A magnitude ML 1.3 earthquake occured in region: 4 km W Palazzuolo sul Senio (FI), on
and geographic coordinates (lat, lon) 44.1050, 11.4960 at 10 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 | 4 | 1154 | 1154 |
Firenzuola | FI | 9 | 4726 | 5880 |
Marradi | FI | 10 | 3139 | 9019 |
Castel del Rio | BO | 12 | 1246 | 10265 |
Casola Valsenio | RA | 17 | 2617 | 12882 |
Fontanelice | BO | 18 | 1943 | 14825 |
Borgo San Lorenzo | FI | 19 | 18211 | 33036 |
Vicchio | FI | 19 | 8044 | 41080 |
Monghidoro | BO | 19 | 3749 | 44829 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.3 | 2021-05-18 12:07:05 |
44.1048 | 11.4957 | 10 | 2021-05-18 12:11:33 |
Sala Sismica INGV-Roma | 90228611 |
Field | Value |
---|---|
Time (UTC) | 2021-05-18 12:07:05 ± 0.08 |
Latitude | 44.1048 ± 0.0054 |
Longitude | 11.4957 ± 0.0063 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 90228611 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 559 |
Semi-minor axis of confidence ellipse (meter) | 466 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 355 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 560.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 86 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 15 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.25 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.37322 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 90228611 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-05-18 12:11:33 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.PE3.EHZ. | 2021-05-18T12:07:35.30 | 3.0 | undecidable | manual | S | 0.12 | 0 | |||
GU.CARD.HHZ. | 2021-05-18T12:07:20.18 | 3.0 | undecidable | manual | P | -0.09 | 0 | |||
IV.ASQU.HHZ. | 2021-05-18T12:07:19.75 | 0.1 | undecidable | manual | S | 145 | 41.4252 | 50 | 0.29 | 90 |
IV.SFI.EHZ. | 2021-05-18T12:07:18.08 | 3.0 | undecidable | manual | S | -0.33 | 0 | |||
IV.MOCL.EHZ. | 2021-05-18T12:07:15.79 | 0.3 | undecidable | manual | S | 246 | 27.4503 | 50 | 0.07 | 72 |
IV.RUFI.EHZ. | 2021-05-18T12:07:15.99 | 0.3 | undecidable | manual | S | 178 | 29.6481 | 50 | -0.31 | 68 |
IV.BRIS.HHZ. | 2021-05-18T12:07:15.66 | 0.3 | undecidable | manual | S | 58 | 25.3524 | 111 | 0.54 | 65 |
IV.ASQU.HHZ. | 2021-05-18T12:07:13.53 | 0.1 | undecidable | manual | P | 145 | 41.4252 | 50 | -0.1 | 93 |
IV.LMD.HHZ. | 2021-05-18T12:07:12.16 | 0.3 | undecidable | manual | S | 100 | 17.1717 | 120 | -0.39 | 69 |
IV.BRIS.HHZ. | 2021-05-18T12:07:11.25 | 0.1 | undecidable | manual | P | 58 | 25.3524 | 111 | 0.12 | 96 |
IV.RONT.HHZ. | 2021-05-18T12:07:11.64 | 0.3 | undecidable | manual | S | 202 | 13.2756 | 127 | 0.2 | 72 |
IV.MOCL.EHZ. | 2021-05-18T12:07:11.50 | 0.1 | undecidable | manual | P | 246 | 27.4503 | 50 | 0.03 | 97 |
IV.RUFI.EHZ. | 2021-05-18T12:07:11.61 | 0.1 | undecidable | manual | P | 178 | 29.6481 | 50 | -0.2 | 93 |
IV.VISG.HHZ. | 2021-05-18T12:07:10.40 | 0.3 | undecidable | manual | S | 332 | 10.5783 | 133 | -0.31 | 71 |
IV.LMD.HHZ. | 2021-05-18T12:07:09.39 | 0.1 | undecidable | manual | P | 100 | 17.1717 | 120 | -0.25 | 94 |
IV.RONT.HHZ. | 2021-05-18T12:07:09.23 | 0.1 | positive | manual | P | 202 | 13.2756 | 127 | 0.22 | 96 |
IV.SEI.HHZ. | 2021-05-18T12:07:08.90 | 0.1 | positive | manual | P | 243 | 12.2766 | 129 | 0.05 | 99 |
IV.VISG.HHZ. | 2021-05-18T12:07:08.56 | 0.1 | undecidable | manual | P | 332 | 10.5783 | 133 | -0.02 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VISG.HHN. | ML:1.4 | 0.00032799999999999995 | 0.36 | AML | other | m | 2021-05-18T12:07:10.77 |
IV.VISG.HHE. | ML:1.2 | 0.000176 | 0.42 | AML | other | m | 2021-05-18T12:07:10.84 |
IV.RONT.HHE. | ML:1.6 | 0.000425 | 0.1 | AML | other | m | 2021-05-18T12:07:11.70 |
IV.LMD.HHN. | ML:1.0 | 0.0000921 | 0.48 | AML | other | m | 2021-05-18T12:07:12.41 |
IV.SEI.HHN. | ML:1.4 | 0.000315 | 0.28 | AML | other | m | 2021-05-18T12:07:12.98 |
IV.RONT.HHN. | ML:1.5 | 0.00036449999999999997 | 1.74 | AML | other | m | 2021-05-18T12:07:13.96 |
IV.SEI.HHE. | ML:1.4 | 0.000264 | 1.68 | AML | other | m | 2021-05-18T12:07:13.95 |
IV.LMD.HHE. | ML:0.9 | 0.00007525 | 0.48 | AML | other | m | 2021-05-18T12:07:14.24 |
IV.BRIS.HHE. | ML:1.2 | 0.00008765 | 1.84 | AML | other | m | 2021-05-18T12:07:15.92 |
IV.BRIS.HHN. | ML:1.4 | 0.00014150000000000002 | 0.28 | AML | other | m | 2021-05-18T12:07:18.56 |