A magnitude ML 1.5 earthquake occured in region: 9 km SE Russi (RA), on
and geographic coordinates (lat, lon) 44.3170, 12.1210 at 21 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 | 9 | 12247 | 12247 |
Forlì | FC | 12 | 117913 | 130160 |
Ravenna | RA | 13 | 159116 | 289276 |
Forlimpopoli | FC | 14 | 13290 | 302566 |
Bagnacavallo | RA | 16 | 16739 | 319305 |
Cotignola | RA | 16 | 7474 | 326779 |
Bertinoro | FC | 19 | 11059 | 337838 |
Faenza | RA | 19 | 58541 | 396379 |
Cervia | RA | 19 | 28940 | 425319 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.5 | 2021-08-11 22:31:05 |
44.317 | 12.1208 | 21 | 2021-12-29 11:12:33 |
Bollettino Sismico Italiano INGV | 95949031 |
Reviewed Rev100 |
ML 1.5 | 2021-08-11 22:31:05 |
44.3277 | 12.1087 | 22 | 2021-08-11 22:38:06 |
Sala Sismica INGV-Roma | 93982551 |
Field | Value |
---|---|
Time (UTC) | 2021-08-11 22:31:05 ± 0.45 |
Latitude | 44.3170 ± 0.0144 |
Longitude | 12.1208 ± 0.0264 |
Depth (km) | 21 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 95949031 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1745 |
Semi-minor axis of confidence ellipse (meter) | 1440 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 289 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1740.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 295 |
Number of associated phases, regardless of their use for origin computation | 21 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.39 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.57197 |
Number of stations at which the event was observed | 14 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.4 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 95949031 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-11-18 17:28:21 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.4 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 93982551 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-11 22:38:06 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.GIZZ.HHZ. | 2021-08-11T22:32:39.75 | 3.0 | negative | manual | Pn | 5.78 | 0 | |||
IV.PTRJ.HNZ. | 2021-08-11T22:32:35.41 | 3.0 | undecidable | manual | Sn | -1.68 | 0 | |||
IV.RDP.HHZ. | 2021-08-11T22:32:15.41 | 3.0 | undecidable | manual | Sn | -0.32 | 0 | |||
IV.PTRJ.HNZ. | 2021-08-11T22:32:08.55 | 3.0 | undecidable | manual | Pg | 11.75 | 0 | |||
IV.OFFI.HHZ. | 2021-08-11T22:32:01.19 | 3.0 | undecidable | manual | Sg | 4.2 | 0 | |||
IV.CIMA.HNZ. | 2021-08-11T22:31:50.82 | 3.0 | undecidable | manual | Sn | 0.36 | 0 | |||
IV.RAVA.EHZ. | 2021-08-11T22:31:33.71 | 3.0 | undecidable | manual | S | -0.28 | 0 | |||
IV.ASQU.HHE. | 2021-08-11T22:31:25.58 | 0.6 | undecidable | manual | S | 205 | 63.492 | 101 | 0.62 | 42 |
IV.ARVD.HHZ. | 2021-08-11T22:31:22.89 | 3.0 | undecidable | manual | P | -0.65 | 0 | |||
IV.RAVA.EHZ. | 2021-08-11T22:31:21.85 | 3.0 | negative | manual | P | 0.5 | 0 | |||
IV.SFI.EHZ. | 2021-08-11T22:31:21.76 | 0.6 | undecidable | manual | S | 206 | 50.7159 | 105 | 0.13 | 49 |
IV.LMD.HHZ. | 2021-08-11T22:31:19.09 | 0.6 | undecidable | manual | S | 231 | 42.3243 | 109 | -0.39 | 47 |
IV.ASQU.HHE. | 2021-08-11T22:31:17.02 | 0.3 | undecidable | manual | P | 205 | 63.492 | 101 | 0.38 | 68 |
IV.MTRZ.HNN. | 2021-08-11T22:31:16.21 | 0.3 | undecidable | manual | P | 270 | 55.2003 | 103 | 0.8 | 58 |
IV.BRIS.HHZ. | 2021-08-11T22:31:16.82 | 0.6 | undecidable | manual | S | 250 | 29.9478 | 117 | 0.37 | 48 |
IV.VISG.HHZ. | 2021-08-11T22:31:15.50 | 0.3 | undecidable | manual | P | 256 | 56.3991 | 103 | -0.08 | 74 |
IV.SFI.EHZ. | 2021-08-11T22:31:14.40 | 0.3 | undecidable | manual | P | 206 | 50.7159 | 105 | -0.32 | 70 |
IV.BRSN.EHZ. | 2021-08-11T22:31:12.36 | 0.6 | undecidable | manual | S | 222 | 4.8951 | 165 | 0.34 | 51 |
IV.LMD.HHZ. | 2021-08-11T22:31:12.87 | 0.3 | undecidable | manual | P | 231 | 42.3243 | 109 | -0.62 | 66 |
IV.BRIS.HHZ. | 2021-08-11T22:31:11.45 | 0.3 | undecidable | manual | P | 250 | 29.9478 | 117 | -0.28 | 74 |
IV.BRSN.EHZ. | 2021-08-11T22:31:08.83 | 0.1 | undecidable | manual | P | 222 | 4.8951 | 165 | -0.35 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.BRSN.EHN. | ML:2.1 | 0.0009824999999999999 | 0.26 | AML | other | m | 2021-08-11T22:31:12.71 |
IV.BRSN.HNN. | ML:2.1 | 0.0010869319 | 0.2688 | AML | other | m | 2021-08-11T22:31:12.71 |
IV.BRSN.HNE. | ML:1.9 | 0.0006069586649999999 | 0.2432 | AML | other | m | 2021-08-11T22:31:12.73 |
IV.BRSN.EHE. | ML:1.9 | 0.0006657988500000001 | 0.4992 | AML | other | m | 2021-08-11T22:31:12.73 |
IV.BRIS.HNE. | ML:1.4 | 0.00010911228500000001 | 2.0224 | AML | other | m | 2021-08-11T22:31:17.02 |
IV.BRIS.HNN. | ML:1.6 | 0.0001734156 | 0.7328 | AML | other | m | 2021-08-11T22:31:17.60 |
IV.BRIS.HHE. | ML:1.1 | 0.000049449999999999996 | 0.62 | AML | other | m | 2021-08-11T22:31:17.01 |
IV.LMD.HHE. | ML:1.2 | 0.00005115 | 0.3 | AML | other | m | 2021-08-11T22:31:19.48 |
IV.LMD.HHN. | ML:1.2 | 0.0000431 | 0.18 | AML | other | m | 2021-08-11T22:31:21.58 |
IV.SFI.EHE. | ML:0.9 | 0.000020383745000000002 | 0.4224 | AML | other | m | 2021-08-11T22:31:22.58 |
IV.BRIS.HHN. | ML:0.9 | 0.00003594999999999999 | 0.72 | AML | other | m | 2021-08-11T22:31:24.83 |
IV.SFI.EHN. | ML:0.9 | 0.00001937067 | 0.3872 | AML | other | m | 2021-08-11T22:31:32.35 |
IV.SFI.HNE. | ML:1.8 | 0.0001329111655 | 1.152 | AML | other | m | 2021-08-11T22:31:34.82 |
IV.SFI.HNN. | ML:1.8 | 0.000145451 | 0.9472 | AML | other | m | 2021-08-11T22:31:36.06 |