A magnitude ML 1.5 earthquake occured in region: 7 km NW Casalfiumanese (BO), on
and geographic coordinates (lat, lon) 44.3330, 11.5480 at 31 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 |
---|---|---|---|---|
Casalfiumanese | BO | 7 | 3438 | 3438 |
Borgo Tossignano | BO | 7 | 3288 | 6726 |
Dozza | BO | 7 | 6652 | 13378 |
Castel San Pietro Terme | BO | 8 | 20811 | 34189 |
Fontanelice | BO | 8 | 1943 | 36132 |
Monterenzio | BO | 11 | 6035 | 42167 |
Casola Valsenio | RA | 14 | 2617 | 44784 |
Imola | BO | 14 | 69797 | 114581 |
Castel del Rio | BO | 14 | 1246 | 115827 |
Ozzano dell'Emilia | BO | 14 | 13596 | 129423 |
Castel Guelfo di Bologna | BO | 15 | 4455 | 133878 |
Riolo Terme | RA | 15 | 5720 | 139598 |
Pianoro | BO | 17 | 17460 | 157058 |
Medicina | BO | 18 | 16739 | 173797 |
San Lazzaro di Savena | BO | 19 | 32065 | 205862 |
Loiano | BO | 19 | 4294 | 210156 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.5 | 2021-10-05 19:41:48 |
44.3332 | 11.5482 | 31 | 2022-03-30 13:04:34 |
Bollettino Sismico Italiano INGV | 100530231 |
Reviewed Rev100 |
ML 1.5 | 2021-10-05 19:41:48 |
44.3358 | 11.552 | 31 | 2021-10-05 20:24:03 |
Sala Sismica INGV-Roma | 96273221 |
Field | Value |
---|---|
Time (UTC) | 2021-10-05 19:41:48 ± 0.4 |
Latitude | 44.3332 ± 0.0216 |
Longitude | 11.5482 ± 0.0189 |
Depth (km) | 31 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 100530231 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2605 |
Semi-minor axis of confidence ellipse (meter) | 614 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 208 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2610.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 228 |
Number of associated phases, regardless of their use for origin computation | 10 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.28 |
Epicentral distance of station closest to the epicenter (degree) | 0.09083 |
Epicentral distance of station farthest from the epicenter (degree) | 0.31027 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.3 |
Num. used stations | 11 |
Type of magnitude | ML |
Reference to an origin | 100530231 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2022-02-02 13:18:40 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.3 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 96273221 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-05 20:24:03 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.LMD.HHZ. | 2021-10-05T19:42:02.16 | 0.3 | undecidable | manual | S | 156 | 31.0467 | 131 | 0.29 | 69 |
IV.SEI.HHZ. | 2021-10-05T19:42:02.60 | 0.3 | undecidable | manual | S | 206 | 34.4433 | 128 | 0.05 | 71 |
IV.VISG.HHZ. | 2021-10-05T19:41:59.22 | 0.3 | undecidable | manual | S | 210 | 18.3705 | 147 | -0.4 | 67 |
IV.BRIS.HHZ. | 2021-10-05T19:41:59.84 | 0.3 | undecidable | manual | S | 125 | 21.1677 | 143 | -0.2 | 70 |
IV.MTRZ.HHZ. | 2021-10-05T19:41:58.97 | 0.3 | undecidable | manual | S | 257 | 10.0788 | 161 | 0.34 | 71 |
IV.SEI.HHZ. | 2021-10-05T19:41:57.08 | 0.3 | undecidable | manual | P | 206 | 34.4433 | 128 | 0.28 | 69 |
IV.LMD.HHZ. | 2021-10-05T19:41:56.41 | 0.3 | undecidable | manual | P | 156 | 31.0467 | 131 | 0.01 | 72 |
IV.BRIS.HHZ. | 2021-10-05T19:41:55.32 | 0.3 | undecidable | manual | P | 125 | 21.1677 | 143 | -0.03 | 73 |
IV.VISG.HHZ. | 2021-10-05T19:41:54.66 | 0.3 | undecidable | manual | P | 210 | 18.3705 | 147 | -0.45 | 66 |
IV.MTRZ.HHZ. | 2021-10-05T19:41:54.60 | 0.1 | undecidable | manual | P | 257 | 10.0788 | 161 | 0.07 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VISG.HHN. | ML:1.4 | 0.0001038 | 0.1 | AML | other | m | 2021-10-05T19:41:59.29 |
IV.VISG.HHE. | ML:1.3 | 0.00007265 | 0.14 | AML | other | m | 2021-10-05T19:41:59.25 |
IV.BRIS.HHE. | ML:1.2 | 0.00006665826 | 0.1408 | AML | other | m | 2021-10-05T19:41:59.88 |
IV.MTRZ.HNE. | ML:1.8 | 0.00029196370000000003 | 0.3968 | AML | other | m | 2021-10-05T19:42:00.06 |
IV.MTRZ.HHN. | ML:1.8 | 0.0002845 | 0.26 | AML | other | m | 2021-10-05T19:42:00.74 |
IV.MTRZ.HNN. | ML:1.7 | 0.00025389194999999996 | 0.2944 | AML | other | m | 2021-10-05T19:42:00.74 |
IV.MTRZ.HHE. | ML:1.8 | 0.0002704866 | 0.384 | AML | other | m | 2021-10-05T19:42:00.25 |
IV.LMD.HHE. | ML:1.4 | 0.00007097956499999999 | 0.2816 | AML | other | m | 2021-10-05T19:42:02.45 |
IV.LMD.HHN. | ML:1.4 | 0.00006796299 | 0.2176 | AML | other | m | 2021-10-05T19:42:02.62 |
IV.SEI.HHN. | ML:1.9 | 0.00021574775 | 0.1792 | AML | other | m | 2021-10-05T19:42:03.24 |
IV.SEI.HHE. | ML:1.4 | 0.000074101055 | 0.4992 | AML | other | m | 2021-10-05T19:42:05.36 |