A magnitude ML 1.7 earthquake occured in region: 4 km W Riolo Terme (RA), on
and geographic coordinates (lat, lon) 44.2920, 11.6740 at 20 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 |
Casalfiumanese | BO | 5 | 3438 | 9158 |
Borgo Tossignano | BO | 7 | 3288 | 12446 |
Imola | BO | 8 | 69797 | 82243 |
Dozza | BO | 8 | 6652 | 88895 |
Casola Valsenio | RA | 9 | 2617 | 91512 |
Fontanelice | BO | 10 | 1943 | 93455 |
Castel Bolognese | RA | 11 | 9554 | 103009 |
Brisighella | RA | 11 | 7639 | 110648 |
Castel San Pietro Terme | BO | 14 | 20811 | 131459 |
Solarolo | RA | 16 | 4488 | 135947 |
Castel Guelfo di Bologna | BO | 16 | 4455 | 140402 |
Castel del Rio | BO | 16 | 1246 | 141648 |
Mordano | BO | 16 | 4760 | 146408 |
Bagnara di Romagna | RA | 16 | 2429 | 148837 |
Faenza | RA | 17 | 58541 | 207378 |
Modigliana | FC | 18 | 4560 | 211938 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.7 | 2020-07-04 05:02:39 |
44.2917 | 11.674 | 20 | 2020-11-19 12:36:56 |
Bollettino Sismico Italiano INGV | 81670891 |
Reviewed Rev100 |
ML 1.6 | 2020-07-04 05:02:40 |
44.2603 | 11.6282 | 10 | 2020-07-04 05:28:55 |
Sala Sismica INGV-Roma | 80761041 |
Field | Value |
---|---|
Time (UTC) | 2020-07-04 05:02:39 ± 0.26 |
Latitude | 44.2917 ± 0.0099 |
Longitude | 11.6740 ± 0.0138 |
Depth (km) | 20 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 81670891 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1119 |
Semi-minor axis of confidence ellipse (meter) | 529 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 147 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1120.0 |
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 | 24 |
Number of defining phases | 24 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.46 |
Epicentral distance of station closest to the epicenter (degree) | 0.08364 |
Epicentral distance of station farthest from the epicenter (degree) | 0.46855 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 13 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.2 |
Num. used stations | 22 |
Type of magnitude | ML |
Reference to an origin | 81670891 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-10-06 15:44:33 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.2 |
Num. used stations | 16 |
Type of magnitude | ML |
Reference to an origin | 80761041 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-07-04 05:28:55 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RUFI.EHE. | 2020-07-04T05:02:56.50 | 0.6 | undecidable | manual | S | 195 | 52.0035 | 103 | 0.39 | 45 |
IV.SFI.EHZ. | 2020-07-04T05:02:55.34 | 0.3 | undecidable | manual | S | 162 | 45.0216 | 106 | 1.02 | 55 |
IV.RINC.HHN. | 2020-07-04T05:02:55.33 | 0.3 | undecidable | manual | S | 187 | 45.2214 | 105 | 0.96 | 55 |
IV.FNVD.HHZ. | 2020-07-04T05:02:54.87 | 0.6 | undecidable | manual | S | 253 | 45.9207 | 105 | 0.34 | 45 |
IV.SEI.HHZ. | 2020-07-04T05:02:52.37 | 0.6 | undecidable | manual | S | 224 | 36.3414 | 110 | 0.26 | 47 |
IV.RONT.HHZ. | 2020-07-04T05:02:52.73 | 0.3 | undecidable | manual | S | 210 | 38.2284 | 109 | 0.16 | 72 |
IV.RUFI.EHE. | 2020-07-04T05:02:48.82 | 0.3 | undecidable | manual | P | 195 | 52.0035 | 103 | -0.27 | 69 |
IV.SFI.EHZ. | 2020-07-04T05:02:48.11 | 0.3 | undecidable | manual | P | 162 | 45.0216 | 106 | 0.06 | 74 |
IV.RINC.HHN. | 2020-07-04T05:02:48.19 | 0.1 | undecidable | manual | P | 187 | 45.2214 | 105 | 0.11 | 97 |
IV.LMD.HHZ. | 2020-07-04T05:02:48.70 | 0.3 | undecidable | manual | S | 174 | 23.8539 | 122 | -0.41 | 70 |
IV.MTRZ.HHZ. | 2020-07-04T05:02:48.98 | 0.3 | undecidable | manual | S | 277 | 19.9689 | 128 | 0.74 | 61 |
IV.CMPO.HNN. | 2020-07-04T05:02:47.69 | 0.3 | undecidable | manual | P | 18 | 33.744 | 112 | 1.29 | 48 |
IV.FNVD.HHZ. | 2020-07-04T05:02:47.93 | 0.3 | undecidable | manual | P | 253 | 45.9207 | 105 | -0.25 | 71 |
IV.VISG.HHZ. | 2020-07-04T05:02:47.68 | 0.6 | undecidable | manual | S | 239 | 22.1556 | 125 | -1.05 | 38 |
IV.BRIS.HHZ. | 2020-07-04T05:02:46.38 | 0.3 | undecidable | manual | S | 135 | 10.4784 | 149 | -0.17 | 75 |
IV.RONT.HHZ. | 2020-07-04T05:02:46.88 | 0.3 | undecidable | manual | P | 210 | 38.2284 | 109 | -0.16 | 73 |
IV.IMOL.EHZ. | 2020-07-04T05:02:46.99 | 0.3 | undecidable | manual | S | 36 | 9.2796 | 152 | 0.59 | 69 |
IV.SEI.HHZ. | 2020-07-04T05:02:46.44 | 0.3 | undecidable | manual | P | 224 | 36.3414 | 110 | -0.34 | 70 |
IV.LMD.HHZ. | 2020-07-04T05:02:44.46 | 0.1 | negative | manual | P | 174 | 23.8539 | 122 | -0.58 | 88 |
IV.MTRZ.HHZ. | 2020-07-04T05:02:44.54 | 0.3 | undecidable | manual | P | 277 | 19.9689 | 128 | -0.01 | 77 |
IV.BRIS.HHZ. | 2020-07-04T05:02:43.24 | 0.3 | undecidable | manual | P | 135 | 10.4784 | 149 | -0.33 | 73 |
IV.IMOL.EHZ. | 2020-07-04T05:02:43.27 | 0.1 | negative | manual | P | 36 | 9.2796 | 152 | -0.21 | 100 |
IV.FAEN.HNZ. | 2020-07-04T05:02:43.86 | 0.6 | undecidable | manual | P | 91 | 16.1727 | 135 | -0.25 | 49 |
IV.VISG.HHZ. | 2020-07-04T05:02:43.94 | 0.1 | negative | manual | P | 239 | 22.1556 | 125 | -0.89 | 80 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.BRIS.HNE. | ML:1.2 | 0.00010656915 | 1.2128 | AML | other | m | 2020-07-04T05:02:42.36 |
IV.BRIS.HNN. | ML:1.5 | 0.000243665 | 0.8896 | AML | other | m | 2020-07-04T05:02:42.71 |
IV.BRIS.HHE. | ML:1.7 | 0.000341409245 | 0.1216 | AML | other | m | 2020-07-04T05:02:46.58 |
IV.BRIS.HHN. | ML:1.6 | 0.00030539079999999995 | 0.2016 | AML | other | m | 2020-07-04T05:02:46.93 |
IV.IMOL.HNN. | ML:2.2 | 0.0011618498499999998 | 0.1408 | AML | other | m | 2020-07-04T05:02:48.23 |
IV.IMOL.HNE. | ML:2.1 | 0.0009654606 | 0.1376 | AML | other | m | 2020-07-04T05:02:48.25 |
IV.SFI.HNN. | ML:1.7 | 0.00014105225 | 1.008 | AML | other | m | 2020-07-04T05:02:48.25 |
IV.VISG.HHN. | ML:1.8 | 0.0003366787 | 0.2016 | AML | other | m | 2020-07-04T05:02:49.53 |
IV.VISG.HHE. | ML:1.9 | 0.00039597135 | 0.1408 | AML | other | m | 2020-07-04T05:02:49.46 |
IV.LMD.HHN. | ML:1.5 | 0.00014159155000000002 | 0.24 | AML | other | m | 2020-07-04T05:02:49.95 |
IV.MTRZ.HNE. | ML:2.0 | 0.00064266935 | 0.3872 | AML | other | m | 2020-07-04T05:02:51.10 |
IV.MTRZ.HHE. | ML:2.1 | 0.000714418 | 0.32 | AML | other | m | 2020-07-04T05:02:51.11 |
IV.LMD.HHE. | ML:1.3 | 0.00010408744 | 0.1792 | AML | other | m | 2020-07-04T05:02:52.64 |
IV.MTRZ.HHN. | ML:1.8 | 0.00037383425 | 0.32 | AML | other | m | 2020-07-04T05:02:52.73 |
IV.MTRZ.HNN. | ML:1.8 | 0.0003694782 | 0.3424 | AML | other | m | 2020-07-04T05:02:52.73 |
IV.SFI.EHE. | ML:1.5 | 0.00008042849499999998 | 0.2784 | AML | other | m | 2020-07-04T05:02:55.64 |
IV.FNVD.HHN. | ML:1.7 | 0.00012286755 | 0.1792 | AML | other | m | 2020-07-04T05:02:55.60 |
IV.RONT.HHE. | ML:1.6 | 0.00014377791 | 0.16 | AML | other | m | 2020-07-04T05:02:55.63 |
IV.SFI.HNE. | ML:1.6 | 0.0001186354 | 0.4224 | AML | other | m | 2020-07-04T05:02:55.99 |
IV.SFI.EHN. | ML:1.5 | 0.0000882563 | 0.16 | AML | other | m | 2020-07-04T05:02:56.00 |
IV.FNVD.HHE. | ML:1.4 | 0.000062579255 | 0.2976 | AML | other | m | 2020-07-04T05:02:57.65 |
IV.RONT.HHN. | ML:1.8 | 0.00018972975 | 0.24 | AML | other | m | 2020-07-04T05:02:57.43 |