A magnitude ML 1.2 earthquake occured in region: 5 km N Firenzuola (FI), on
and geographic coordinates (lat, lon) 44.1670, 11.3910 at 8 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 | 6 | 4726 | 4726 |
Monghidoro | BO | 8 | 3749 | 8475 |
Castel del Rio | BO | 11 | 1246 | 9721 |
Loiano | BO | 13 | 4294 | 14015 |
San Benedetto Val di Sambro | BO | 14 | 4315 | 18330 |
Palazzuolo sul Senio | FI | 14 | 1154 | 19484 |
Monzuno | BO | 16 | 6328 | 25812 |
Fontanelice | BO | 17 | 1943 | 27755 |
Monterenzio | BO | 18 | 6035 | 33790 |
Castiglione dei Pepoli | BO | 19 | 5648 | 39438 |
Casola Valsenio | RA | 20 | 2617 | 42055 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2023-08-21 09:15:48 |
44.167 | 11.3908 | 8 | 2023-08-21 09:24:10 |
Sala Sismica INGV-Roma | 120351861 |
Field | Value |
---|---|
Time (UTC) | 2023-08-21 09:15:48 ± 0.19 |
Latitude | 44.1670 ± 0.0045 |
Longitude | 11.3908 ± 0.0075 |
Depth (km) | 8 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 120351861 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 582 |
Semi-minor axis of confidence ellipse (meter) | 317 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 257 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 580.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 99 |
Number of associated phases, regardless of their use for origin computation | 30 |
Number of defining phases | 11 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.19 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.23652 |
Number of stations at which the event was observed | 25 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.1 |
Num. used stations | 5 |
Type of magnitude | ML |
Reference to an origin | 120351861 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-08-21 09:24:10 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CDRU.HHZ. | 2023-08-21T09:17:30.75 | 3.0 | undecidable | manual | Sn | -6.64 | 0 | |||
IV.GRI.EHZ. | 2023-08-21T09:17:24.09 | 3.0 | negative | manual | Pg | 15.78 | 0 | |||
IV.SPS2.HHZ. | 2023-08-21T09:17:22.76 | 3.0 | negative | manual | Pg | 20.59 | 0 | |||
XE.MORMA.HHZ. | 2023-08-21T09:17:06.22 | 3.0 | negative | manual | Pg | 12.89 | 0 | |||
IV.INTR.HHZ. | 2023-08-21T09:17:02.66 | 3.0 | undecidable | manual | Sg | 9.74 | 0 | |||
IV.MSSA.HHZ. | 2023-08-21T09:16:43.24 | 3.0 | undecidable | manual | Sg | 5.02 | 0 | |||
IV.PTQR.HHZ. | 2023-08-21T09:16:39.76 | 3.0 | undecidable | manual | Sn | -9.99 | 0 | |||
IV.NRCA.HHZ. | 2023-08-21T09:16:30.60 | 3.0 | undecidable | manual | Sg | 1.23 | 0 | |||
GU.GRAM.HHZ. | 2023-08-21T09:16:26.93 | 3.0 | undecidable | manual | Sn | -1.34 | 0 | |||
IV.SACS.HHZ. | 2023-08-21T09:16:26.78 | 3.0 | undecidable | manual | Sn | -2.04 | 0 | |||
IV.GIUL.HHZ. | 2023-08-21T09:16:19.78 | 3.0 | negative | manual | Pn | -1.96 | 0 | |||
IV.CAMP.HHZ. | 2023-08-21T09:16:13.76 | 3.0 | undecidable | manual | Pg | 4.66 | 0 | |||
IV.PIEI.HHZ. | 2023-08-21T09:16:08.67 | 3.0 | undecidable | manual | Sn | -1.26 | 0 | |||
GU.EQUI.HHZ. | 2023-08-21T09:16:08.93 | 3.0 | negative | manual | Pg | 5.39 | 0 | |||
IV.PTCC.HHZ. | 2023-08-21T09:16:06.54 | 3.0 | positive | manual | Pn | -0.04 | 0 | |||
IV.ZEN8.EHZ. | 2023-08-21T09:16:01.30 | 3.0 | undecidable | manual | Pn | -1.21 | 0 | |||
IV.VMGN.HHE. | 2023-08-21T09:15:58.05 | 0.6 | undecidable | manual | S | 154 | 26.1516 | 106 | -0.32 | 48 |
IV.BOSL.HHN. | 2023-08-21T09:15:58.58 | 0.6 | undecidable | manual | S | 183 | 26.2515 | 106 | 0.18 | 49 |
IV.ARVD.HHZ. | 2023-08-21T09:15:57.46 | 3.0 | positive | manual | Pg | 2.45 | 0 | |||
IV.FDMO.HHZ. | 2023-08-21T09:15:57.29 | 3.0 | positive | manual | Pn | -4.3 | 0 | |||
IV.FOSV.EHZ. | 2023-08-21T09:15:56.43 | 3.0 | undecidable | manual | Pn | -1 | 0 | |||
IV.FNVD.HHZ. | 2023-08-21T09:15:56.66 | 0.6 | undecidable | manual | S | 270 | 21.3675 | 110 | -0.12 | 50 |
IV.SEI.HHZ. | 2023-08-21T09:15:54.42 | 0.6 | undecidable | manual | S | 192 | 12.7761 | 121 | 0.33 | 49 |
IV.VMGN.HHE. | 2023-08-21T09:15:54.25 | 0.6 | undecidable | manual | P | 154 | 26.1516 | 106 | -0.13 | 50 |
IV.BOSL.HHN. | 2023-08-21T09:15:54.32 | 0.3 | undecidable | manual | P | 183 | 26.2515 | 106 | -0.07 | 76 |
IV.FNVD.HHZ. | 2023-08-21T09:15:53.30 | 0.1 | undecidable | manual | P | 270 | 21.3675 | 110 | -0.16 | 100 |
IV.SEI.HHZ. | 2023-08-21T09:15:52.07 | 0.3 | positive | manual | P | 192 | 12.7761 | 121 | 0.17 | 76 |
IV.MTRZ.HHE. | 2023-08-21T09:15:52.86 | 0.3 | undecidable | manual | P | 9 | 16.3725 | 115 | 0.31 | 73 |
IV.VISG.HHZ. | 2023-08-21T09:15:51.81 | 0.6 | undecidable | manual | S | 55 | 4.1958 | 151 | -0.15 | 52 |
IV.VISG.HHZ. | 2023-08-21T09:15:50.50 | 1.0 | undecidable | manual | P | 55 | 4.1958 | 151 | -0.17 | 26 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VISG.HHE. | ML:1.4 | 0.00034750000000000004 | 1.66 | AML | other | m | 2023-08-21T09:15:51.87 |
IV.VISG.HHN. | ML:1.5 | 0.0004465 | 0.08 | AML | other | m | 2023-08-21T09:15:52.07 |
IV.SEI.HHE. | ML:1.2 | 0.00017649999999999998 | 0.34 | AML | other | m | 2023-08-21T09:15:54.76 |
IV.SEI.HHN. | ML:1.2 | 0.00021100000000000003 | 1.88 | AML | other | m | 2023-08-21T09:15:55.95 |
IV.FNVD.HHN. | ML:1.0 | 0.00008075 | 0.08 | AML | other | m | 2023-08-21T09:15:57.19 |
IV.FNVD.HHE. | ML:1.2 | 0.000125 | 0.1 | AML | other | m | 2023-08-21T09:15:57.49 |
IV.CRMI.HHE. | ML:1.2 | 0.000041599999999999995 | 0.06 | AML | other | m | 2023-08-21T09:16:22.90 |
IV.CRMI.HHN. | ML:1.3 | 0.000048299999999999995 | 0.06 | AML | other | m | 2023-08-21T09:16:28.77 |