A magnitude ML 0.4 earthquake occured in region: 5 km N Palazzuolo sul Senio (FI), on
and geographic coordinates (lat, lon) 44.1570, 11.5360 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 |
---|---|---|---|---|
Palazzuolo sul Senio | FI | 5 | 1154 | 1154 |
Castel del Rio | BO | 7 | 1246 | 2400 |
Casola Valsenio | RA | 10 | 2617 | 5017 |
Marradi | FI | 11 | 3139 | 8156 |
Fontanelice | BO | 11 | 1943 | 10099 |
Firenzuola | FI | 13 | 4726 | 14825 |
Borgo Tossignano | BO | 14 | 3288 | 18113 |
Casalfiumanese | BO | 17 | 3438 | 21551 |
Tredozio | FC | 19 | 1212 | 22763 |
Monghidoro | BO | 19 | 3749 | 26512 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.4 | 2022-03-26 17:55:17 |
44.1573 | 11.5358 | 9 | 2022-03-26 18:02:14 |
Sala Sismica INGV-Roma | 102412981 |
Field | Value |
---|---|
Time (UTC) | 2022-03-26 17:55:17 ± 0.1 |
Latitude | 44.1573 ± 0.0054 |
Longitude | 11.5358 ± 0.0050 |
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 | 102412981 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 565 |
Semi-minor axis of confidence ellipse (meter) | 254 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 185 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 570.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 108 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.07914 |
Epicentral distance of station farthest from the epicenter (degree) | 0.29588 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 0.4 |
Uncertainty | 0.3 |
Num. used stations | 5 |
Type of magnitude | ML |
Reference to an origin | 102412981 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2022-03-26 18:02:14 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FNVD.HHZ. | 2022-03-26T17:55:29.05 | 0.6 | undecidable | manual | S | 272 | 32.8449 | 50 | 0.14 | 47 |
IV.BRIS.HHZ. | 2022-03-26T17:55:25.10 | 0.6 | undecidable | manual | S | 68 | 19.7691 | 115 | 0.32 | 47 |
IV.MTRZ.HNZ. | 2022-03-26T17:55:24.96 | 0.6 | undecidable | manual | S | 333 | 19.3695 | 115 | 0.31 | 47 |
IV.SEI.HHZ. | 2022-03-26T17:55:24.72 | 0.6 | undecidable | manual | S | 231 | 18.1707 | 116 | 0.45 | 46 |
IV.LMD.HHZ. | 2022-03-26T17:55:23.72 | 0.3 | undecidable | manual | S | 123 | 16.2726 | 119 | 0.04 | 75 |
IV.FNVD.HHZ. | 2022-03-26T17:55:23.81 | 0.3 | undecidable | manual | P | 272 | 32.8449 | 50 | -0.16 | 71 |
IV.SEI.HHZ. | 2022-03-26T17:55:21.30 | 0.1 | undecidable | manual | P | 231 | 18.1707 | 116 | 0.01 | 100 |
IV.VISG.HHZ. | 2022-03-26T17:55:21.26 | 0.6 | undecidable | manual | S | 294 | 8.7801 | 136 | -0.34 | 47 |
IV.BRIS.HHZ. | 2022-03-26T17:55:21.47 | 0.3 | undecidable | manual | P | 68 | 19.7691 | 115 | -0.12 | 73 |
IV.MTRZ.HNZ. | 2022-03-26T17:55:21.56 | 0.3 | undecidable | manual | P | 333 | 19.3695 | 115 | 0.05 | 74 |
IV.LMD.HHZ. | 2022-03-26T17:55:20.78 | 0.3 | undecidable | manual | P | 123 | 16.2726 | 119 | -0.17 | 73 |
IV.VISG.HHZ. | 2022-03-26T17:55:19.52 | 0.3 | undecidable | manual | P | 294 | 8.7801 | 136 | -0.23 | 73 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LMD.HHE. | ML:0.2 | 0.000016406475 | 0.1664 | AML | other | m | 2022-03-26T17:55:23.77 |
IV.LMD.HHN. | ML:0.3 | 0.00002154339 | 0.1024 | AML | other | m | 2022-03-26T17:55:24.06 |
IV.SEI.HHN. | ML:0.9 | 0.000063751565 | 0.32 | AML | other | m | 2022-03-26T17:55:24.88 |
IV.BRIS.HHE. | ML:0.3 | 0.000013657760000000002 | 0.1408 | AML | other | m | 2022-03-26T17:55:25.14 |
IV.BRIS.HHN. | ML:0.6 | 0.000029406635 | 0.256 | AML | other | m | 2022-03-26T17:55:25.25 |