undecidable | manual | P | 160 | 38.5281 | 50 | -0.27 | 91 |
IV.RUFI.EHZ. | 2020-06-01T11:48:34.06 | 0.1 | undecidable | manual | P | 196 | 32.8449 | 50 | -0.25 | 92 |
IV.RINC.HHZ. | 2020-06-01T11:48:33.15 | 0.1 | undecidable | manual | P | 183 | 26.2515 | 109 | -0.02 | 98 |
IV.IMOL.EHZ. | 2020-06-01T11:48:33.59 | 0.1 | undecidable | manual | P | 20 | 27.9498 | 108 | 0.08 | 97 |
IV.SFI.EHZ. | 2020-06-01T11:48:33.69 | 0.1 | undecidable | manual | P | 143 | 30.1476 | 50 | -0.2 | 94 |
IV.VISG.HHZ. | 2020-06-01T11:48:33.76 | 0.3 | undecidable | manual | S | 296 | 16.6722 | 119 | -0.44 | 68 |
IV.MTRZ.HNN. | 2020-06-01T11:48:33.56 | 0.3 | undecidable | manual | P | 324 | 26.2515 | 109 | 0.38 | 68 |
IV.BRIS.HHZ. | 2020-06-01T11:48:33.97 | 0.3 | undecidable | manual | S | 45 | 16.1727 | 120 | -0.09 | 74 |
IV.SEI.HHZ. | 2020-06-01T11:48:32.20 | 0.1 | undecidable | manual | P | 250 | 22.2555 | 113 | -0.24 | 95 |
IV.RONT.HHZ. | 2020-06-01T11:48:32.25 | 0.1 | undecidable | manual | P | 227 | 20.7681 | 114 | 0.09 | 98 |
IV.VISG.HHZ. | 2020-06-01T11:48:31.01 | 0.1 | undecidable | manual | P | 296 | 16.6722 | 119 | -0.4 | 92 |
IV.BRIS.HHZ. | 2020-06-01T11:48:31.07 | 0.1 | undecidable | manual | P | 45 | 16.1727 | 120 | -0.26 | 95 |
IV.LMD.HHZ. | 2020-06-01T11:48:31.91 | 0.3 | undecidable | manual | S | 126 | 8.4804 | 138 | -0.04 | 76 |
IV.LMD.HHZ. | 2020-06-01T11:48:30.03 | 0.1 | undecidable | manual | P | 126 | 8.4804 | 138 | -0.08 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LMD.HHE. | ML:1.7 | 0.0008105 | 0.42 | AML | other | m | 2020-06-01T11:48:32.32 |
IV.LMD.HHN. | ML:1.7 | 0.0008115 | 0.16 | AML | other | m | 2020-06-01T11:48:33.45 |
IV.VISG.HHN. | ML:2.0 | 0.000933 | 0.1 | AML | other | m | 2020-06-01T11:48:34.17 |
IV.BRIS.HHN. | ML:2.0 | 0.0010329999999999998 | 0.98 | AML | other | m | 2020-06-01T11:48:34.18 |
IV.BRIS.HHE. | ML:2.2 | 0.001371 | 0.14 | AML | other | m | 2020-06-01T11:48:34.22 |
IV.VISG.HHE. | ML:1.8 | 0.0005064999999999999 | 1.02 | AML | other | m | 2020-06-01T11:48:34.43 |
IV.RINC.HHN. | ML:1.6 | 0.00020649999999999998 | 0.32 | AML | other | m | 2020-06-01T11:48:38.27 |
IV.RINC.HHE. | ML:1.7 | 0.00029549999999999997 | 0.76 | AML | other | m | 2020-06-01T11:48:38.54 |
IV.SFI.EHE. | ML:1.4 | 0.00010815 | 0.52 | AML | other | m | 2020-06-01T11:48:39.39 |
IV.SFI.EHN. | ML:1.2 | 0.00008675 | 0.56 | AML | other | m | 2020-06-01T11:48:39.47 |
IV.RUFI.EHE. | ML:1.4 | 0.00010105963 | 0.224 | AML | other | m | 2020-06-01T11:48:39.58 |
IV.RUFI.EHN. | ML:1.1 | 0.000056282735 | 0.1984 | AML | other | m | 2020-06-01T11:48:39.68 |
IV.FNVD.HHN. | ML:1.9 | 0.0002755 | 1.06 | AML | other | m | 2020-06-01T11:48:42.05 |
IV.FNVD.HHE. | ML:1.8 | 0.00023999999999999998 | 0.6 | AML | other | m | 2020-06-01T11:48:42.04 |
IV.ASQU.HHN. | ML:1.5 | 0.00010750000000000001 | 0.78 | AML | other | m | 2020-06-01T11:48:42.82 |
IV.ASQU.HHE. | ML:1.5 | 0.000104 | 0.82 | AML | other | m | 2020-06-01T11:48:42.53 |
IV.MPPT.EHE. | ML:1.2 | 0.000050350000000000004 | 0.2 | AML | other | m | 2020-06-01T11:48:44.38 |
IV.MPPT.EHN. | ML:1.2 | 0.0000479 | 0.22 | AML | other | m | 2020-06-01T11:48:44.60 |