A magnitude ML 1.3 earthquake occured in region: 1 km W Riolo Terme (RA), on
and geographic coordinates (lat, lon) 44.2790, 11.7070 at 25 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 |
---|---|---|---|---|
Riolo Terme | RA | 2 | 5720 | 5720 |
Casalfiumanese | BO | 8 | 3438 | 9158 |
Brisighella | RA | 8 | 7639 | 16797 |
Imola | BO | 8 | 69797 | 86594 |
Castel Bolognese | RA | 9 | 9554 | 96148 |
Casola Valsenio | RA | 9 | 2617 | 98765 |
Borgo Tossignano | BO | 9 | 3288 | 102053 |
Dozza | BO | 11 | 6652 | 108705 |
Fontanelice | BO | 12 | 1943 | 110648 |
Faenza | RA | 14 | 58541 | 169189 |
Solarolo | RA | 14 | 4488 | 173677 |
Modigliana | FC | 15 | 4560 | 178237 |
Bagnara di Romagna | RA | 16 | 2429 | 180666 |
Mordano | BO | 16 | 4760 | 185426 |
Castel San Pietro Terme | BO | 16 | 20811 | 206237 |
Castel Guelfo di Bologna | BO | 17 | 4455 | 210692 |
Castel del Rio | BO | 18 | 1246 | 211938 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.3 | 2020-07-04 09:54:27 |
44.2788 | 11.7072 | 25 | 2020-07-04 10:08:48 |
Sala Sismica INGV-Roma | 80767891 |
Field | Value |
---|---|
Time (UTC) | 2020-07-04 09:54:27 ± 0.31 |
Latitude | 44.2788 ± 0.0108 |
Longitude | 11.7072 ± 0.0126 |
Depth (km) | 25 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 80767891 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1180 |
Semi-minor axis of confidence ellipse (meter) | 488 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 172 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1180.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 125 |
Number of associated phases, regardless of their use for origin computation | 15 |
Number of defining phases | 15 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.31 |
Epicentral distance of station closest to the epicenter (degree) | 0.06925 |
Epicentral distance of station farthest from the epicenter (degree) | 0.43257 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 80767891 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-07-04 10:08:48 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FNVD.HHZ. | 2020-07-04T09:54:43.50 | 0.3 | undecidable | manual | S | 255 | 48.0186 | 110 | 0.4 | 66 |
IV.SEI.HHE. | 2020-07-04T09:54:40.63 | 0.3 | undecidable | manual | S | 228 | 37.3293 | 117 | 0.16 | 70 |
IV.MTRZ.HNN. | 2020-07-04T09:54:37.75 | 0.6 | undecidable | manual | S | 280 | 22.755 | 132 | 0.5 | 45 |
IV.LMD.HHZ. | 2020-07-04T09:54:37.17 | 0.3 | undecidable | manual | S | 180 | 22.3554 | 133 | 0 | 74 |
IV.FNVD.HHZ. | 2020-07-04T09:54:36.30 | 0.3 | undecidable | manual | P | 255 | 48.0186 | 110 | -0.06 | 70 |
IV.VISG.HHZ. | 2020-07-04T09:54:36.96 | 0.3 | undecidable | manual | S | 245 | 23.8539 | 131 | -0.51 | 67 |
IV.SEI.HHE. | 2020-07-04T09:54:35.25 | 0.6 | undecidable | manual | P | 228 | 37.3293 | 117 | 0.41 | 45 |
IV.IMOL.EHZ. | 2020-07-04T09:54:35.28 | 0.1 | undecidable | manual | S | 17 | 9.3795 | 157 | 0.14 | 98 |
IV.RONT.HHE. | 2020-07-04T09:54:34.86 | 0.6 | undecidable | manual | P | 215 | 38.4282 | 116 | -0.14 | 47 |
IV.BRIS.HHZ. | 2020-07-04T09:54:34.90 | 0.3 | undecidable | manual | S | 142 | 7.6812 | 161 | -0.08 | 76 |
IV.LMD.HHZ. | 2020-07-04T09:54:33.53 | 0.3 | undecidable | manual | P | 180 | 22.3554 | 133 | 0.6 | 64 |
IV.MTRZ.HNN. | 2020-07-04T09:54:32.71 | 0.6 | undecidable | manual | P | 280 | 22.755 | 132 | -0.27 | 47 |
IV.VISG.HHZ. | 2020-07-04T09:54:32.29 | 0.6 | negative | manual | P | 245 | 23.8539 | 131 | -0.82 | 39 |
IV.IMOL.EHZ. | 2020-07-04T09:54:31.51 | 0.1 | negative | manual | P | 17 | 9.3795 | 157 | -0.25 | 97 |
IV.BRIS.HHZ. | 2020-07-04T09:54:31.55 | 0.1 | negative | manual | P | 142 | 7.6812 | 161 | -0.12 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.BRIS.HHN. | ML:1.4 | 0.000175 | 0.24 | AML | other | m | 2020-07-04T09:54:35.05 |
IV.BRIS.HHE. | ML:1.3 | 0.000127 | 0.86 | AML | other | m | 2020-07-04T09:54:35.94 |
IV.VISG.HHE. | ML:0.0 | 0.00011130000000000001 | 1.6 | AML | other | m | 2020-07-04T09:54:38.03 |
IV.VISG.HHN. | ML:0.0 | 0.000132 | 1.7 | AML | other | m | 2020-07-04T09:54:38.05 |
IV.LMD.HHE. | ML:0.7 | 0.00002664572 | 0.1216 | AML | other | m | 2020-07-04T09:54:39.18 |
IV.LMD.HHN. | ML:0.7 | 0.000022748965 | 0.16 | AML | other | m | 2020-07-04T09:54:40.31 |
IV.FNVD.HHE. | ML:1.2 | 0.000035907135 | 0.3392 | AML | other | m | 2020-07-04T09:54:44.06 |
IV.FNVD.HHN. | ML:1.4 | 0.000060364360000000005 | 0.3008 | AML | other | m | 2020-07-04T09:54:44.08 |