A magnitude ML 1.0 earthquake occured in region: 5 km NW Borgo Tossignano (BO), on
and geographic coordinates (lat, lon) 44.3100, 11.5480 at 22 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 |
---|---|---|---|---|
Borgo Tossignano | BO | 5 | 3288 | 3288 |
Casalfiumanese | BO | 6 | 3438 | 6726 |
Fontanelice | BO | 6 | 1943 | 8669 |
Dozza | BO | 9 | 6652 | 15321 |
Castel San Pietro Terme | BO | 11 | 20811 | 36132 |
Castel del Rio | BO | 11 | 1246 | 37378 |
Casola Valsenio | RA | 11 | 2617 | 39995 |
Monterenzio | BO | 12 | 6035 | 46030 |
Imola | BO | 14 | 69797 | 115827 |
Riolo Terme | RA | 15 | 5720 | 121547 |
Ozzano dell'Emilia | BO | 16 | 13596 | 135143 |
Castel Guelfo di Bologna | BO | 17 | 4455 | 139598 |
Pianoro | BO | 18 | 17460 | 157058 |
Loiano | BO | 19 | 4294 | 161352 |
Medicina | BO | 20 | 16739 | 178091 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.0 | 2021-09-11 21:25:59 |
44.31 | 11.5482 | 22 | 2022-03-30 13:04:11 |
Bollettino Sismico Italiano INGV | 96548621 |
Reviewed Rev100 |
ML 1.5 | 2021-09-11 21:25:56 |
44.4412 | 11.4317 | 25 | 2021-09-11 21:40:09 |
Sala Sismica INGV-Roma | 95318121 |
Field | Value |
---|---|
Time (UTC) | 2021-09-11 21:25:59 ± 0.41 |
Latitude | 44.3100 ± 0.0144 |
Longitude | 11.5482 ± 0.0138 |
Depth (km) | 22 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 96548621 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1555 |
Semi-minor axis of confidence ellipse (meter) | 672 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 155 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1560.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 158 |
Number of associated phases, regardless of their use for origin computation | 31 |
Number of defining phases | 17 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.43 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.48204 |
Number of stations at which the event was observed | 22 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 96548621 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2022-03-07 15:53:41 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 95318121 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-11 21:40:09 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MTMR.EHZ. | 2021-09-11T21:27:50.04 | 3.0 | undecidable | manual | Sn | -5.64 | 0 | |||
IV.MMGO.HHZ. | 2021-09-11T21:27:36.34 | 3.0 | undecidable | manual | Pn | -2.22 | 0 | |||
IV.LAV9.HHZ. | 2021-09-11T21:27:27.92 | 3.0 | undecidable | manual | Sg | 7.04 | 0 | |||
GU.MGRO.HHZ. | 2021-09-11T21:27:26.60 | 3.0 | undecidable | manual | Sg | 11.31 | 0 | |||
IV.CERA.HHZ. | 2021-09-11T21:27:25.26 | 3.0 | undecidable | manual | Sn | -6.77 | 0 | |||
GU.RORO.HHZ. | 2021-09-11T21:27:17.61 | 3.0 | undecidable | manual | Sg | 7.12 | 0 | |||
IV.CMPR.HHZ. | 2021-09-11T21:27:15.72 | 3.0 | positive | manual | Pn | 3.58 | 0 | |||
IX.PGN3.HHZ.02 | 2021-09-11T21:27:14.39 | 3.0 | undecidable | manual | Pn | 2.25 | 0 | |||
IV.MOCO.HHZ. | 2021-09-11T21:27:07.43 | 3.0 | undecidable | manual | Pg | 8.03 | 0 | |||
IX.SSB3.HHZ.02 | 2021-09-11T21:27:01.83 | 3.0 | positive | manual | Pn | -1.21 | 0 | |||
IV.MMO1.EHZ. | 2021-09-11T21:26:55.43 | 3.0 | undecidable | manual | Sn | -3.08 | 0 | |||
MN.TRI.HHZ. | 2021-09-11T21:26:54.68 | 3.0 | undecidable | manual | Sn | 0.8 | 0 | |||
IV.VIVA.HHZ. | 2021-09-11T21:26:52.08 | 3.0 | negative | manual | Pg | 8.89 | 0 | |||
GU.MGRO.HHZ. | 2021-09-11T21:26:45.40 | 3.0 | undecidable | manual | Pg | 4.59 | 0 | |||
IV.MPPT.EHN. | 2021-09-11T21:26:17.30 | 0.6 | undecidable | manual | S | 223 | 53.502 | 105 | 1.06 | 33 |
IV.SFI.EHZ. | 2021-09-11T21:26:16.07 | 0.6 | undecidable | manual | S | 152 | 50.9157 | 105 | 0.5 | 43 |
IV.MOCL.EHZ. | 2021-09-11T21:26:14.47 | 0.6 | undecidable | manual | S | 221 | 44.7219 | 108 | 0.47 | 43 |
IV.FNVD.HHN. | 2021-09-11T21:26:12.83 | 0.6 | undecidable | manual | S | 245 | 37.3293 | 112 | 0.7 | 39 |
IV.SEI.HHZ. | 2021-09-11T21:26:10.88 | 0.6 | undecidable | manual | S | 208 | 32.1456 | 116 | 0.01 | 49 |
IV.MPPT.EHN. | 2021-09-11T21:26:09.48 | 0.3 | undecidable | manual | P | 223 | 53.502 | 105 | 0.47 | 64 |
IV.BRIS.HHZ. | 2021-09-11T21:26:08.04 | 0.6 | undecidable | manual | S | 119 | 19.7691 | 132 | -0.08 | 48 |
IV.SFI.EHZ. | 2021-09-11T21:26:08.48 | 0.1 | undecidable | manual | P | 152 | 50.9157 | 105 | -0.15 | 90 |
IV.IMOL.EHZ. | 2021-09-11T21:26:08.65 | 0.6 | undecidable | manual | S | 70 | 16.3725 | 138 | 1.18 | 34 |
IV.MOCL.EHZ. | 2021-09-11T21:26:07.64 | 0.3 | undecidable | manual | P | 221 | 44.7219 | 108 | -0.08 | 70 |
IV.VISG.HHZ. | 2021-09-11T21:26:06.94 | 0.6 | undecidable | manual | S | 214 | 16.1727 | 138 | -0.5 | 45 |
IV.SEI.HHZ. | 2021-09-11T21:26:05.64 | 0.1 | undecidable | manual | P | 208 | 32.1456 | 116 | -0.27 | 92 |
IV.FNVD.HHN. | 2021-09-11T21:26:05.71 | 0.3 | undecidable | manual | P | 245 | 37.3293 | 112 | -0.93 | 55 |
IV.IMOL.EHZ. | 2021-09-11T21:26:04.18 | 0.3 | undecidable | manual | P | 70 | 16.3725 | 138 | 0.23 | 72 |
IV.BRIS.HHZ. | 2021-09-11T21:26:04.01 | 0.3 | undecidable | manual | P | 119 | 19.7691 | 132 | -0.32 | 69 |
IV.VISG.HHZ. | 2021-09-11T21:26:03.41 | 0.1 | undecidable | manual | P | 214 | 16.1727 | 138 | -0.53 | 90 |
IV.MTRZ.HNN. | 2021-09-11T21:26:03.40 | 0.1 | undecidable | manual | P | 272 | 9.7791 | 152 | 0.03 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VISG.HHN. | ML:0.8 | 0.000041645015 | 0.0768 | AML | other | m | 2021-09-11T21:26:08.93 |
IV.VISG.HHE. | ML:0.7 | 0.000030854005 | 0.1408 | AML | other | m | 2021-09-11T21:26:08.93 |
IV.BRIS.HHE. | ML:0.9 | 0.000047338450000000004 | 0.2816 | AML | other | m | 2021-09-11T21:26:09.87 |
IV.BRIS.HHN. | ML:1.0 | 0.00005565559 | 0.32 | AML | other | m | 2021-09-11T21:26:09.87 |
IV.SEI.HHN. | ML:1.6 | 0.00016321155 | 0.2176 | AML | other | m | 2021-09-11T21:26:12.15 |
IV.SEI.HHE. | ML:1.3 | 0.00006851441 | 0.2432 | AML | other | m | 2021-09-11T21:26:12.67 |
IV.SFI.EHE. | ML:0.9 | 0.000018178845 | 0.3456 | AML | other | m | 2021-09-11T21:26:17.30 |
IV.SFI.EHN. | ML:1.0 | 0.000024207445 | 0.832 | AML | other | m | 2021-09-11T21:26:17.21 |