A magnitude ML 1.8 earthquake occured in region: 3 km SE Casola Valsenio (RA), on
and geographic coordinates (lat, lon) 44.2080, 11.6600 at 27 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 |
---|---|---|---|---|
Casola Valsenio | RA | 3 | 2617 | 2617 |
Brisighella | RA | 9 | 7639 | 10256 |
Riolo Terme | RA | 9 | 5720 | 15976 |
Borgo Tossignano | BO | 10 | 3288 | 19264 |
Fontanelice | BO | 10 | 1943 | 21207 |
Casalfiumanese | BO | 11 | 3438 | 24645 |
Modigliana | FC | 12 | 4560 | 29205 |
Castel del Rio | BO | 12 | 1246 | 30451 |
Palazzuolo sul Senio | FI | 14 | 1154 | 31605 |
Marradi | FI | 15 | 3139 | 34744 |
Tredozio | FC | 16 | 1212 | 35956 |
Castel Bolognese | RA | 17 | 9554 | 45510 |
Imola | BO | 17 | 69797 | 115307 |
Dozza | BO | 17 | 6652 | 121959 |
Faenza | RA | 20 | 58541 | 180500 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.8 | 2023-12-08 04:33:15 |
44.2078 | 11.6605 | 27 | 2023-12-08 04:44:45 |
Sala Sismica INGV-Roma | 123887231 |
Field | Value |
---|---|
Time (UTC) | 2023-12-08 04:33:15 ± 0.32 |
Latitude | 44.2078 ± 0.0117 |
Longitude | 11.6605 ± 0.0151 |
Depth (km) | 27 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 123887231 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1148 |
Semi-minor axis of confidence ellipse (meter) | 1007 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 205 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1150.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 174 |
Number of associated phases, regardless of their use for origin computation | 19 |
Number of defining phases | 17 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.34 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.63942 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.3 |
Num. used stations | 13 |
Type of magnitude | ML |
Reference to an origin | 123887231 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-12-08 04:44:45 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.PII.HHZ. | 2023-12-08T04:33:32.66 | 3.0 | negative | manual | P | -0.06 | 0 | |||
IV.SFI.EHZ. | 2023-12-08T04:33:29.64 | 0.6 | undecidable | manual | S | 156 | 36.741 | 120 | 0.69 | 42 |
IV.BOSL.HHZ. | 2023-12-08T04:33:29.58 | 0.3 | undecidable | manual | S | 217 | 38.2284 | 119 | 0.28 | 69 |
IV.CRMI.HHZ. | 2023-12-08T04:33:28.35 | 0.6 | negative | manual | P | 230 | 70.9734 | 105 | 0.18 | 44 |
IV.CRE.HHZ. | 2023-12-08T04:33:28.25 | 0.6 | negative | manual | P | 160 | 69.375 | 105 | 0.32 | 44 |
IV.VMGN.HHZ. | 2023-12-08T04:33:27.46 | 0.3 | undecidable | manual | S | 200 | 29.8479 | 127 | 0.04 | 74 |
IV.ZCCA.HNZ. | 2023-12-08T04:33:27.17 | 3.0 | undecidable | manual | P | 0.65 | 0 | |||
IV.MTRZ.HHZ. | 2023-12-08T04:33:26.62 | 0.3 | undecidable | manual | S | 302 | 22.0668 | 136 | 0.77 | 60 |
IT.MOG.HNZ. | 2023-12-08T04:33:24.22 | 0.6 | undecidable | manual | S | 116 | 9.4794 | 159 | 0.22 | 50 |
IV.LMD.HHZ. | 2023-12-08T04:33:24.58 | 0.3 | undecidable | manual | S | 166 | 14.9739 | 148 | -0.09 | 75 |
IV.VISG.HHZ. | 2023-12-08T04:33:24.46 | 0.3 | undecidable | manual | S | 263 | 18.0708 | 142 | -0.7 | 65 |
IV.BOSL.HHZ. | 2023-12-08T04:33:23.40 | 0.1 | undecidable | manual | P | 217 | 38.2284 | 119 | -0.06 | 98 |
IV.FNVD.HHZ. | 2023-12-08T04:33:23.84 | 0.6 | undecidable | manual | P | 264 | 43.0236 | 116 | -0.27 | 47 |
IV.SFI.EHZ. | 2023-12-08T04:33:23.18 | 0.3 | undecidable | manual | P | 156 | 36.741 | 120 | -0.08 | 73 |
IV.MTRZ.HHZ. | 2023-12-08T04:33:22.10 | 0.6 | negative | manual | P | 302 | 22.0668 | 136 | 0.63 | 43 |
IV.VMGN.HHZ. | 2023-12-08T04:33:22.37 | 0.1 | undecidable | manual | P | 200 | 29.8479 | 127 | -0.01 | 100 |
IV.VISG.HHZ. | 2023-12-08T04:33:20.51 | 0.1 | undecidable | manual | P | 263 | 18.0708 | 142 | -0.56 | 91 |
IT.MOG.HNZ. | 2023-12-08T04:33:20.35 | 0.3 | undecidable | manual | P | 116 | 9.4794 | 159 | -0.06 | 77 |
IV.LMD.HHZ. | 2023-12-08T04:33:20.46 | 0.1 | undecidable | manual | P | 166 | 14.9739 | 148 | -0.33 | 96 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LMD.HHE. | ML:1.9 | 0.000404 | 1.34 | AML | other | m | 2023-12-08T04:33:24.09 |
IV.LMD.HHN. | ML:1.8 | 0.00034599999999999995 | 0.16 | AML | other | m | 2023-12-08T04:33:24.79 |
IV.VISG.HHN. | ML:2.0 | 0.000507 | 0.12 | AML | other | m | 2023-12-08T04:33:24.91 |
IV.VISG.HHE. | ML:1.8 | 0.000332 | 0.44 | AML | other | m | 2023-12-08T04:33:24.76 |
IV.VMGN.HHE. | ML:1.7 | 0.00017350000000000002 | 1.34 | AML | other | m | 2023-12-08T04:33:28.96 |
IV.MTRZ.HHE. | ML:1.9 | 0.000371 | 0.6 | AML | other | m | 2023-12-08T04:33:28.07 |
IV.MTRZ.HNE. | ML:2.0 | 0.0004615 | 0.6 | AML | other | m | 2023-12-08T04:33:28.07 |
IV.VMGN.HHN. | ML:1.5 | 0.000118 | 0.42 | AML | other | m | 2023-12-08T04:33:29.22 |
IV.MTRZ.HNN. | ML:1.9 | 0.00035099999999999997 | 1.72 | AML | other | m | 2023-12-08T04:33:29.88 |
IV.MTRZ.HHN. | ML:1.9 | 0.0003585 | 1.72 | AML | other | m | 2023-12-08T04:33:29.88 |
IV.BOSL.HHE. | ML:1.1 | 0.000039099999999999995 | 1.58 | AML | other | m | 2023-12-08T04:33:30.81 |
IV.BOSL.HHN. | ML:1.1 | 0.0000362 | 0.86 | AML | other | m | 2023-12-08T04:33:30.88 |
IV.CRE.HHE. | ML:1.3 | 0.000029984095 | 0.3616 | AML | other | m | 2023-12-08T04:33:40.73 |