A magnitude ML 1.2 earthquake occured in region: 1 km W Russi (RA), on
and geographic coordinates (lat, lon) 44.3750, 12.0190 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 |
---|---|---|---|---|
Russi | RA | 1 | 12247 | 12247 |
Bagnacavallo | RA | 6 | 16739 | 28986 |
Cotignola | RA | 6 | 7474 | 36460 |
Lugo | RA | 10 | 32390 | 68850 |
Fusignano | RA | 11 | 8222 | 77072 |
Solarolo | RA | 14 | 4488 | 81560 |
Sant'Agata sul Santerno | RA | 15 | 2862 | 84422 |
Faenza | RA | 15 | 58541 | 142963 |
Alfonsine | RA | 15 | 12038 | 155001 |
Ravenna | RA | 15 | 159116 | 314117 |
Bagnara di Romagna | RA | 15 | 2429 | 316546 |
Mordano | BO | 17 | 4760 | 321306 |
Forlì | FC | 17 | 117913 | 439219 |
Massa Lombarda | RA | 17 | 10653 | 449872 |
Castel Bolognese | RA | 19 | 9554 | 459426 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.2 | 2021-09-17 20:05:27 |
44.3752 | 12.019 | 22 | 2022-03-30 13:04:14 |
Bollettino Sismico Italiano INGV | 97103861 |
Reviewed Rev100 |
ML 1.2 | 2021-09-17 20:05:27 |
44.317 | 12.0852 | 3 | 2021-09-17 22:20:03 |
Sala Sismica INGV-Roma | 95558101 |
Field | Value |
---|---|
Time (UTC) | 2021-09-17 20:05:27 ± 0.2 |
Latitude | 44.3752 ± 0.0099 |
Longitude | 12.0190 ± 0.0101 |
Depth (km) | 22 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 97103861 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 831 |
Semi-minor axis of confidence ellipse (meter) | 804 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 190 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 830.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 289 |
Number of associated phases, regardless of their use for origin computation | 19 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.15 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.60075 |
Number of stations at which the event was observed | 13 |
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 | 95558101 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-17 22:20:03 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.3 |
Num. used stations | 7 |
Type of magnitude | ML |
Reference to an origin | 97103861 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-10-31 04:03:42 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ILOS.HHZ. | 2021-09-17T20:06:57.06 | 3.0 | undecidable | manual | Pn | -0.89 | 0 | |||
IV.MMUR.HNZ. | 2021-09-17T20:06:24.75 | 3.0 | undecidable | manual | Sg | 6.97 | 0 | |||
IV.OFFI.HHZ. | 2021-09-17T20:06:10.87 | 3.0 | undecidable | manual | Pg | 10.53 | 0 | |||
IV.CPGN.EHZ. | 2021-09-17T20:06:03.03 | 3.0 | undecidable | manual | Sn | 0.11 | 0 | |||
IV.ASQU.HHE. | 2021-09-17T20:05:48.49 | 1.0 | undecidable | manual | S | 196 | 66.6777 | 101 | 0.3 | 23 |
IV.FIR.HHZ. | 2021-09-17T20:05:48.92 | 3.0 | undecidable | manual | S | -0.33 | 0 | |||
IV.SFI.EHZ. | 2021-09-17T20:05:45.04 | 0.6 | undecidable | manual | S | 195 | 53.9016 | 104 | 0.17 | 47 |
IV.VISG.HHE. | 2021-09-17T20:05:44.24 | 0.6 | undecidable | manual | S | 246 | 50.8158 | 105 | 0.18 | 48 |
IV.LMD.HHZ. | 2021-09-17T20:05:41.44 | 0.3 | undecidable | manual | S | 217 | 41.3253 | 110 | -0.19 | 72 |
IV.PARC.HHZ. | 2021-09-17T20:05:39.90 | 3.0 | undecidable | manual | P | 0 | ||||
IV.ASQU.HHE. | 2021-09-17T20:05:39.49 | 0.3 | undecidable | manual | P | 196 | 66.6777 | 101 | -0.02 | 71 |
IV.BRIS.HHZ. | 2021-09-17T20:05:37.90 | 0.3 | undecidable | manual | S | 230 | 26.0517 | 122 | -0.07 | 76 |
IV.SFI.EHZ. | 2021-09-17T20:05:37.65 | 0.1 | undecidable | manual | P | 195 | 53.9016 | 104 | 0.06 | 97 |
IV.IMOL.HNE. | 2021-09-17T20:05:37.21 | 0.6 | undecidable | manual | S | 266 | 21.9669 | 128 | 0.13 | 50 |
IV.VISG.HHE. | 2021-09-17T20:05:37.42 | 0.6 | undecidable | manual | P | 246 | 50.8158 | 105 | 0.3 | 47 |
IV.LMD.HHZ. | 2021-09-17T20:05:35.46 | 0.3 | undecidable | manual | P | 217 | 41.3253 | 110 | -0.26 | 71 |
IV.BRIS.HHZ. | 2021-09-17T20:05:33.51 | 0.1 | undecidable | manual | P | 230 | 26.0517 | 122 | -0.1 | 100 |
IV.IMOL.HNE. | 2021-09-17T20:05:33.08 | 0.3 | undecidable | manual | P | 266 | 21.9669 | 128 | -0.01 | 77 |
IV.NDIM.HHZ. | 2021-09-17T20:05:28.45 | 3.0 | undecidable | manual | S | -0.24 | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.BRIS.HHN. | ML:1.1 | 0.0000606 | 1.2 | AML | other | m | 2021-09-17T20:05:34.03 |
IV.BRIS.HHE. | ML:1.3 | 0.0000862 | 0.18 | AML | other | m | 2021-09-17T20:05:38.24 |
IV.LMD.HHE. | ML:0.0 | 0.000046048980000000004 | 0.1664 | AML | other | m | 2021-09-17T20:05:41.69 |
IV.LMD.HHN. | ML:0.0 | 0.00005646089 | 0.1408 | AML | other | m | 2021-09-17T20:05:41.73 |
IV.SFI.EHE. | ML:1.0 | 0.000020624145 | 0.128 | AML | other | m | 2021-09-17T20:05:46.07 |
IV.SFI.EHN. | ML:0.8 | 0.000016657889999999998 | 0.6816 | AML | other | m | 2021-09-17T20:06:00.02 |
IV.SFI.HNN. | ML:1.8 | 0.00012992175 | 0.6912 | AML | other | m | 2021-09-17T20:05:44.15 |