A magnitude ML 1.1 earthquake occured in region: 3 km SE Dozza (BO), on
and geographic coordinates (lat, lon) 44.3400, 11.6590 at 23 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 |
---|---|---|---|---|
Dozza | BO | 3 | 6652 | 6652 |
Imola | BO | 5 | 69797 | 76449 |
Casalfiumanese | BO | 6 | 3438 | 79887 |
Castel San Pietro Terme | BO | 9 | 20811 | 100698 |
Riolo Terme | RA | 9 | 5720 | 106418 |
Borgo Tossignano | BO | 9 | 3288 | 109706 |
Castel Guelfo di Bologna | BO | 11 | 4455 | 114161 |
Castel Bolognese | RA | 11 | 9554 | 123715 |
Fontanelice | BO | 12 | 1943 | 125658 |
Casola Valsenio | RA | 13 | 2617 | 128275 |
Mordano | BO | 14 | 4760 | 133035 |
Bagnara di Romagna | RA | 14 | 2429 | 135464 |
Solarolo | RA | 15 | 4488 | 139952 |
Medicina | BO | 15 | 16739 | 156691 |
Brisighella | RA | 16 | 7639 | 164330 |
Massa Lombarda | RA | 18 | 10653 | 174983 |
Ozzano dell'Emilia | BO | 19 | 13596 | 188579 |
Castel del Rio | BO | 19 | 1246 | 189825 |
Faenza | RA | 19 | 58541 | 248366 |
Sant'Agata sul Santerno | RA | 20 | 2862 | 251228 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2021-08-11 03:12:48 |
44.3398 | 11.6593 | 23 | 2021-08-11 11:52:40 |
Sala Sismica INGV-Roma | 93964391 |
Field | Value |
---|---|
Time (UTC) | 2021-08-11 03:12:48 ± 0.5 |
Latitude | 44.3398 ± 0.0297 |
Longitude | 11.6593 ± 0.0251 |
Depth (km) | 23 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 93964391 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 3756 |
Semi-minor axis of confidence ellipse (meter) | 331 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 28 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 3760.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 245 |
Number of associated phases, regardless of their use for origin computation | 10 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.32 |
Epicentral distance of station closest to the epicenter (degree) | 0.13850 |
Epicentral distance of station farthest from the epicenter (degree) | 0.45506 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 93964391 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-11 11:52:40 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SFI.EHZ. | 2021-08-11T03:13:05.60 | 0.6 | undecidable | manual | S | 163 | 50.5161 | 108 | 0.76 | 36 |
IV.LMD.HHZ. | 2021-08-11T03:12:59.29 | 0.6 | undecidable | manual | S | 173 | 29.3484 | 122 | -0.38 | 48 |
IV.VISG.HHZ. | 2021-08-11T03:12:58.19 | 0.6 | undecidable | manual | S | 227 | 24.4533 | 127 | -0.41 | 48 |
IV.SFI.EHZ. | 2021-08-11T03:12:57.97 | 1.0 | undecidable | manual | P | 163 | 50.5161 | 108 | 0.09 | 24 |
IV.MTRZ.HNZ. | 2021-08-11T03:12:57.75 | 0.3 | undecidable | manual | S | 261 | 18.87 | 136 | 0.27 | 71 |
IV.BRIS.HHZ. | 2021-08-11T03:12:56.96 | 0.6 | undecidable | manual | S | 146 | 15.3735 | 142 | 0.09 | 49 |
IV.LMD.HHZ. | 2021-08-11T03:12:54.53 | 0.6 | negative | manual | P | 173 | 29.3484 | 122 | -0.37 | 46 |
IV.BRIS.HHZ. | 2021-08-11T03:12:53.27 | 0.1 | negative | manual | P | 146 | 15.3735 | 142 | -0.01 | 100 |
IV.MTRZ.HNZ. | 2021-08-11T03:12:53.84 | 0.1 | undecidable | manual | P | 261 | 18.87 | 136 | 0.2 | 99 |
IV.VISG.HHZ. | 2021-08-11T03:12:53.86 | 0.3 | negative | manual | P | 227 | 24.4533 | 127 | -0.42 | 69 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.BRIS.HHE. | ML:1.2 | 0.00009570000000000001 | 0.4 | AML | other | m | 2021-08-11T03:12:57.01 |
IV.BRIS.HHN. | ML:1.4 | 0.000131 | 0.26 | AML | other | m | 2021-08-11T03:12:57.26 |
IV.VISG.HHN. | ML:1.0 | 0.000039649999999999995 | 1.3 | AML | other | m | 2021-08-11T03:12:59.27 |
IV.LMD.HHE. | ML:0.8 | 0.000027049999999999997 | 0.3 | AML | other | m | 2021-08-11T03:12:59.44 |
IV.VISG.HHE. | ML:1.0 | 0.0000432 | 0.1 | AML | other | m | 2021-08-11T03:12:59.50 |
IV.LMD.HHN. | ML:1.0 | 0.00003625000000000001 | 0.34 | AML | other | m | 2021-08-11T03:13:00.28 |