A magnitude ML 1.2 earthquake occured in region: 2 km SE Casola Valsenio (RA), on
and geographic coordinates (lat, lon) 44.2120, 11.6410 at 27 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 |
---|---|---|---|---|
Casola Valsenio | RA | 2 | 2617 | 2617 |
Fontanelice | BO | 8 | 1943 | 4560 |
Borgo Tossignano | BO | 8 | 3288 | 7848 |
Casalfiumanese | BO | 10 | 3438 | 11286 |
Riolo Terme | RA | 10 | 5720 | 17006 |
Brisighella | RA | 10 | 7639 | 24645 |
Castel del Rio | BO | 11 | 1246 | 25891 |
Palazzuolo sul Senio | FI | 13 | 1154 | 27045 |
Modigliana | FC | 14 | 4560 | 31605 |
Marradi | FI | 15 | 3139 | 34744 |
Dozza | BO | 17 | 6652 | 41396 |
Tredozio | FC | 17 | 1212 | 42608 |
Imola | BO | 17 | 69797 | 112405 |
Castel Bolognese | RA | 18 | 9554 | 121959 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.2 | 2020-07-07 20:41:34 |
44.2117 | 11.6407 | 27 | 2020-11-19 12:36:57 |
Bollettino Sismico Italiano INGV | 81752051 |
Reviewed Rev100 |
ML 1.4 | 2020-07-07 20:41:34 |
44.216 | 11.6155 | 28 | 2020-07-07 20:57:03 |
Sala Sismica INGV-Roma | 80865351 |
Field | Value |
---|---|
Time (UTC) | 2020-07-07 20:41:34 ± 0.37 |
Latitude | 44.2117 ± 0.0144 |
Longitude | 11.6407 ± 0.0188 |
Depth (km) | 27 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 81752051 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1539 |
Semi-minor axis of confidence ellipse (meter) | 1008 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 122 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1540.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 181 |
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) | 0.35 |
Epicentral distance of station closest to the epicenter (degree) | 0.09083 |
Epicentral distance of station farthest from the epicenter (degree) | 0.32555 |
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 | 1.2 |
Uncertainty | 0.3 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 81752051 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-08-08 01:42:51 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.4 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 80865351 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-07-07 20:57:03 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RINC.HHE. | 2020-07-07T20:41:47.89 | 0.6 | undecidable | manual | S | 184 | 36.1416 | 121 | 0.16 | 49 |
IV.RONT.HHZ. | 2020-07-07T20:41:46.65 | 0.6 | undecidable | manual | S | 214 | 29.3484 | 127 | 0.44 | 46 |
IV.SEI.HHZ. | 2020-07-07T20:41:46.49 | 0.6 | undecidable | manual | S | 232 | 28.4493 | 128 | 0.47 | 46 |
IV.LMD.HHZ. | 2020-07-07T20:41:43.39 | 0.3 | undecidable | manual | S | 160 | 15.7731 | 146 | -0.31 | 73 |
IV.VISG.HHZ. | 2020-07-07T20:41:43.55 | 0.3 | undecidable | manual | S | 261 | 16.5723 | 145 | -0.27 | 74 |
IV.BRIS.HHZ. | 2020-07-07T20:41:43.98 | 0.6 | undecidable | manual | S | 82 | 10.0788 | 157 | 1 | 38 |
IV.RINC.HHE. | 2020-07-07T20:41:42.14 | 0.1 | undecidable | manual | P | 184 | 36.1416 | 121 | 0.04 | 100 |
IV.RONT.HHZ. | 2020-07-07T20:41:41.28 | 0.3 | undecidable | manual | P | 214 | 29.3484 | 127 | 0.06 | 75 |
IV.SEI.HHZ. | 2020-07-07T20:41:40.96 | 0.3 | undecidable | manual | P | 232 | 28.4493 | 128 | -0.15 | 74 |
IV.VISG.HHZ. | 2020-07-07T20:41:39.51 | 0.1 | undecidable | manual | P | 261 | 16.5723 | 145 | -0.33 | 97 |
IV.BRIS.HHZ. | 2020-07-07T20:41:39.62 | 0.1 | negative | manual | P | 82 | 10.0788 | 157 | 0.26 | 99 |
IV.LMD.HHZ. | 2020-07-07T20:41:39.37 | 0.1 | undecidable | manual | P | 160 | 15.7731 | 146 | -0.41 | 95 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LMD.HHN. | ML:1.0 | 0.00004308621 | 0.2688 | AML | other | m | 2020-07-07T20:41:43.60 |
IV.LMD.HHE. | ML:0.8 | 0.00003504868 | 0.2816 | AML | other | m | 2020-07-07T20:41:43.76 |
IV.VISG.HHN. | ML:0.9 | 0.000036368509999999996 | 0.1024 | AML | other | m | 2020-07-07T20:41:43.81 |
IV.VISG.HHE. | ML:0.7 | 0.00002426414 | 0.3968 | AML | other | m | 2020-07-07T20:41:43.69 |
IV.BRIS.HHE. | ML:1.4 | 0.00013962435000000001 | 0.1152 | AML | other | m | 2020-07-07T20:41:44.28 |
IV.BRIS.HHN. | ML:1.4 | 0.00014075100000000002 | 0.256 | AML | other | m | 2020-07-07T20:41:44.36 |
IV.RONT.HHE. | ML:1.2 | 0.000065868145 | 0.3968 | AML | other | m | 2020-07-07T20:41:46.99 |
IV.BRIS.HNE. | ML:1.4 | 0.0001501163 | 0.7456 | AML | other | m | 2020-07-07T20:41:48.17 |
IV.RONT.HHN. | ML:1.2 | 0.00005455388 | 0.3072 | AML | other | m | 2020-07-07T20:41:49.20 |
IV.BRIS.HNN. | ML:1.6 | 0.0002067396 | 0.896 | AML | other | m | 2020-07-07T20:41:59.56 |