A magnitude ML 1.1 earthquake occured in region: 4 km SW Riolo Terme (RA), on
and geographic coordinates (lat, lon) 44.2590, 11.6900 at 23 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 |
---|---|---|---|---|
Riolo Terme | RA | 4 | 5720 | 5720 |
Casola Valsenio | RA | 7 | 2617 | 8337 |
Casalfiumanese | BO | 7 | 3438 | 11775 |
Brisighella | RA | 8 | 7639 | 19414 |
Borgo Tossignano | BO | 8 | 3288 | 22702 |
Fontanelice | BO | 10 | 1943 | 24645 |
Imola | BO | 11 | 69797 | 94442 |
Castel Bolognese | RA | 11 | 9554 | 103996 |
Dozza | BO | 12 | 6652 | 110648 |
Modigliana | FC | 14 | 4560 | 115208 |
Castel del Rio | BO | 16 | 1246 | 116454 |
Faenza | RA | 16 | 58541 | 174995 |
Solarolo | RA | 17 | 4488 | 179483 |
Castel San Pietro Terme | BO | 18 | 20811 | 200294 |
Bagnara di Romagna | RA | 18 | 2429 | 202723 |
Mordano | BO | 18 | 4760 | 207483 |
Castel Guelfo di Bologna | BO | 19 | 4455 | 211938 |
Palazzuolo sul Senio | FI | 20 | 1154 | 213092 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.1 | 2020-07-10 14:20:45 |
44.2587 | 11.6897 | 23 | 2020-11-19 12:37:02 |
Bollettino Sismico Italiano INGV | 83097401 |
Reviewed Rev100 |
ML 1.2 | 2020-07-10 14:20:44 |
44.2745 | 11.71 | 25 | 2020-07-10 14:34:32 |
Sala Sismica INGV-Roma | 80928101 |
Field | Value |
---|---|
Time (UTC) | 2020-07-10 14:20:45 ± 0.5 |
Latitude | 44.2587 ± 0.0153 |
Longitude | 11.6897 ± 0.0201 |
Depth (km) | 23 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 83097401 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1710 |
Semi-minor axis of confidence ellipse (meter) | 702 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 199 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1710.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 101 |
Number of associated phases, regardless of their use for origin computation | 11 |
Number of defining phases | 11 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.41 |
Epicentral distance of station closest to the epicenter (degree) | 0.06475 |
Epicentral distance of station farthest from the epicenter (degree) | 0.31296 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 83097401 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-09-21 10:24:22 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 80928101 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-07-10 14:34:32 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SEI.HHZ. | 2020-07-10T14:20:58.08 | 0.3 | undecidable | manual | S | 229 | 34.743 | 116 | 0.26 | 69 |
IV.MTRZ.HHE. | 2020-07-10T14:20:55.69 | 0.6 | undecidable | manual | S | 286 | 21.867 | 131 | 0.76 | 39 |
IV.VISG.HHZ. | 2020-07-10T14:20:54.19 | 0.3 | undecidable | manual | S | 249 | 21.7671 | 131 | -0.71 | 63 |
IV.LMD.HHZ. | 2020-07-10T14:20:54.13 | 0.6 | undecidable | manual | S | 176 | 20.1687 | 133 | -0.46 | 44 |
IV.SEI.HHZ. | 2020-07-10T14:20:52.89 | 0.3 | undecidable | manual | P | 229 | 34.743 | 116 | 0.35 | 67 |
IV.BRIS.HHZ. | 2020-07-10T14:20:52.88 | 0.3 | undecidable | manual | S | 122 | 7.1928 | 160 | 0.22 | 74 |
IV.MTRZ.HHE. | 2020-07-10T14:20:51.09 | 0.3 | undecidable | manual | P | 286 | 21.867 | 131 | 0.22 | 71 |
IV.VISG.HHZ. | 2020-07-10T14:20:50.28 | 0.1 | undecidable | manual | P | 249 | 21.7671 | 131 | -0.57 | 88 |
IV.LMD.HHZ. | 2020-07-10T14:20:50.93 | 0.3 | undecidable | manual | P | 176 | 20.1687 | 133 | 0.26 | 71 |
IV.BRIS.HHZ. | 2020-07-10T14:20:49.67 | 0.1 | undecidable | manual | P | 122 | 7.1928 | 160 | 0.12 | 100 |
IV.IMOL.HNZ. | 2020-07-10T14:20:49.66 | 0.1 | undecidable | manual | P | 21 | 11.9769 | 149 | -0.21 | 96 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.BRIS.HHE. | ML:1.4 | 0.00014850000000000003 | 0.38 | AML | other | m | 2020-07-10T14:20:53.04 |
IV.BRIS.HHN. | ML:1.2 | 0.00010439999999999999 | 0.24 | AML | other | m | 2020-07-10T14:20:53.27 |
IV.VISG.HHE. | ML:1.3 | 0.00008915000000000001 | 0.36 | AML | other | m | 2020-07-10T14:20:55.77 |
IV.LMD.HHN. | ML:0.8 | 0.000028200000000000004 | 0.58 | AML | other | m | 2020-07-10T14:20:56.30 |
IV.VISG.HHN. | ML:1.2 | 0.00008685000000000001 | 1.7 | AML | other | m | 2020-07-10T14:20:56.96 |
IV.LMD.HHE. | ML:0.7 | 0.0000242 | 0.74 | AML | other | m | 2020-07-10T14:20:57.50 |