A magnitude ML 1.1 earthquake occured in region: 2 km SE Castel del Rio (BO), on
and geographic coordinates (lat, lon) 44.2010, 11.5300 at 29 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 |
---|---|---|---|---|
Castel del Rio | BO | 3 | 1246 | 1246 |
Fontanelice | BO | 7 | 1943 | 3189 |
Casola Valsenio | RA | 8 | 2617 | 5806 |
Palazzuolo sul Senio | FI | 10 | 1154 | 6960 |
Borgo Tossignano | BO | 10 | 3288 | 10248 |
Casalfiumanese | BO | 13 | 3438 | 13686 |
Firenzuola | FI | 15 | 4726 | 18412 |
Marradi | FI | 15 | 3139 | 21551 |
Monterenzio | BO | 17 | 6035 | 27586 |
Monghidoro | BO | 17 | 3749 | 31335 |
Riolo Terme | RA | 18 | 5720 | 37055 |
Loiano | BO | 18 | 4294 | 41349 |
Brisighella | RA | 19 | 7639 | 48988 |
Dozza | BO | 19 | 6652 | 55640 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.1 | 2020-09-01 11:23:47 |
44.2008 | 11.5302 | 29 | 2021-02-26 14:56:06 |
Bollettino Sismico Italiano INGV | 84963321 |
Reviewed Rev100 |
ML 1.1 | 2020-09-01 11:23:47 |
44.1573 | 11.5447 | 30 | 2020-09-01 11:29:49 |
Sala Sismica INGV-Roma | 82529501 |
Field | Value |
---|---|
Time (UTC) | 2020-09-01 11:23:47 ± 0.56 |
Latitude | 44.2008 ± 0.0198 |
Longitude | 11.5302 ± 0.0326 |
Depth (km) | 29 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 84963321 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2447 |
Semi-minor axis of confidence ellipse (meter) | 1709 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 135 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2450.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 116 |
Number of associated phases, regardless of their use for origin computation | 28 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.44 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.31926 |
Number of stations at which the event was observed | 20 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.3 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 82529501 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-09-01 11:29:49 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.3 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 84963321 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-11-23 09:50:13 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ROSPO.HHZ. | 2020-09-01T11:25:27.49 | 3.0 | undecidable | manual | Sg | 10.63 | 0 | |||
IV.CRJA.HHZ. | 2020-09-01T11:25:25.86 | 3.0 | undecidable | manual | Pn | 2.42 | 0 | |||
IV.CRAC.EHZ. | 2020-09-01T11:25:24.82 | 3.0 | undecidable | manual | Pg | 20.07 | 0 | |||
IV.PTRP.HHZ. | 2020-09-01T11:25:21.16 | 3.0 | undecidable | manual | Pg | 20.33 | 0 | |||
IV.PTRJ.HNZ. | 2020-09-01T11:25:19.75 | 3.0 | undecidable | manual | Sn | -9.48 | 0 | |||
IT.PLTA.HNZ. | 2020-09-01T11:25:16.16 | 3.0 | undecidable | manual | Sn | -5.41 | 0 | |||
GU.TRAV.HHZ. | 2020-09-01T11:25:04.70 | 3.0 | undecidable | manual | Sn | 2.53 | 0 | |||
SL.KOGS.BHZ. | 2020-09-01T11:24:53.07 | 3.0 | undecidable | manual | Pg | 14.1 | 0 | |||
IV.ROSPO.HHZ. | 2020-09-01T11:24:44.38 | 3.0 | undecidable | manual | Pg | 9.09 | 0 | |||
IV.QLNO.HHZ. | 2020-09-01T11:24:41.81 | 3.0 | undecidable | manual | Sn | -8.24 | 0 | |||
GU.TRAV.HHZ. | 2020-09-01T11:24:38.87 | 3.0 | positive | manual | Pg | 11.83 | 0 | |||
IV.ARVD.HHZ. | 2020-09-01T11:24:27.67 | 3.0 | undecidable | manual | Sn | -2.37 | 0 | |||
IV.CADC.HNZ. | 2020-09-01T11:24:26.28 | 3.0 | undecidable | manual | Sg | 2.09 | 0 | |||
ST.PANI.EHZ. | 2020-09-01T11:24:24.20 | 3.0 | undecidable | manual | Sn | -2.07 | 0 | |||
IV.ARRO.EHZ. | 2020-09-01T11:24:21.44 | 3.0 | negative | manual | Pg | 2.34 | 0 | |||
IV.RINC.HHN. | 2020-09-01T11:24:01.30 | 0.3 | undecidable | manual | S | 170 | 35.4423 | 125 | 0.07 | 75 |
IV.RONT.HHZ. | 2020-09-01T11:23:59.39 | 0.3 | undecidable | manual | S | 199 | 24.2535 | 136 | 0.43 | 70 |
IV.SEI.HHZ. | 2020-09-01T11:23:58.50 | 0.3 | undecidable | manual | S | 220 | 21.2676 | 141 | 0.08 | 75 |
IV.BRIS.HHZ. | 2020-09-01T11:23:58.34 | 0.6 | undecidable | manual | S | 82 | 18.9699 | 144 | 0.29 | 49 |
IV.MTRZ.HHE. | 2020-09-01T11:23:58.95 | 0.6 | undecidable | manual | S | 326 | 14.9739 | 150 | 1.48 | 28 |
IV.VISG.HHZ. | 2020-09-01T11:23:55.86 | 0.3 | undecidable | manual | S | 260 | 7.7811 | 164 | -0.86 | 63 |
GU.GSCL.HHZ. | 2020-09-01T11:23:55.10 | 3.0 | positive | manual | P | -2.69 | 0 | |||
IV.RINC.HHN. | 2020-09-01T11:23:55.53 | 0.1 | undecidable | manual | P | 170 | 35.4423 | 125 | 0.02 | 100 |
IV.RONT.HHZ. | 2020-09-01T11:23:54.22 | 0.3 | undecidable | manual | P | 199 | 24.2535 | 136 | 0.01 | 76 |
IV.MTRZ.HHE. | 2020-09-01T11:23:53.70 | 0.3 | undecidable | manual | P | 326 | 14.9739 | 150 | 0.35 | 72 |
IV.SEI.HHZ. | 2020-09-01T11:23:53.84 | 0.3 | undecidable | manual | P | 220 | 21.2676 | 141 | -0.06 | 77 |
IV.BRIS.HHZ. | 2020-09-01T11:23:53.56 | 0.3 | undecidable | manual | P | 82 | 18.9699 | 144 | -0.12 | 75 |
IV.VISG.HHZ. | 2020-09-01T11:23:52.35 | 0.1 | positive | manual | P | 260 | 7.7811 | 164 | -0.56 | 94 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VISG.HHE. | ML:1.0 | 0.000046 | 0.14 | AML | other | m | 2020-09-01T11:23:55.99 |
IV.VISG.HHN. | ML:0.9 | 0.0000413 | 0.32 | AML | other | m | 2020-09-01T11:23:56.27 |
IV.SEI.HHN. | ML:1.6 | 0.0001805 | 0.22 | AML | other | m | 2020-09-01T11:23:58.75 |
IV.SEI.HHE. | ML:1.3 | 0.0000751 | 1.56 | AML | other | m | 2020-09-01T11:23:58.01 |