A magnitude ML 1.0 earthquake occured in region: 7 km SW Castel del Rio (BO), on
and geographic coordinates (lat, lon) 44.1680, 11.4470 at 7 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 |
---|---|---|---|---|
Castel del Rio | BO | 7 | 1246 | 1246 |
Firenzuola | FI | 8 | 4726 | 5972 |
Palazzuolo sul Senio | FI | 10 | 1154 | 7126 |
Monghidoro | BO | 12 | 3749 | 10875 |
Fontanelice | BO | 14 | 1943 | 12818 |
Loiano | BO | 15 | 4294 | 17112 |
Casola Valsenio | RA | 16 | 2617 | 19729 |
Marradi | FI | 17 | 3139 | 22868 |
Borgo Tossignano | BO | 17 | 3288 | 26156 |
San Benedetto Val di Sambro | BO | 18 | 4315 | 30471 |
Monterenzio | BO | 18 | 6035 | 36506 |
Monzuno | BO | 19 | 6328 | 42834 |
Casalfiumanese | BO | 20 | 3438 | 46272 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2023-08-22 18:57:56 |
44.1675 | 11.4467 | 7 | 2023-08-22 19:10:42 |
Sala Sismica INGV-Roma | 120390521 |
Field | Value |
---|---|
Time (UTC) | 2023-08-22 18:57:56 ± 0.13 |
Latitude | 44.1675 ± 0.0045 |
Longitude | 11.4467 ± 0.0088 |
Depth (km) | 7 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 120390521 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 621 |
Semi-minor axis of confidence ellipse (meter) | 328 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 71 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 620.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 138 |
Number of associated phases, regardless of their use for origin computation | 32 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.28 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.38941 |
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 | 0.3 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 120390521 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-08-22 19:10:42 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.BHB.HHZ. | 2023-08-22T18:59:25.77 | 3.0 | undecidable | manual | Sn | -1.21 | 0 | |||
IV.SPS2.HHZ. | 2023-08-22T18:58:57.69 | 3.0 | negative | manual | Pn | 9.48 | 0 | |||
IV.SALB.HHZ. | 2023-08-22T18:58:50.51 | 3.0 | positive | manual | Pn | 9.1 | 0 | |||
OX.MARN.HHZ. | 2023-08-22T18:58:38.79 | 3.0 | undecidable | manual | Sn | -0.84 | 0 | |||
CH.FUSIO.HHZ. | 2023-08-22T18:58:37.62 | 3.0 | positive | manual | Pn | 7.25 | 0 | |||
IV.CDRU.HHZ. | 2023-08-22T18:58:36.38 | 3.0 | undecidable | manual | Pn | 6.46 | 0 | |||
OX.MARN.HHZ. | 2023-08-22T18:58:20.09 | 3.0 | positive | manual | Pg | 12.02 | 0 | |||
IV.NRCA.HHZ. | 2023-08-22T18:58:20.31 | 3.0 | undecidable | manual | Sn | -5.58 | 0 | |||
IV.ARVD.HHZ. | 2023-08-22T18:58:18.39 | 3.0 | undecidable | manual | Sg | -0.2 | 0 | |||
IV.PTCC.HHZ. | 2023-08-22T18:58:18.78 | 3.0 | undecidable | manual | Pn | 8.27 | 0 | |||
IV.SFI.EHZ. | 2023-08-22T18:58:11.62 | 0.6 | undecidable | manual | S | 132 | 43.2234 | 50 | -0.12 | 48 |
IV.VIVA.HHZ. | 2023-08-22T18:58:10.62 | 3.0 | undecidable | manual | Pn | -0.51 | 0 | |||
IV.RINC.EHN. | 2023-08-22T18:58:08.66 | 0.6 | undecidable | manual | S | 158 | 33.744 | 102 | -0.11 | 49 |
IV.RIBO.EHZ.01 | 2023-08-22T18:58:08.51 | 3.0 | positive | manual | Pn | 1.99 | 0 | |||
IV.BOSL.HHE. | 2023-08-22T18:58:06.80 | 0.3 | undecidable | manual | S | 192 | 26.8509 | 105 | 0.34 | 71 |
IV.MOCL.EHZ. | 2023-08-22T18:58:06.65 | 0.6 | undecidable | manual | S | 230 | 27.8499 | 104 | -0.14 | 49 |
IV.FNVD.HHZ. | 2023-08-22T18:58:06.04 | 0.3 | undecidable | manual | S | 270 | 25.752 | 105 | -0.05 | 75 |
IV.VMGN.HHZ. | 2023-08-22T18:58:06.08 | 0.3 | undecidable | manual | S | 164 | 24.5532 | 106 | 0.38 | 70 |
IV.SFI.EHZ. | 2023-08-22T18:58:05.27 | 1.0 | undecidable | manual | P | 132 | 43.2234 | 50 | -0.16 | 24 |
IV.MTRZ.HHZ. | 2023-08-22T18:58:03.51 | 0.3 | undecidable | manual | S | 354 | 16.1727 | 113 | 0.56 | 68 |
IV.RINC.EHN. | 2023-08-22T18:58:03.32 | 0.3 | undecidable | manual | P | 158 | 33.744 | 102 | -0.4 | 69 |
IV.SEI.HHZ. | 2023-08-22T18:58:02.85 | 0.3 | undecidable | manual | S | 209 | 14.3745 | 116 | 0.47 | 70 |
IV.BOSL.HHE. | 2023-08-22T18:58:02.31 | 0.6 | undecidable | manual | P | 192 | 26.8509 | 105 | -0.08 | 50 |
IV.MOCL.EHZ. | 2023-08-22T18:58:02.38 | 0.3 | undecidable | manual | P | 230 | 27.8499 | 104 | -0.19 | 73 |
IV.VMGN.HHZ. | 2023-08-22T18:58:01.83 | 0.1 | undecidable | manual | P | 164 | 24.5532 | 106 | -0.12 | 99 |
IV.FNVD.HHZ. | 2023-08-22T18:58:01.90 | 0.1 | undecidable | manual | P | 270 | 25.752 | 105 | -0.28 | 96 |
IV.SEI.HHZ. | 2023-08-22T18:58:00.19 | 0.1 | undecidable | manual | P | 209 | 14.3745 | 116 | 0.16 | 100 |
IV.MTRZ.HHZ. | 2023-08-22T18:58:00.72 | 0.1 | positive | manual | P | 354 | 16.1727 | 113 | 0.36 | 96 |
IV.FRON.EHZ. | 2023-08-22T18:57:58.73 | 3.0 | undecidable | manual | Pg | 2.27 | 0 | |||
IV.VISG.HHZ. | 2023-08-22T18:57:58.99 | 0.3 | undecidable | manual | S | 337 | 2.5974 | 160 | -0.41 | 72 |
IV.GUMA.HHZ. | 2023-08-22T18:57:58.84 | 3.0 | negative | manual | P | 0.17 | 0 | |||
IV.VISG.HHZ. | 2023-08-22T18:57:58.04 | 0.1 | undecidable | manual | P | 337 | 2.5974 | 160 | -0.28 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VISG.HHE. | ML:0.0 | 0.0003275 | 0.26 | AML | other | m | 2023-08-22T18:57:59.67 |
IV.SEI.HHN. | ML:1.5 | 0.000364 | 0.92 | AML | other | m | 2023-08-22T18:58:03.46 |
IV.SEI.HHE. | ML:1.2 | 0.00019600000000000002 | 0.66 | AML | other | m | 2023-08-22T18:58:03.51 |
IV.MTRZ.HHE. | ML:1.2 | 0.00015050000000000003 | 1.46 | AML | other | m | 2023-08-22T18:58:05.06 |
IV.MTRZ.HHN. | ML:1.4 | 0.000223 | 0.52 | AML | other | m | 2023-08-22T18:58:05.63 |
IV.FNVD.HHN. | ML:1.0 | 0.0000603 | 0.12 | AML | other | m | 2023-08-22T18:58:06.51 |
IV.VMGN.HHE. | ML:0.5 | 0.00001765 | 0.38 | AML | other | m | 2023-08-22T18:58:06.52 |
IV.VMGN.HHN. | ML:0.5 | 0.00001995 | 0.34 | AML | other | m | 2023-08-22T18:58:06.36 |
IV.FNVD.HHE. | ML:1.2 | 0.0000937 | 1.44 | AML | other | m | 2023-08-22T18:58:07.84 |
IV.MOCL.EHE. | ML:1.2 | 0.00008113210500000001 | 0.1408 | AML | other | m | 2023-08-22T18:58:07.30 |
IV.MOCL.EHN. | ML:0.9 | 0.000040718215 | 0.1024 | AML | other | m | 2023-08-22T18:58:07.42 |
IV.SFI.EHE. | ML:0.5 | 0.000011435185000000001 | 1.0624 | AML | other | m | 2023-08-22T18:58:12.57 |
IV.SFI.EHN. | ML:0.5 | 0.000011357225 | 3.264 | AML | other | m | 2023-08-22T18:58:14.51 |