A magnitude ML 1.2 earthquake occured in region: 3 km N Vernio (PO), on
and geographic coordinates (lat, lon) 44.0820, 11.1510 at 11 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 |
---|---|---|---|---|
Vernio | PO | 3 | 6060 | 6060 |
Castiglione dei Pepoli | BO | 7 | 5648 | 11708 |
Cantagallo | PO | 7 | 3105 | 14813 |
Camugnano | BO | 11 | 1885 | 16698 |
Barberino di Mugello | FI | 12 | 10836 | 27534 |
Sambuca Pistoiese | PT | 12 | 1626 | 29160 |
Vaiano | PO | 13 | 9895 | 39055 |
Castel di Casio | BO | 13 | 3448 | 42503 |
Alto Reno Terme | BO | 16 | 6960 | 49463 |
San Benedetto Val di Sambro | BO | 16 | 4315 | 53778 |
Firenzuola | FI | 19 | 4726 | 58504 |
Scarperia e San Piero | FI | 19 | 12217 | 70721 |
Grizzana Morandi | BO | 19 | 3916 | 74637 |
Montale | PT | 19 | 10737 | 85374 |
Montemurlo | PO | 19 | 18456 | 103830 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2021-09-20 16:38:28 |
44.0825 | 11.1513 | 11 | 2021-09-20 16:44:43 |
Sala Sismica INGV-Roma | 95669521 |
Field | Value |
---|---|
Time (UTC) | 2021-09-20 16:38:28 ± 0.04 |
Latitude | 44.0825 ± 0.0027 |
Longitude | 11.1513 ± 0.0025 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 95669521 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 270 |
Semi-minor axis of confidence ellipse (meter) | 230 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 37 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 270.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 114 |
Number of associated phases, regardless of their use for origin computation | 14 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.09 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.28598 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.3 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 95669521 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-20 16:44:43 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
AC.VLO.HHZ. | 2021-09-20T16:40:16.44 | 3.0 | undecidable | manual | Pn | 2.68 | 0 | |||
IX.SCL3.EHZ.02 | 2021-09-20T16:39:55.71 | 3.0 | undecidable | manual | Pg | 16.120001 | 0 | |||
GU.POPM.HHZ. | 2021-09-20T16:38:39.05 | 0.6 | undecidable | manual | S | 263 | 31.746 | 50 | -0.18 | 47 |
IV.BOSL.HHZ. | 2021-09-20T16:38:37.33 | 0.6 | undecidable | manual | S | 133 | 24.4533 | 50 | 0.04 | 49 |
IV.SEI.HHZ. | 2021-09-20T16:38:35.01 | 0.6 | undecidable | manual | S | 101 | 16.7721 | 123 | -0.17 | 48 |
IV.MPPT.EHZ. | 2021-09-20T16:38:34.51 | 0.6 | undecidable | manual | S | 199 | 14.6742 | 126 | -0.07 | 50 |
GU.POPM.HHZ. | 2021-09-20T16:38:34.59 | 0.6 | negative | manual | P | 263 | 31.746 | 50 | 0 | 49 |
IV.FNVD.HHN. | 2021-09-20T16:38:33.23 | 0.6 | undecidable | manual | S | 347 | 9.7791 | 138 | -0.07 | 50 |
IV.MOCL.EHZ. | 2021-09-20T16:38:33.04 | 0.6 | undecidable | manual | S | 165 | 8.88 | 141 | -0.07 | 50 |
IV.BOSL.HHZ. | 2021-09-20T16:38:33.51 | 0.1 | undecidable | manual | P | 133 | 24.4533 | 50 | 0.04 | 98 |
IV.SEI.HHZ. | 2021-09-20T16:38:32.18 | 0.3 | undecidable | manual | P | 101 | 16.7721 | 123 | -0.07 | 74 |
IV.MOCL.EHZ. | 2021-09-20T16:38:31.18 | 0.1 | undecidable | manual | P | 165 | 8.88 | 141 | 0.12 | 99 |
IV.MPPT.EHZ. | 2021-09-20T16:38:31.94 | 0.1 | undecidable | manual | P | 199 | 14.6742 | 126 | 0.04 | 100 |
IV.FNVD.HHN. | 2021-09-20T16:38:31.25 | 0.1 | undecidable | manual | P | 347 | 9.7791 | 138 | 0.09 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MOCL.EHN. | ML:1.5 | 0.0004465 | 0.26 | AML | other | m | 2021-09-20T16:38:33.17 |
IV.MOCL.EHE. | ML:1.4 | 0.000326 | 0.16 | AML | other | m | 2021-09-20T16:38:33.19 |
IV.MPPT.EHE. | ML:0.8 | 0.00006152000000000001 | 0.42 | AML | other | m | 2021-09-20T16:38:34.70 |
IV.MPPT.EHN. | ML:1.1 | 0.0001105 | 1.38 | AML | other | m | 2021-09-20T16:38:35.80 |