A magnitude ML 1.5 earthquake occured in region: 5 km NE Castrocaro Terme e Terra del Sole (FC), on
and geographic coordinates (lat, lon) 44.2170, 11.9750 at 26 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 |
---|---|---|---|---|
Castrocaro Terme e Terra del Sole | FC | 5 | 6426 | 6426 |
Forlì | FC | 5 | 117913 | 124339 |
Faenza | RA | 11 | 58541 | 182880 |
Meldola | FC | 12 | 9970 | 192850 |
Dovadola | FC | 13 | 1653 | 194503 |
Forlimpopoli | FC | 13 | 13290 | 207793 |
Predappio | FC | 13 | 6346 | 214139 |
Bertinoro | FC | 15 | 11059 | 225198 |
Modigliana | FC | 16 | 4560 | 229758 |
Brisighella | RA | 16 | 7639 | 237397 |
Castel Bolognese | RA | 18 | 9554 | 246951 |
Russi | RA | 18 | 12247 | 259198 |
Cotignola | RA | 19 | 7474 | 266672 |
Solarolo | RA | 19 | 4488 | 271160 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.5 | 2021-08-10 04:04:24 |
44.2168 | 11.9748 | 26 | 2021-12-29 11:12:32 |
Bollettino Sismico Italiano INGV | 95844081 |
Reviewed Rev100 |
ML 1.5 | 2021-08-10 04:04:24 |
44.2338 | 11.996 | 20 | 2021-08-10 04:20:19 |
Sala Sismica INGV-Roma | 93907441 |
Field | Value |
---|---|
Time (UTC) | 2021-08-10 04:04:24 ± 0.31 |
Latitude | 44.2168 ± 0.0126 |
Longitude | 11.9748 ± 0.0188 |
Depth (km) | 26 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 95844081 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1472 |
Semi-minor axis of confidence ellipse (meter) | 894 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 269 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1470.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 148 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 18 |
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) | 0.10072 |
Epicentral distance of station farthest from the epicenter (degree) | 0.50542 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.2 |
Num. used stations | 16 |
Type of magnitude | ML |
Reference to an origin | 93907441 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-10 04:20:19 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.2 |
Num. used stations | 16 |
Type of magnitude | ML |
Reference to an origin | 95844081 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-11-17 09:30:12 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RUFI.EHZ. | 2021-08-10T04:04:42.63 | 0.6 | undecidable | manual | S | 222 | 56.0994 | 108 | 0.34 | 45 |
IV.ASQU.HHZ. | 2021-08-10T04:04:41.27 | 0.6 | undecidable | manual | S | 198 | 48.9177 | 111 | 0.77 | 39 |
IV.VISG.HHN. | 2021-08-10T04:04:39.72 | 0.6 | undecidable | manual | S | 266 | 43.1235 | 115 | 0.65 | 43 |
IV.SFI.EHZ. | 2021-08-10T04:04:37.67 | 0.6 | undecidable | manual | S | 196 | 36.1416 | 119 | 0.27 | 47 |
IV.IMOL.HNZ. | 2021-08-10T04:04:36.00 | 0.6 | undecidable | manual | S | 311 | 24.3534 | 132 | 1.17 | 36 |
IV.RUFI.EHZ. | 2021-08-10T04:04:34.71 | 0.3 | undecidable | manual | P | 222 | 56.0994 | 108 | 0.05 | 72 |
IV.LMD.HHZ. | 2021-08-10T04:04:34.78 | 0.6 | undecidable | manual | S | 234 | 26.3514 | 129 | -0.46 | 46 |
IV.ASQU.HHZ. | 2021-08-10T04:04:33.66 | 0.1 | undecidable | manual | P | 198 | 48.9177 | 111 | 0.04 | 97 |
IV.BRSN.HNE. | 2021-08-10T04:04:33.16 | 0.6 | undecidable | manual | S | 48 | 11.1777 | 154 | 0.47 | 48 |
IV.VISG.HHN. | 2021-08-10T04:04:32.80 | 0.3 | undecidable | manual | P | 266 | 43.1235 | 115 | 0.01 | 75 |
IV.BRIS.HHZ. | 2021-08-10T04:04:32.92 | 0.6 | undecidable | manual | S | 273 | 16.5723 | 144 | -0.51 | 46 |
IT.FAZ.HNZ. | 2021-08-10T04:04:32.97 | 0.6 | undecidable | manual | S | 323 | 11.1777 | 154 | 0.28 | 50 |
IV.SFI.EHZ. | 2021-08-10T04:04:31.74 | 0.1 | undecidable | manual | P | 196 | 36.1416 | 119 | -0.09 | 100 |
IV.LMD.HHZ. | 2021-08-10T04:04:30.08 | 0.1 | undecidable | manual | P | 234 | 26.3514 | 129 | -0.5 | 93 |
IV.BRIS.HHZ. | 2021-08-10T04:04:29.17 | 0.1 | positive | manual | P | 273 | 16.5723 | 144 | -0.37 | 96 |
IV.IMOL.HNZ. | 2021-08-10T04:04:29.81 | 1.0 | undecidable | manual | P | 311 | 24.3534 | 132 | -0.54 | 23 |
IT.FAZ.HNZ. | 2021-08-10T04:04:28.88 | 0.6 | undecidable | manual | P | 323 | 11.1777 | 154 | -0.23 | 50 |
IV.BRSN.HNE. | 2021-08-10T04:04:28.84 | 0.3 | undecidable | manual | P | 48 | 11.1777 | 154 | -0.27 | 75 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.BRIS.HHE. | ML:1.9 | 0.000367 | 0.2 | AML | other | m | 2021-08-10T04:04:33.04 |
IV.BRIS.HHN. | ML:1.7 | 0.0002455 | 0.36 | AML | other | m | 2021-08-10T04:04:33.18 |
IV.BRIS.HNE. | ML:1.4 | 0.00011381491500000001 | 1.0624 | AML | other | m | 2021-08-10T04:04:34.37 |
IV.BRIS.HNN. | ML:1.3 | 0.00010780855 | 1.248 | AML | other | m | 2021-08-10T04:04:35.17 |
IV.LMD.HHE. | ML:1.5 | 0.00012471022 | 0.16 | AML | other | m | 2021-08-10T04:04:35.22 |
IV.LMD.HHN. | ML:1.6 | 0.00014176885 | 0.16 | AML | other | m | 2021-08-10T04:04:36.14 |
IV.SFI.EHE. | ML:1.4 | 0.00006759999999999999 | 0.36 | AML | other | m | 2021-08-10T04:04:38.59 |
IV.SFI.EHN. | ML:1.2 | 0.000045134375 | 0.4192 | AML | other | m | 2021-08-10T04:04:38.41 |
IV.SFI.HNN. | ML:1.4 | 0.000076292105 | 1.632 | AML | other | m | 2021-08-10T04:04:39.23 |
IV.ASQU.HHE. | ML:1.1 | 0.0000312 | 0.42 | AML | other | m | 2021-08-10T04:04:41.53 |
IV.RUFI.EHE. | ML:1.4 | 0.00005512908 | 1.5584 | AML | other | m | 2021-08-10T04:04:42.07 |
IV.ASQU.HHN. | ML:1.1 | 0.0000293 | 0.26 | AML | other | m | 2021-08-10T04:04:43.26 |
IV.SFI.HNE. | ML:1.6 | 0.000123881715 | 1.0784 | AML | other | m | 2021-08-10T04:04:44.85 |
IV.RUFI.EHN. | ML:1.4 | 0.00005681629499999999 | 0.16 | AML | other | m | 2021-08-10T04:04:44.91 |
IV.PESA.HHN. | ML:1.6 | 0.000062253985 | 0.9376 | AML | other | m | 2021-08-10T04:04:51.31 |
IV.PESA.HHE. | ML:1.7 | 0.000073729875 | 0.6592 | AML | other | m | 2021-08-10T04:04:56.77 |