A magnitude ML 1.3 earthquake occured in region: 4 km NE Firenzuola (FI), on
and geographic coordinates (lat, lon) 44.1370, 11.4230 at 7 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
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 |
Palazzuolo sul Senio | FI | 10 | 1154 | 5880 |
Castel del Rio | BO | 11 | 1246 | 7126 |
Monghidoro | BO | 13 | 3749 | 10875 |
Marradi | FI | 17 | 3139 | 14014 |
Loiano | BO | 17 | 4294 | 18308 |
Fontanelice | BO | 17 | 1943 | 20251 |
San Benedetto Val di Sambro | BO | 17 | 4315 | 24566 |
Casola Valsenio | RA | 19 | 2617 | 27183 |
Monzuno | BO | 20 | 6328 | 33511 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.3 | 2021-11-12 11:06:43 |
44.1372 | 11.4227 | 7 | 2022-03-30 13:04:19 |
Bollettino Sismico Italiano INGV | 97874011 |
Reviewed Rev100 |
ML 1.4 | 2021-11-12 11:06:43 |
44.1387 | 11.4423 | 9 | 2021-11-12 11:15:06 |
Sala Sismica INGV-Roma | 97414481 |
Field | Value |
---|---|
Time (UTC) | 2021-11-12 11:06:43 ± 0.13 |
Latitude | 44.1372 ± 0.0063 |
Longitude | 11.4227 ± 0.0100 |
Depth (km) | 7 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 97874011 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 723 |
Semi-minor axis of confidence ellipse (meter) | 547 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 309 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 720.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 118 |
Number of associated phases, regardless of their use for origin computation | 17 |
Number of defining phases | 15 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.29 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.38311 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.4 |
Num. used stations | 5 |
Type of magnitude | ML |
Reference to an origin | 97874011 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2022-03-08 11:29:16 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.3 |
Num. used stations | 7 |
Type of magnitude | ML |
Reference to an origin | 97414481 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-11-12 11:15:06 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.APEC.HHZ. | 2021-11-12T11:07:13.18 | 3.0 | undecidable | manual | S | -0.03 | 0 | |||
IV.TRIF.CHZ. | 2021-11-12T11:07:02.15 | 3.0 | negative | manual | P | -0.18 | 0 | |||
IV.SFI.EHZ. | 2021-11-12T11:06:58.47 | 0.6 | undecidable | manual | S | 127 | 42.5241 | 50 | 0.18 | 47 |
IV.MPPT.EHZ. | 2021-11-12T11:06:55.21 | 0.6 | undecidable | manual | S | 233 | 33.1446 | 102 | -0.13 | 48 |
IV.FNVD.HHZ. | 2021-11-12T11:06:52.60 | 0.6 | undecidable | manual | S | 278 | 24.0537 | 106 | 0.31 | 47 |
IV.BOSL.HHE. | 2021-11-12T11:06:52.61 | 0.6 | undecidable | manual | S | 190 | 23.1546 | 107 | 0.62 | 43 |
IV.MOCL.EHZ. | 2021-11-12T11:06:52.32 | 0.3 | undecidable | manual | S | 233 | 24.2535 | 106 | -0.01 | 75 |
IV.SFI.EHZ. | 2021-11-12T11:06:51.68 | 0.3 | undecidable | manual | P | 127 | 42.5241 | 50 | -0.4 | 67 |
IV.MPPT.EHZ. | 2021-11-12T11:06:50.14 | 0.1 | undecidable | manual | P | 233 | 33.1446 | 102 | -0.23 | 94 |
IV.FNVD.HHZ. | 2021-11-12T11:06:48.44 | 0.3 | undecidable | manual | P | 278 | 24.0537 | 106 | -0.17 | 73 |
IV.BOSL.HHE. | 2021-11-12T11:06:48.60 | 0.1 | undecidable | manual | P | 190 | 23.1546 | 107 | 0.16 | 97 |
IV.MOCL.EHZ. | 2021-11-12T11:06:48.61 | 0.1 | undecidable | manual | P | 233 | 24.2535 | 106 | -0.03 | 100 |
IV.MTRZ.HHZ. | 2021-11-12T11:06:48.62 | 0.3 | undecidable | manual | P | 1 | 19.4694 | 110 | 0.89 | 58 |
IV.SEI.HHZ. | 2021-11-12T11:06:48.04 | 0.6 | undecidable | manual | S | 209 | 10.4784 | 124 | 0.07 | 51 |
IV.VISG.HHZ. | 2021-11-12T11:06:46.58 | 0.3 | undecidable | manual | S | 9 | 5.7942 | 140 | -0.17 | 75 |
IV.VISG.HHZ. | 2021-11-12T11:06:45.21 | 0.1 | undecidable | manual | P | 9 | 5.7942 | 140 | -0.2 | 100 |
IV.SEI.HHZ. | 2021-11-12T11:06:45.95 | 0.1 | positive | manual | P | 209 | 10.4784 | 124 | -0.17 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SEI.HHN. | ML:1.7 | 0.0007548292999999999 | 0.3392 | AML | other | m | 2021-11-12T11:06:50.30 |
IV.SEI.HHE. | ML:1.7 | 0.00078424125 | 0.32 | AML | other | m | 2021-11-12T11:06:50.52 |
IV.MOCL.EHE. | ML:1.1 | 0.000085504315 | 0.4384 | AML | other | m | 2021-11-12T11:06:53.66 |
IV.MOCL.EHN. | ML:1.1 | 0.0000868 | 1.3 | AML | other | m | 2021-11-12T11:06:54.99 |
IV.MPPT.EHN. | ML:0.8 | 0.0000309941295 | 0.32 | AML | other | m | 2021-11-12T11:06:58.56 |