A magnitude ML 1.0 earthquake occured in region: 4 km W Modigliana (FC), on
and geographic coordinates (lat, lon) 44.1760, 11.7440 at 1 km depth.
The earthquake was located by: Sala Sismica INGV-Roma.
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 |
---|---|---|---|---|
Modigliana | FC | 5 | 4560 | 4560 |
Brisighella | RA | 6 | 7639 | 12199 |
Tredozio | FC | 11 | 1212 | 13411 |
Casola Valsenio | RA | 11 | 2617 | 16028 |
Riolo Terme | RA | 11 | 5720 | 21748 |
Dovadola | FC | 13 | 1653 | 23401 |
Rocca San Casciano | FC | 15 | 1910 | 25311 |
Marradi | FI | 15 | 3139 | 28450 |
Castrocaro Terme e Terra del Sole | FC | 17 | 6426 | 34876 |
Castel Bolognese | RA | 17 | 9554 | 44430 |
Faenza | RA | 17 | 58541 | 102971 |
Borgo Tossignano | BO | 17 | 3288 | 106259 |
Casalfiumanese | BO | 17 | 3438 | 109697 |
Portico e San Benedetto | FC | 17 | 756 | 110453 |
Palazzuolo sul Senio | FI | 17 | 1154 | 111607 |
Fontanelice | BO | 17 | 1943 | 113550 |
Castel del Rio | BO | 20 | 1246 | 114796 |
Imola | BO | 20 | 69797 | 184593 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2023-10-20 06:05:33 |
44.1762 | 11.744 | 1 | 2023-10-20 06:20:12 |
Sala Sismica INGV-Roma | 122216941 |
Field | Value |
---|---|
Time (UTC) | 2023-10-20 06:05:33 ± 0.25 |
Latitude | 44.1762 ± 0.0117 |
Longitude | 11.7440 ± 0.0138 |
Depth (km) | 1 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 122216941 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1420 |
Semi-minor axis of confidence ellipse (meter) | 910 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 326 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1420.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 180 |
Number of associated phases, regardless of their use for origin computation | 29 |
Number of defining phases | 11 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.37 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.30217 |
Number of stations at which the event was observed | 23 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.4 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 122216941 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-10-20 06:20:12 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MTMR.HNZ. | 2023-10-20T06:07:23.18 | 3.0 | undecidable | manual | Sn | 2.06 | 0 | |||
IV.SPS2.HHZ. | 2023-10-20T06:07:06.69 | 3.0 | positive | manual | Pn | 6.32 | 0 | |||
IV.VARE.HHZ. | 2023-10-20T06:07:06.25 | 3.0 | undecidable | manual | Sg | 13.52 | 0 | |||
IV.SCHR.EHZ. | 2023-10-20T06:07:05.37 | 3.0 | positive | manual | Pg | 16.76 | 0 | |||
CH.FUORN.HHZ. | 2023-10-20T06:06:55.14 | 3.0 | undecidable | manual | Sg | 3.64 | 0 | |||
IV.BRES.EHZ. | 2023-10-20T06:06:51.85 | 3.0 | undecidable | manual | Sg | 4.07 | 0 | |||
IV.RCAV.EHZ. | 2023-10-20T06:06:49.06 | 3.0 | undecidable | manual | Sg | 5.92 | 0 | |||
IV.MTMR.HNZ. | 2023-10-20T06:06:39.73 | 3.0 | negative | manual | Pn | 5.75 | 0 | |||
IV.SGG.HNZ. | 2023-10-20T06:06:37.65 | 3.0 | positive | manual | Pg | 12.63 | 0 | |||
IV.BSSO.HHZ. | 2023-10-20T06:06:36.68 | 3.0 | undecidable | manual | Pg | 12.14 | 0 | |||
ST.RONC.HNZ. | 2023-10-20T06:06:32.95 | 3.0 | undecidable | manual | Sg | -1.8 | 0 | |||
IV.BAG8.EHZ. | 2023-10-20T06:06:30.13 | 3.0 | undecidable | manual | Sn | -2.43 | 0 | |||
GU.IMI.HHZ. | 2023-10-20T06:06:23.71 | 3.0 | undecidable | manual | Pn | 4.96 | 0 | |||
IV.MURB.HNZ. | 2023-10-20T06:06:07.07 | 3.0 | undecidable | manual | S | -0.95 | 0 | |||
ST.DOSS.HHZ. | 2023-10-20T06:06:04.37 | 3.0 | positive | manual | Pn | -0.43 | 0 | |||
IV.OSSC.HHZ. | 2023-10-20T06:05:58.22 | 3.0 | undecidable | manual | S | -1.11 | 0 | |||
IV.ARCI.HHZ. | 2023-10-20T06:05:54.57 | 3.0 | undecidable | manual | P | -2.67 | 0 | |||
IV.SFI.HNZ. | 2023-10-20T06:05:45.13 | 0.6 | undecidable | manual | S | 165 | 31.2465 | 91 | 0.33 | 48 |
IV.SEI.HHZ. | 2023-10-20T06:05:45.80 | 0.6 | undecidable | manual | S | 246 | 33.5442 | 91 | 0.19 | 49 |
IV.VMGN.HHZ. | 2023-10-20T06:05:43.43 | 0.6 | undecidable | manual | S | 214 | 29.8479 | 91 | -0.88 | 40 |
IV.SEI.HHZ. | 2023-10-20T06:05:41.04 | 0.6 | negative | manual | P | 246 | 33.5442 | 91 | 0.35 | 48 |
IV.VISG.HHZ. | 2023-10-20T06:05:40.14 | 3.0 | undecidable | manual | P | -0.04 | 0 | |||
IV.SFI.HNZ. | 2023-10-20T06:05:40.44 | 0.1 | undecidable | manual | P | 165 | 31.2465 | 91 | 0.22 | 98 |
IV.VMGN.HHZ. | 2023-10-20T06:05:39.94 | 0.3 | positive | manual | P | 214 | 29.8479 | 91 | 0 | 77 |
IV.BRSN.HNZ. | 2023-10-20T06:05:39.46 | 0.1 | undecidable | manual | P | 66 | 29.2485 | 91 | -0.38 | 95 |
IT.MRR.HGZ. | 2023-10-20T06:05:39.24 | 0.6 | undecidable | manual | S | 222 | 16.7721 | 92 | -0.54 | 47 |
IT.MRR.HGZ. | 2023-10-20T06:05:37.57 | 0.1 | undecidable | manual | P | 222 | 16.7721 | 92 | 0.25 | 100 |
IV.LMD.HHZ. | 2023-10-20T06:05:37.54 | 0.3 | undecidable | manual | S | 195 | 11.3775 | 93 | -0.37 | 74 |
IV.LMD.HHZ. | 2023-10-20T06:05:36.62 | 0.1 | undecidable | manual | P | 195 | 11.3775 | 93 | 0.38 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VMGN.HHE. | ML:0.8 | 0.00002883318 | 1.1392 | AML | other | m | 2023-10-20T06:05:51.79 |
IV.VMGN.HHN. | ML:0.7 | 0.000026112675000000003 | 0.1216 | AML | other | m | 2023-10-20T06:05:44.52 |
IV.SEI.HHE. | ML:1.2 | 0.00007023790499999999 | 0.3616 | AML | other | m | 2023-10-20T06:05:45.84 |
IV.SEI.HHN. | ML:1.5 | 0.00014523940000000002 | 0.32 | AML | other | m | 2023-10-20T06:05:45.97 |