A magnitude ML 1.3 earthquake occured in region: 3 km SW Marradi (FI), on
and geographic coordinates (lat, lon) 44.0500, 11.5950 at 9 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 |
---|---|---|---|---|
Marradi | FI | 3 | 3139 | 3139 |
Palazzuolo sul Senio | FI | 8 | 1154 | 4293 |
Tredozio | FC | 12 | 1212 | 5505 |
San Godenzo | FI | 14 | 1167 | 6672 |
Portico e San Benedetto | FC | 15 | 756 | 7428 |
Vicchio | FI | 17 | 8044 | 15472 |
Premilcuore | FC | 17 | 799 | 16271 |
Dicomano | FI | 18 | 5515 | 21786 |
Firenzuola | FI | 19 | 4726 | 26512 |
Casola Valsenio | RA | 20 | 2617 | 29129 |
Castel del Rio | BO | 20 | 1246 | 30375 |
Borgo San Lorenzo | FI | 20 | 18211 | 48586 |
Modigliana | FC | 20 | 4560 | 53146 |
Rocca San Casciano | FC | 20 | 1910 | 55056 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.3 | 2022-04-21 22:39:36 |
44.0505 | 11.5947 | 9 | 2022-07-08 12:34:02 |
Bollettino Sismico Italiano INGV | 105870521 |
Reviewed Rev100 |
ML 1.2 | 2022-04-21 22:39:36 |
44.049 | 11.5913 | 6 | 2022-04-21 22:45:01 |
Sala Sismica INGV-Roma | 103587611 |
Field | Value |
---|---|
Time (UTC) | 2022-04-21 22:39:36 ± 0.1 |
Latitude | 44.0505 ± 0.0045 |
Longitude | 11.5947 ± 0.0063 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 105870521 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 504 |
Semi-minor axis of confidence ellipse (meter) | 364 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 336 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 500.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 124 |
Number of associated phases, regardless of their use for origin computation | 14 |
Number of defining phases | 14 |
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) | 0.08544 |
Epicentral distance of station farthest from the epicenter (degree) | 0.30127 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.4 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 105870521 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2022-06-11 01:11:06 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.4 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 103587611 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2022-04-21 22:45:01 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MOCL.EHZ. | 2022-04-21T22:39:48.03 | 0.3 | undecidable | manual | S | 261 | 33.4443 | 50 | -0.27 | 69 |
IV.BRIS.HHZ. | 2022-04-21T22:39:45.90 | 0.6 | undecidable | manual | S | 35 | 23.6541 | 111 | 0.66 | 42 |
IV.RUFI.EHZ. | 2022-04-21T22:39:45.46 | 0.6 | undecidable | manual | S | 196 | 24.5532 | 110 | -0.06 | 49 |
IV.BOSL.HHZ. | 2022-04-21T22:39:44.97 | 0.6 | undecidable | manual | S | 233 | 22.0668 | 112 | 0.26 | 47 |
IV.VISG.HHZ. | 2022-04-21T22:39:44.01 | 0.6 | undecidable | manual | S | 320 | 19.9689 | 114 | -0.05 | 49 |
IV.MOCL.EHZ. | 2022-04-21T22:39:43.38 | 0.3 | undecidable | manual | P | 261 | 33.4443 | 50 | 0.08 | 72 |
IV.SEI.HHZ. | 2022-04-21T22:39:43.59 | 0.6 | undecidable | manual | S | 271 | 18.87 | 115 | -0.1 | 49 |
IV.RUFI.EHZ. | 2022-04-21T22:39:41.74 | 0.1 | undecidable | manual | P | 196 | 24.5532 | 110 | 0.05 | 98 |
IV.BOSL.HHZ. | 2022-04-21T22:39:41.42 | 0.1 | undecidable | manual | P | 233 | 22.0668 | 112 | 0.2 | 95 |
IV.BRIS.HHZ. | 2022-04-21T22:39:41.68 | 0.3 | undecidable | manual | P | 35 | 23.6541 | 111 | 0.15 | 72 |
IV.SEI.HHZ. | 2022-04-21T22:39:40.61 | 0.3 | undecidable | manual | P | 271 | 18.87 | 115 | -0.03 | 74 |
IV.VISG.HHZ. | 2022-04-21T22:39:40.71 | 0.1 | negative | manual | P | 320 | 19.9689 | 114 | -0.14 | 97 |
IV.LMD.HHZ. | 2022-04-21T22:39:40.66 | 0.1 | undecidable | manual | S | 72 | 9.4794 | 133 | -0.32 | 95 |
IV.LMD.HHZ. | 2022-04-21T22:39:39.00 | 0.1 | positive | manual | P | 72 | 9.4794 | 133 | -0.07 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LMD.HHE. | ML:1.4 | 0.000329 | 0.16 | AML | other | m | 2022-04-21T22:39:40.91 |
IV.LMD.HHN. | ML:1.5 | 0.00045650000000000004 | 0.36 | AML | other | m | 2022-04-21T22:39:40.91 |
IV.SEI.HHE. | ML:1.4 | 0.0001835 | 0.32 | AML | other | m | 2022-04-21T22:39:43.80 |
IV.SEI.HHN. | ML:1.5 | 0.0002565 | 1.76 | AML | other | m | 2022-04-21T22:39:44.89 |
IV.BOSL.HHE. | ML:0.3 | 0.000013300000000000001 | 0.5 | AML | other | m | 2022-04-21T22:39:44.03 |
IV.BOSL.HHN. | ML:0.5 | 0.0000207 | 0.36 | AML | other | m | 2022-04-21T22:39:45.38 |