A magnitude ML 1.7 earthquake occured in region: 1 km SE Riolo Terme (RA), on
and geographic coordinates (lat, lon) 44.2680, 11.7350 at 24 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 | 1 | 5720 | 5720 |
Brisighella | RA | 6 | 7639 | 13359 |
Castel Bolognese | RA | 8 | 9554 | 22913 |
Imola | BO | 10 | 69797 | 92710 |
Casola Valsenio | RA | 10 | 2617 | 95327 |
Casalfiumanese | BO | 10 | 3438 | 98765 |
Borgo Tossignano | BO | 12 | 3288 | 102053 |
Faenza | RA | 12 | 58541 | 160594 |
Modigliana | FC | 13 | 4560 | 165154 |
Dozza | BO | 13 | 6652 | 171806 |
Solarolo | RA | 14 | 4488 | 176294 |
Fontanelice | BO | 14 | 1943 | 178237 |
Bagnara di Romagna | RA | 15 | 2429 | 180666 |
Mordano | BO | 16 | 4760 | 185426 |
Castel San Pietro Terme | BO | 19 | 20811 | 206237 |
Castel Guelfo di Bologna | BO | 19 | 4455 | 210692 |
Castel del Rio | BO | 19 | 1246 | 211938 |
Castrocaro Terme e Terra del Sole | FC | 20 | 6426 | 218364 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.7 | 2018-03-29 16:31:23 |
44.2678 | 11.7347 | 24 | 2019-04-24 14:49:46 |
Bollettino Sismico Italiano INGV | 65042581 |
Field | Value |
---|---|
Time (UTC) | 2018-03-29 16:31:23 ± 0.5 |
Latitude | 44.2678 ± 0.0153 |
Longitude | 11.7347 ± 0.0314 |
Depth (km) | 24 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 65042581 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2179 |
Semi-minor axis of confidence ellipse (meter) | 1560 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 285 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2180.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 149 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 12 |
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) | 0.04856 |
Epicentral distance of station farthest from the epicenter (degree) | 0.37142 |
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 | 1.7 |
Uncertainty | 0.3 |
Num. used stations | 15 |
Type of magnitude | ML |
Reference to an origin | 65042581 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2019-01-29 07:58:33 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SFI.EHZ. | 2018-03-29T16:31:38.89 | 0.6 | undecidable | manual | S | 167 | 41.2254 | 114 | 1.2 | 29 |
IV.SEI.HHZ. | 2018-03-29T16:31:36.82 | 0.6 | undecidable | manual | S | 232 | 38.1285 | 116 | -0.12 | 45 |
IV.MTRZ.HHZ. | 2018-03-29T16:31:34.86 | 0.6 | undecidable | manual | S | 282 | 25.1526 | 128 | 0.89 | 45 |
IV.LMD.HHZ. | 2018-03-29T16:31:32.94 | 0.6 | undecidable | manual | S | 186 | 21.2676 | 134 | -0.25 | 46 |
IV.SFI.EHZ. | 2018-03-29T16:31:32.20 | 0.3 | undecidable | manual | P | 167 | 41.2254 | 114 | 0.52 | 56 |
IV.IMOL.EHZ. | 2018-03-29T16:31:31.64 | 0.3 | undecidable | manual | S | 3 | 10.1787 | 155 | 0.19 | 76 |
IV.SEI.HHZ. | 2018-03-29T16:31:30.86 | 0.3 | undecidable | manual | P | 232 | 38.1285 | 116 | -0.38 | 68 |
IV.BRIS.HHZ. | 2018-03-29T16:31:30.82 | 0.6 | undecidable | manual | S | 152 | 5.3946 | 166 | -0.2 | 47 |
IV.MTRZ.HHZ. | 2018-03-29T16:31:29.79 | 0.1 | undecidable | manual | P | 282 | 25.1526 | 128 | 0.26 | 94 |
IV.LMD.HHZ. | 2018-03-29T16:31:28.78 | 0.1 | undecidable | manual | P | 186 | 21.2676 | 134 | -0.3 | 97 |
IV.BRIS.HHZ. | 2018-03-29T16:31:27.58 | 0.1 | undecidable | manual | P | 152 | 5.3946 | 166 | -0.24 | 100 |
IV.IMOL.EHZ. | 2018-03-29T16:31:27.78 | 0.1 | undecidable | manual | P | 3 | 10.1787 | 155 | -0.29 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.BRIS.HHN. | ML:1.8 | 0.00043607709999999997 | 0.2816 | AML | other | m | 2018-03-29T16:31:31.07 |
IV.BRIS.HNN. | ML:1.8 | 0.0004083278 | 0.2688 | AML | other | m | 2018-03-29T16:31:31.07 |
IV.BRIS.HNE. | ML:1.9 | 0.0005654630000000001 | 0.2304 | AML | other | m | 2018-03-29T16:31:30.86 |
IV.BRIS.HHE. | ML:1.9 | 0.0005308655 | 0.1792 | AML | other | m | 2018-03-29T16:31:30.85 |
IV.IMOL.HNN. | ML:2.2 | 0.0010522522 | 0.1792 | AML | other | m | 2018-03-29T16:31:32.12 |
IV.LMD.HHE. | ML:1.4 | 0.00012078325 | 0.1152 | AML | other | m | 2018-03-29T16:31:33.82 |
IV.LMD.HHN. | ML:1.5 | 0.00015717104999999997 | 0.1024 | AML | other | m | 2018-03-29T16:31:34.05 |
IV.MTRZ.HHE. | ML:1.5 | 0.000123842505 | 0.256 | AML | other | m | 2018-03-29T16:31:36.28 |
IV.MTRZ.HHN. | ML:1.4 | 0.00009579601500000001 | 0.3968 | AML | other | m | 2018-03-29T16:31:39.01 |
IV.MTRZ.HNE. | ML:1.4 | 0.000113590115 | 0.256 | AML | other | m | 2018-03-29T16:31:36.28 |
IV.SEI.HHE. | ML:1.7 | 0.00014304185 | 0.2944 | AML | other | m | 2018-03-29T16:31:38.72 |
IV.SEI.HHN. | ML:2.0 | 0.00030539505 | 0.3968 | AML | other | m | 2018-03-29T16:31:37.53 |
IV.SFI.EHE. | ML:1.1 | 0.000033766505 | 0.3584 | AML | other | m | 2018-03-29T16:31:39.20 |
IV.SFI.EHN. | ML:1.5 | 0.00008769667 | 0.2816 | AML | other | m | 2018-03-29T16:31:39.82 |
IV.SFI.HNE. | ML:1.8 | 0.00016609755499999998 | 0.8704 | AML | other | m | 2018-03-29T16:31:38.37 |