A magnitude ML 1.1 earthquake occured in region: 8 km W Castel del Rio (BO), on
and geographic coordinates (lat, lon) 44.1870, 11.4180 at 11 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 | 8 | 1246 | 1246 |
Firenzuola | FI | 8 | 4726 | 5972 |
Monghidoro | BO | 9 | 3749 | 9721 |
Loiano | BO | 12 | 4294 | 14015 |
Palazzuolo sul Senio | FI | 13 | 1154 | 15169 |
Fontanelice | BO | 14 | 1943 | 17112 |
San Benedetto Val di Sambro | BO | 15 | 4315 | 21427 |
Monzuno | BO | 15 | 6328 | 27755 |
Monterenzio | BO | 16 | 6035 | 33790 |
Casola Valsenio | RA | 17 | 2617 | 36407 |
Borgo Tossignano | BO | 17 | 3288 | 39695 |
Marradi | FI | 20 | 3139 | 42834 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2024-01-31 18:32:21 |
44.1867 | 11.4178 | 11 | 2024-01-31 18:44:28 |
Sala Sismica INGV-Roma | 124968561 |
Field | Value |
---|---|
Time (UTC) | 2024-01-31 18:32:21 ± 0.07 |
Latitude | 44.1867 ± 0.0045 |
Longitude | 11.4178 ± 0.0075 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 124968561 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 654 |
Semi-minor axis of confidence ellipse (meter) | 440 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 303 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 650.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 139 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.18 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.24911 |
Number of stations at which the event was observed | 15 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.3 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 124968561 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2024-01-31 18:44:28 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ERC.EHZ. | 2024-01-31T18:34:08.80 | 3.0 | undecidable | manual | Pg | 22.4 | 0 | |||
IV.PIGN.HHZ. | 2024-01-31T18:34:00.80 | 3.0 | undecidable | manual | Sg | 10.45 | 0 | |||
IV.MTTG.HHZ. | 2024-01-31T18:33:58.08 | 3.0 | positive | manual | Pn | 3.19 | 0 | |||
IV.LRP.EHZ. | 2024-01-31T18:33:40.93 | 3.0 | undecidable | manual | Sg | 5.1 | 0 | |||
IV.MRLC.HHZ. | 2024-01-31T18:33:35.74 | 3.0 | negative | manual | Pg | 15.18 | 0 | |||
IV.VULT.HHZ. | 2024-01-31T18:33:32.87 | 3.0 | negative | manual | Pg | 13.72 | 0 | |||
GU.BURY.HHZ. | 2024-01-31T18:33:11.42 | 3.0 | undecidable | manual | Pg | 7.25 | 0 | |||
MN.TRI.HHZ. | 2024-01-31T18:33:10.57 | 3.0 | undecidable | manual | Sg | 0.48 | 0 | |||
IV.MML1.EHZ. | 2024-01-31T18:32:58.29 | 3.0 | undecidable | manual | Sn | -0.53 | 0 | |||
IV.ASSB.HHZ. | 2024-01-31T18:32:57.77 | 3.0 | undecidable | manual | S | -0.14 | 0 | |||
IV.MOCL.EHZ. | 2024-01-31T18:32:31.37 | 0.6 | undecidable | manual | S | 223 | 27.6501 | 90 | -0.01 | 49 |
IV.LMD.HHZ. | 2024-01-31T18:32:30.89 | 0.3 | undecidable | manual | S | 118 | 26.0517 | 90 | -0.06 | 72 |
IV.SEI.HHZ. | 2024-01-31T18:32:28.44 | 0.6 | undecidable | manual | S | 198 | 15.4734 | 91 | 0.32 | 46 |
IV.MOCL.EHZ. | 2024-01-31T18:32:27.12 | 0.1 | positive | manual | P | 223 | 27.6501 | 90 | -0.1 | 97 |
IV.LMD.HHZ. | 2024-01-31T18:32:27.09 | 0.1 | undecidable | manual | P | 118 | 26.0517 | 90 | 0.12 | 98 |
IV.MTRZ.HHE. | 2024-01-31T18:32:27.95 | 0.3 | undecidable | manual | S | 2 | 13.9749 | 94 | 0.21 | 73 |
IV.VISG.HHZ. | 2024-01-31T18:32:25.26 | 0.6 | undecidable | manual | S | 79 | 1.2987 | 171 | -0.17 | 51 |
IV.MTRZ.HHE. | 2024-01-31T18:32:25.08 | 0.1 | undecidable | manual | P | 2 | 13.9749 | 94 | -0.05 | 100 |
IV.SEI.HHZ. | 2024-01-31T18:32:25.36 | 0.1 | positive | manual | P | 198 | 15.4734 | 91 | 0.02 | 99 |
IV.VISG.HHZ. | 2024-01-31T18:32:23.23 | 1.0 | undecidable | manual | P | 79 | 1.2987 | 171 | -0.56 | 23 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VISG.HHE. | ML:0.7 | 0.00009175 | 0.5 | AML | other | m | 2024-01-31T18:32:24.51 |
IV.VISG.HHN. | ML:0.8 | 0.00011499999999999999 | 1.14 | AML | other | m | 2024-01-31T18:32:25.00 |
IV.SEI.HHE. | ML:1.4 | 0.00019800000000000002 | 0.58 | AML | other | m | 2024-01-31T18:32:28.42 |
IV.SEI.HHN. | ML:1.3 | 0.000177 | 0.44 | AML | other | m | 2024-01-31T18:32:28.56 |