A magnitude ML 1.6 earthquake occured in region: 3 km NE Palazzuolo sul Senio (FI), on
and geographic coordinates (lat, lon) 44.1430, 11.5620 at 11 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 |
---|---|---|---|---|
Palazzuolo sul Senio | FI | 4 | 1154 | 1154 |
Marradi | FI | 8 | 3139 | 4293 |
Castel del Rio | BO | 9 | 1246 | 5539 |
Casola Valsenio | RA | 10 | 2617 | 8156 |
Fontanelice | BO | 13 | 1943 | 10099 |
Firenzuola | FI | 15 | 4726 | 14825 |
Borgo Tossignano | BO | 15 | 3288 | 18113 |
Tredozio | FC | 16 | 1212 | 19325 |
Casalfiumanese | BO | 18 | 3438 | 22763 |
Modigliana | FC | 19 | 4560 | 27323 |
Brisighella | RA | 19 | 7639 | 34962 |
Riolo Terme | RA | 20 | 5720 | 40682 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.6 | 2021-05-30 05:34:26 |
44.1428 | 11.5625 | 11 | 2021-12-29 11:12:08 |
Bollettino Sismico Italiano INGV | 92063921 |
Reviewed Rev100 |
ML 1.6 | 2021-05-30 05:34:26 |
44.1472 | 11.5652 | 11 | 2021-05-30 05:43:52 |
Sala Sismica INGV-Roma | 90620991 |
Field | Value |
---|---|
Time (UTC) | 2021-05-30 05:34:26 ± 0.09 |
Latitude | 44.1428 ± 0.0072 |
Longitude | 11.5625 ± 0.0075 |
Depth (km) | 11 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 92063921 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 725 |
Semi-minor axis of confidence ellipse (meter) | 538 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 19 |
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) | 91 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 20 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.12231 |
Epicentral distance of station farthest from the epicenter (degree) | 0.69787 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.4 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 92063921 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-10-12 13:59:09 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 90620991 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-05-30 05:43:52 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSNT.HHZ. | 2021-05-30T05:34:50.31 | 0.6 | undecidable | manual | S | 196 | 77.4669 | 50 | 0.4 | 42 |
IV.CSNT.HHZ. | 2021-05-30T05:34:40.98 | 0.1 | undecidable | manual | P | 196 | 77.4669 | 50 | 0.86 | 70 |
IV.ASQU.HHE. | 2021-05-30T05:34:40.87 | 0.3 | undecidable | manual | S | 155 | 42.4242 | 50 | 0.29 | 69 |
IV.FNVD.HHZ. | 2021-05-30T05:34:38.69 | 0.6 | undecidable | manual | S | 275 | 35.1426 | 50 | 0.07 | 48 |
IV.RUFI.EHZ. | 2021-05-30T05:34:38.21 | 0.6 | undecidable | manual | S | 187 | 34.0437 | 50 | -0.13 | 47 |
IV.MOCL.EHZ. | 2021-05-30T05:34:38.27 | 0.3 | undecidable | manual | S | 243 | 34.0437 | 50 | -0.07 | 71 |
IV.SFI.EHZ. | 2021-05-30T05:34:38.73 | 0.6 | undecidable | manual | S | 139 | 34.8429 | 50 | 0.19 | 48 |
IV.MTRZ.HNZ. | 2021-05-30T05:34:36.07 | 0.6 | undecidable | manual | S | 330 | 21.7671 | 50 | 1 | 34 |
IV.ASQU.HHE. | 2021-05-30T05:34:34.57 | 0.3 | undecidable | manual | P | 155 | 42.4242 | 50 | -0.16 | 69 |
IV.BRIS.HHZ. | 2021-05-30T05:34:34.48 | 0.1 | undecidable | manual | S | 61 | 18.5703 | 50 | 0.27 | 91 |
IV.SEI.HHZ. | 2021-05-30T05:34:34.54 | 0.6 | undecidable | manual | S | 239 | 18.9699 | 50 | 0.22 | 44 |
IV.MOCL.EHZ. | 2021-05-30T05:34:33.33 | 0.3 | undecidable | manual | P | 243 | 34.0437 | 50 | -0.11 | 72 |
IV.SFI.EHZ. | 2021-05-30T05:34:33.23 | 0.3 | undecidable | manual | P | 139 | 34.8429 | 50 | -0.33 | 68 |
IV.FNVD.HHZ. | 2021-05-30T05:34:33.29 | 0.1 | positive | manual | P | 275 | 35.1426 | 50 | -0.31 | 91 |
IV.RUFI.EHZ. | 2021-05-30T05:34:33.16 | 0.1 | undecidable | manual | P | 187 | 34.0437 | 50 | -0.28 | 92 |
IV.LMD.HHZ. | 2021-05-30T05:34:32.92 | 0.6 | undecidable | manual | S | 122 | 13.5753 | 129 | 0.12 | 46 |
IV.MTRZ.HNZ. | 2021-05-30T05:34:31.53 | 0.3 | undecidable | manual | P | 330 | 21.7671 | 50 | -0.02 | 73 |
IV.SEI.HHZ. | 2021-05-30T05:34:30.99 | 0.1 | undecidable | manual | P | 239 | 18.9699 | 50 | -0.13 | 98 |
IV.LMD.HHZ. | 2021-05-30T05:34:30.02 | 0.1 | positive | manual | P | 122 | 13.5753 | 129 | -0.22 | 100 |
IV.BRIS.HHZ. | 2021-05-30T05:34:30.80 | 0.1 | positive | manual | P | 61 | 18.5703 | 50 | -0.26 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LMD.HHE. | ML:1.5 | 0.0002895 | 0.14 | AML | other | m | 2021-05-30T05:34:33.08 |
IV.LMD.HHN. | ML:1.5 | 0.0002985 | 0.12 | AML | other | m | 2021-05-30T05:34:33.09 |
IV.BRIS.HHE. | ML:2.0 | 0.0007075 | 0.12 | AML | other | m | 2021-05-30T05:34:34.68 |
IV.BRIS.HHN. | ML:2.1 | 0.0009045 | 0.24 | AML | other | m | 2021-05-30T05:34:34.68 |
IV.SEI.HHN. | ML:1.6 | 0.0003328324 | 0.2208 | AML | other | m | 2021-05-30T05:34:34.72 |
IV.SEI.HHE. | ML:1.7 | 0.00037743905 | 0.16 | AML | other | m | 2021-05-30T05:34:34.98 |
IV.SFI.EHN. | ML:0.9 | 0.000032291985 | 0.4416 | AML | other | m | 2021-05-30T05:34:39.10 |
IV.SFI.EHE. | ML:0.9 | 0.000030845155 | 0.2208 | AML | other | m | 2021-05-30T05:34:39.04 |