A magnitude ML 1.9 earthquake occured in region: 5 km SE Castel del Rio (BO), on
and geographic coordinates (lat, lon) 44.1810, 11.5400 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 | 5 | 1246 | 1246 |
Palazzuolo sul Senio | FI | 8 | 1154 | 2400 |
Casola Valsenio | RA | 8 | 2617 | 5017 |
Fontanelice | BO | 9 | 1943 | 6960 |
Borgo Tossignano | BO | 12 | 3288 | 10248 |
Marradi | FI | 13 | 3139 | 13387 |
Casalfiumanese | BO | 14 | 3438 | 16825 |
Firenzuola | FI | 15 | 4726 | 21551 |
Riolo Terme | RA | 18 | 5720 | 27271 |
Monghidoro | BO | 18 | 3749 | 31020 |
Brisighella | RA | 19 | 7639 | 38659 |
Monterenzio | BO | 19 | 6035 | 44694 |
Tredozio | FC | 20 | 1212 | 45906 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.9 | 2021-03-09 23:49:10 |
44.1812 | 11.5402 | 29 | 2021-07-12 16:55:02 |
Bollettino Sismico Italiano INGV | 88272561 |
Reviewed Rev100 |
ML 1.8 | 2021-03-09 23:49:11 |
44.1863 | 11.5425 | 26 | 2021-03-09 23:54:42 |
Sala Sismica INGV-Roma | 87955851 |
Field | Value |
---|---|
Time (UTC) | 2021-03-09 23:49:10 ± 0.34 |
Latitude | 44.1812 ± 0.0126 |
Longitude | 11.5402 ± 0.0176 |
Depth (km) | 29 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 88272561 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1242 |
Semi-minor axis of confidence ellipse (meter) | 931 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 127 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1260.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 71 |
Number of associated phases, regardless of their use for origin computation | 22 |
Number of defining phases | 22 |
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) | 0.07644 |
Epicentral distance of station farthest from the epicenter (degree) | 0.42358 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | 0.3 |
Num. used stations | 22 |
Type of magnitude | ML |
Reference to an origin | 88272561 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-05-08 01:15:40 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.3 |
Num. used stations | 22 |
Type of magnitude | ML |
Reference to an origin | 87955851 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-03-09 23:54:42 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SFI.EHZ. | 2021-03-09T23:49:25.68 | 0.3 | undecidable | manual | S | 141 | 39.2274 | 121 | 0.45 | 65 |
IV.MOCL.EHZ. | 2021-03-09T23:49:24.59 | 0.6 | undecidable | manual | S | 236 | 34.6431 | 125 | 0.38 | 45 |
IV.RINC.HHN. | 2021-03-09T23:49:24.05 | 0.6 | undecidable | manual | S | 171 | 33.1446 | 126 | 0.17 | 47 |
IV.IMOL.EHZ. | 2021-03-09T23:49:23.86 | 0.3 | undecidable | manual | S | 39 | 25.4523 | 134 | 1.54 | 42 |
IV.RONT.HHZ. | 2021-03-09T23:49:22.12 | 0.6 | undecidable | manual | S | 202 | 22.4553 | 138 | 0.35 | 46 |
IV.MTRZ.HHZ. | 2021-03-09T23:49:22.00 | 0.3 | undecidable | manual | S | 328 | 17.2716 | 146 | 1.09 | 54 |
IV.SEI.HHZ. | 2021-03-09T23:49:21.22 | 0.6 | undecidable | manual | S | 226 | 20.1687 | 142 | -0.15 | 48 |
IV.BRIS.HHZ. | 2021-03-09T23:49:21.01 | 0.6 | undecidable | manual | S | 75 | 18.6702 | 144 | -0.11 | 49 |
IV.LMD.HHZ. | 2021-03-09T23:49:20.21 | 0.6 | undecidable | manual | S | 131 | 17.5713 | 146 | -0.75 | 42 |
IV.ASQU.HHZ. | 2021-03-09T23:49:20.42 | 0.1 | undecidable | manual | P | 155 | 47.0196 | 116 | 0.18 | 92 |
IV.SFI.EHZ. | 2021-03-09T23:49:19.02 | 0.1 | undecidable | manual | P | 141 | 39.2274 | 121 | -0.16 | 94 |
IV.RUFI.EHZ. | 2021-03-09T23:49:19.23 | 0.1 | undecidable | manual | P | 184 | 38.1285 | 122 | 0.19 | 93 |
IV.VISG.HHZ. | 2021-03-09T23:49:18.86 | 0.6 | undecidable | manual | S | 276 | 8.4804 | 162 | -1.02 | 36 |
IV.MOCL.EHZ. | 2021-03-09T23:49:18.74 | 0.1 | undecidable | manual | P | 236 | 34.6431 | 125 | 0.15 | 95 |
IV.RINC.HHN. | 2021-03-09T23:49:18.47 | 0.1 | undecidable | manual | P | 171 | 33.1446 | 126 | 0.07 | 96 |
IV.RONT.HHZ. | 2021-03-09T23:49:17.19 | 0.1 | undecidable | manual | P | 202 | 22.4553 | 138 | 0.01 | 100 |
IV.IMOL.EHZ. | 2021-03-09T23:49:17.71 | 0.1 | undecidable | manual | P | 39 | 25.4523 | 134 | 0.21 | 96 |
IV.LMD.HHZ. | 2021-03-09T23:49:16.12 | 0.1 | positive | manual | P | 131 | 17.5713 | 146 | -0.6 | 87 |
IV.MTRZ.HHZ. | 2021-03-09T23:49:16.72 | 0.1 | positive | manual | P | 328 | 17.2716 | 146 | 0.04 | 100 |
IV.BRIS.HHZ. | 2021-03-09T23:49:16.40 | 0.1 | positive | manual | P | 75 | 18.6702 | 144 | -0.41 | 92 |
IV.SEI.HHZ. | 2021-03-09T23:49:16.68 | 0.1 | positive | manual | P | 226 | 20.1687 | 142 | -0.27 | 94 |
IV.VISG.HHZ. | 2021-03-09T23:49:15.33 | 0.1 | positive | manual | P | 276 | 8.4804 | 162 | -0.76 | 82 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VISG.HHE. | ML:1.9 | 0.0004385 | 1.82 | AML | other | m | 2021-03-09T23:49:19.06 |
IV.VISG.HHN. | ML:1.8 | 0.000367 | 0.74 | AML | other | m | 2021-03-09T23:49:19.16 |
IV.LMD.HHE. | ML:1.8 | 0.0003005 | 0.72 | AML | other | m | 2021-03-09T23:49:20.46 |
IV.LMD.HHN. | ML:1.6 | 0.0001665 | 0.16 | AML | other | m | 2021-03-09T23:49:20.49 |
IV.BRIS.HHN. | ML:2.1 | 0.0006395 | 0.36 | AML | other | m | 2021-03-09T23:49:21.42 |
IV.BRIS.HHE. | ML:2.1 | 0.0005859999999999999 | 1 | AML | other | m | 2021-03-09T23:49:21.89 |
IV.SEI.HHE. | ML:2.2 | 0.0006659999999999999 | 0.52 | AML | other | m | 2021-03-09T23:49:21.98 |
IV.SEI.HHN. | ML:2.6 | 0.00184 | 0.26 | AML | other | m | 2021-03-09T23:49:21.75 |
IV.RONT.HHE. | ML:2.4 | 0.001035 | 0.46 | AML | other | m | 2021-03-09T23:49:22.52 |
IV.RONT.HHN. | ML:2.1 | 0.0005349999999999999 | 0.42 | AML | other | m | 2021-03-09T23:49:22.59 |
IV.MTRZ.HHN. | ML:1.8 | 0.00026700000000000004 | 0.76 | AML | other | m | 2021-03-09T23:49:22.99 |
IV.MTRZ.HNN. | ML:1.8 | 0.0002963295 | 0.7584 | AML | other | m | 2021-03-09T23:49:22.00 |
IV.MTRZ.HHE. | ML:1.8 | 0.000296 | 0.32 | AML | other | m | 2021-03-09T23:49:23.50 |
IV.MTRZ.HNE. | ML:1.8 | 0.00028001825 | 0.3072 | AML | other | m | 2021-03-09T23:49:23.66 |
IV.MOCL.EHN. | ML:1.5 | 0.00010095 | 1.32 | AML | other | m | 2021-03-09T23:49:24.33 |
IV.IMOL.HNE. | ML:2.1 | 0.0005254757999999999 | 0.3072 | AML | other | m | 2021-03-09T23:49:24.97 |
IV.IMOL.HNN. | ML:2.0 | 0.00038626085 | 1.7568 | AML | other | m | 2021-03-09T23:49:25.97 |
IV.MOCL.EHE. | ML:1.6 | 0.0001105 | 0.28 | AML | other | m | 2021-03-09T23:49:25.41 |
IV.SFI.EHN. | ML:1.5 | 0.0000935 | 0.94 | AML | other | m | 2021-03-09T23:49:26.23 |
IV.SFI.EHE. | ML:1.5 | 0.0000829 | 0.46 | AML | other | m | 2021-03-09T23:49:26.22 |
IV.ASQU.HHE. | ML:1.3 | 0.000045600000000000004 | 0.46 | AML | other | m | 2021-03-09T23:49:29.05 |
IV.ASQU.HHN. | ML:1.3 | 0.00004755 | 0.64 | AML | other | m | 2021-03-09T23:49:29.44 |