A magnitude ML 1.3 earthquake occured in region: 1 km N Tredozio (FC), on
and geographic coordinates (lat, lon) 44.0870, 11.7460 at 29 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 |
---|---|---|---|---|
Tredozio | FC | 1 | 1212 | 1212 |
Portico e San Benedetto | FC | 7 | 756 | 1968 |
Rocca San Casciano | FC | 8 | 1910 | 3878 |
Modigliana | FC | 9 | 4560 | 8438 |
Marradi | FI | 11 | 3139 | 11577 |
Dovadola | FC | 12 | 1653 | 13230 |
Premilcuore | FC | 12 | 799 | 14029 |
Brisighella | RA | 15 | 7639 | 21668 |
Palazzuolo sul Senio | FI | 16 | 1154 | 22822 |
Galeata | FC | 17 | 2516 | 25338 |
Civitella di Romagna | FC | 18 | 3786 | 29124 |
Casola Valsenio | RA | 18 | 2617 | 31741 |
Predappio | FC | 19 | 6346 | 38087 |
Castrocaro Terme e Terra del Sole | FC | 19 | 6426 | 44513 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.3 | 2021-01-18 20:14:08 |
44.0868 | 11.7457 | 29 | 2021-07-12 16:55:01 |
Bollettino Sismico Italiano INGV | 87910821 |
Reviewed Rev100 |
ML 1.2 | 2021-01-18 20:14:09 |
44.1183 | 11.7278 | 18 | 2021-01-18 20:20:39 |
Sala Sismica INGV-Roma | 86360151 |
Field | Value |
---|---|
Time (UTC) | 2021-01-18 20:14:08 ± 0.29 |
Latitude | 44.0868 ± 0.0081 |
Longitude | 11.7457 ± 0.0138 |
Depth (km) | 29 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 87910821 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1148 |
Semi-minor axis of confidence ellipse (meter) | 131 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 252 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1150.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 152 |
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) | 0.29 |
Epicentral distance of station closest to the epicenter (degree) | 0.13850 |
Epicentral distance of station farthest from the epicenter (degree) | 0.45416 |
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 | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 87910821 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-03-08 15:15:16 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 86360151 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-01-18 20:20:39 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FNVD.HHZ. | 2021-01-18T20:14:25.95 | 0.6 | undecidable | manual | S | 280 | 50.4162 | 114 | 0.62 | 40 |
IV.RUFI.EHZ. | 2021-01-18T20:14:21.06 | 0.6 | undecidable | manual | S | 214 | 33.4443 | 126 | -0.34 | 46 |
IV.ASQU.HHZ. | 2021-01-18T20:14:21.76 | 0.6 | undecidable | manual | S | 174 | 32.3454 | 127 | 0.58 | 44 |
IV.SEI.HHZ. | 2021-01-18T20:14:20.88 | 0.3 | undecidable | manual | S | 263 | 31.0467 | 128 | -0.01 | 74 |
IV.SFI.EHZ. | 2021-01-18T20:14:19.25 | 0.3 | undecidable | manual | S | 158 | 21.7671 | 139 | 0.16 | 73 |
IV.RINC.HHZ. | 2021-01-18T20:14:19.64 | 0.3 | undecidable | manual | S | 207 | 24.8529 | 135 | -0.01 | 75 |
IV.BRIS.HHZ. | 2021-01-18T20:14:18.06 | 0.6 | undecidable | manual | S | 6 | 15.3735 | 149 | -0.02 | 50 |
IV.FNVD.HHZ. | 2021-01-18T20:14:18.25 | 0.3 | undecidable | manual | P | 280 | 50.4162 | 114 | 0.07 | 70 |
IV.ASQU.HHZ. | 2021-01-18T20:14:16.07 | 0.1 | undecidable | manual | P | 174 | 32.3454 | 127 | 0.3 | 93 |
IV.MTRZ.HNN. | 2021-01-18T20:14:16.60 | 0.1 | undecidable | manual | P | 315 | 35.742 | 124 | 0.41 | 89 |
IV.SEI.HHZ. | 2021-01-18T20:14:15.23 | 0.1 | undecidable | manual | P | 263 | 31.0467 | 128 | -0.38 | 92 |
IV.RUFI.EHZ. | 2021-01-18T20:14:15.76 | 0.3 | undecidable | manual | P | 214 | 33.4443 | 126 | -0.14 | 72 |
IV.SFI.EHZ. | 2021-01-18T20:14:14.54 | 0.1 | undecidable | manual | P | 158 | 21.7671 | 139 | -0.03 | 100 |
IV.RINC.HHZ. | 2021-01-18T20:14:14.72 | 0.1 | undecidable | manual | P | 207 | 24.8529 | 135 | -0.17 | 97 |
IV.BRIS.HHZ. | 2021-01-18T20:14:13.55 | 0.1 | positive | manual | P | 6 | 15.3735 | 149 | -0.44 | 94 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.BRIS.HHN. | ML:1.5 | 0.00014350000000000002 | 0.52 | AML | other | m | 2021-01-18T20:14:18.15 |
IV.BRIS.HHE. | ML:1.5 | 0.0001495 | 0.94 | AML | other | m | 2021-01-18T20:14:18.40 |
IV.SFI.EHN. | ML:1.3 | 0.00008104999999999999 | 0.5 | AML | other | m | 2021-01-18T20:14:19.44 |
IV.SFI.EHE. | ML:1.3 | 0.00009224999999999999 | 0.32 | AML | other | m | 2021-01-18T20:14:20.29 |
IV.RINC.HHE. | ML:1.2 | 0.00005830000000000001 | 0.5 | AML | other | m | 2021-01-18T20:14:21.12 |
IV.SEI.HHE. | ML:1.5 | 0.00010165 | 0.18 | AML | other | m | 2021-01-18T20:14:21.23 |
IV.SEI.HHN. | ML:1.7 | 0.000184 | 0.22 | AML | other | m | 2021-01-18T20:14:21.67 |
IV.RINC.HHN. | ML:1.2 | 0.000059 | 0.44 | AML | other | m | 2021-01-18T20:14:21.36 |
IV.ASQU.HHE. | ML:1.0 | 0.000029199999999999998 | 1.78 | AML | other | m | 2021-01-18T20:14:22.06 |
IV.ASQU.HHN. | ML:0.9 | 0.000025 | 0.52 | AML | other | m | 2021-01-18T20:14:23.51 |