A magnitude ML 1.2 earthquake occured in region: 4 km NW Firenzuola (FI), on
and geographic coordinates (lat, lon) 44.1510, 11.3610 at 9 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 |
---|---|---|---|---|
Firenzuola | FI | 4 | 4726 | 4726 |
Monghidoro | BO | 8 | 3749 | 8475 |
San Benedetto Val di Sambro | BO | 13 | 4315 | 12790 |
Castel del Rio | BO | 14 | 1246 | 14036 |
Loiano | BO | 14 | 4294 | 18330 |
Palazzuolo sul Senio | FI | 16 | 1154 | 19484 |
Monzuno | BO | 16 | 6328 | 25812 |
Castiglione dei Pepoli | BO | 17 | 5648 | 31460 |
Barberino di Mugello | FI | 19 | 10836 | 42296 |
Vernio | PO | 20 | 6060 | 48356 |
Fontanelice | BO | 20 | 1943 | 50299 |
Monterenzio | BO | 20 | 6035 | 56334 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2023-12-18 06:51:40 |
44.1512 | 11.3612 | 9 | 2023-12-18 06:59:45 |
Sala Sismica INGV-Roma | 124121381 |
Field | Value |
---|---|
Time (UTC) | 2023-12-18 06:51:40 ± 0.15 |
Latitude | 44.1512 ± 0.0045 |
Longitude | 11.3612 ± 0.0088 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 124121381 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 713 |
Semi-minor axis of confidence ellipse (meter) | 155 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 291 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 710.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 154 |
Number of associated phases, regardless of their use for origin computation | 16 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.21 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.42718 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.2 |
Num. used stations | 18 |
Type of magnitude | ML |
Reference to an origin | 124121381 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-12-18 06:59:45 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FRON.EHZ. | 2023-12-18T06:52:04.60 | 3.0 | undecidable | manual | P | 2.03 | 0 | |||
IV.CSNT.HHZ. | 2023-12-18T06:52:04.17 | 3.0 | undecidable | manual | S | -0.34 | 0 | |||
IV.BDI.HHZ. | 2023-12-18T06:51:51.66 | 3.0 | negative | manual | P | -0.09 | 0 | |||
IV.BOSL.HHZ. | 2023-12-18T06:51:50.01 | 0.3 | undecidable | manual | S | 178 | 24.4533 | 109 | 0.1 | 73 |
IV.VMGN.HHZ. | 2023-12-18T06:51:50.32 | 0.3 | undecidable | manual | S | 148 | 25.752 | 108 | -0.01 | 74 |
IV.SFI.EHZ. | 2023-12-18T06:51:49.73 | 1.0 | negative | manual | P | 125 | 47.4192 | 50 | -0.23 | 23 |
IV.MOCL.EHZ. | 2023-12-18T06:51:48.76 | 0.3 | undecidable | manual | S | 222 | 21.6672 | 112 | -0.25 | 71 |
IV.BOSL.HHZ. | 2023-12-18T06:51:46.14 | 0.1 | undecidable | manual | P | 178 | 24.4533 | 109 | 0.03 | 99 |
IV.VMGN.HHZ. | 2023-12-18T06:51:46.17 | 0.3 | undecidable | manual | P | 148 | 25.752 | 108 | -0.18 | 72 |
IV.LMD.HHZ. | 2023-12-18T06:51:46.53 | 3.0 | positive | manual | P | -0.48 | 0 | |||
IV.MOCL.EHZ. | 2023-12-18T06:51:45.46 | 0.1 | positive | manual | P | 222 | 21.6672 | 112 | -0.13 | 97 |
IV.MTRZ.HHZ. | 2023-12-18T06:51:45.39 | 0.1 | undecidable | manual | P | 16 | 18.6702 | 115 | 0.36 | 93 |
IV.SEI.HHZ. | 2023-12-18T06:51:45.92 | 0.1 | undecidable | manual | S | 181 | 10.7781 | 129 | 0.23 | 97 |
IV.VISG.HHZ. | 2023-12-18T06:51:44.53 | 0.3 | undecidable | manual | S | 54 | 7.1928 | 140 | -0.27 | 73 |
IV.VISG.HHZ. | 2023-12-18T06:51:43.04 | 0.1 | undecidable | manual | P | 54 | 7.1928 | 140 | -0.12 | 100 |
IV.SEI.HHZ. | 2023-12-18T06:51:43.81 | 0.1 | undecidable | manual | P | 181 | 10.7781 | 129 | 0.14 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VISG.HHN. | ML:1.7 | 0.000814 | 0.1 | AML | other | m | 2023-12-18T06:51:44.98 |
IV.VISG.HHE. | ML:1.5 | 0.0005695 | 0.4 | AML | other | m | 2023-12-18T06:51:44.73 |
IV.MOCL.EHE. | ML:1.4 | 0.00018099999999999998 | 0.12 | AML | other | m | 2023-12-18T06:51:49.15 |
IV.MOCL.EHN. | ML:1.3 | 0.00013800000000000002 | 1.36 | AML | other | m | 2023-12-18T06:51:49.78 |
IV.BOSL.HHE. | ML:1.2 | 0.0000927 | 0.22 | AML | other | m | 2023-12-18T06:51:50.30 |
IV.BOSL.HHN. | ML:1.1 | 0.0000708 | 0.2 | AML | other | m | 2023-12-18T06:51:50.36 |
IV.VMGN.HHE. | ML:0.8 | 0.0000337 | 1.46 | AML | other | m | 2023-12-18T06:51:51.79 |
IV.VMGN.HHN. | ML:0.9 | 0.00004815 | 0.68 | AML | other | m | 2023-12-18T06:51:51.75 |
IV.LMD.HHE. | ML:0.8 | 0.000035449999999999994 | 0.4 | AML | other | m | 2023-12-18T06:51:54.86 |
IV.MTRZ.HHN. | ML:1.3 | 0.0001725 | 0.8 | AML | other | m | 2023-12-18T06:51:55.49 |
IV.MTRZ.HHE. | ML:1.4 | 0.000201 | 1.66 | AML | other | m | 2023-12-18T06:51:55.94 |
IV.SFI.EHN. | ML:1.0 | 0.00002848 | 0.5 | AML | other | m | 2023-12-18T06:51:57.58 |
IV.SFI.EHE. | ML:1.0 | 0.00002408 | 0.64 | AML | other | m | 2023-12-18T06:51:57.89 |
IV.BDI.HHN. | ML:1.1 | 0.0000235 | 1.64 | AML | other | m | 2023-12-18T06:52:01.17 |
IV.BDI.HHE. | ML:1.1 | 0.0000231 | 1 | AML | other | m | 2023-12-18T06:52:01.46 |
IV.LMD.HHN. | ML:1.1 | 0.0000661 | 0.1 | AML | other | m | 2023-12-18T06:52:04.17 |
IV.CSNT.HHE. | ML:1.1 | 0.000017899999999999998 | 1.46 | AML | other | m | 2023-12-18T06:52:08.96 |
IV.CSNT.HHN. | ML:1.1 | 0.000022100000000000002 | 1.34 | AML | other | m | 2023-12-18T06:52:08.91 |