A magnitude ML 1.1 earthquake occured in region: 5 km SE Firenzuola (FI), on
and geographic coordinates (lat, lon) 44.0880, 11.4200 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 |
---|---|---|---|---|
Firenzuola | FI | 5 | 4726 | 4726 |
Palazzuolo sul Senio | FI | 11 | 1154 | 5880 |
Borgo San Lorenzo | FI | 15 | 18211 | 24091 |
Marradi | FI | 16 | 3139 | 27230 |
Castel del Rio | BO | 16 | 1246 | 28476 |
Scarperia e San Piero | FI | 16 | 12217 | 40693 |
Monghidoro | BO | 17 | 3749 | 44442 |
Barberino di Mugello | FI | 17 | 10836 | 55278 |
Vicchio | FI | 18 | 8044 | 63322 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.1 | 2021-01-27 15:31:15 |
44.0883 | 11.4202 | 9 | 2021-07-12 16:54:58 |
Bollettino Sismico Italiano INGV | 86970231 |
Reviewed Rev100 |
ML 1.1 | 2021-01-27 15:31:15 |
44.0942 | 11.4208 | 9 | 2021-01-27 15:52:45 |
Sala Sismica INGV-Roma | 86633411 |
Field | Value |
---|---|
Time (UTC) | 2021-01-27 15:31:15 ± 0.16 |
Latitude | 44.0883 ± 0.0081 |
Longitude | 11.4202 ± 0.0075 |
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 | 86970231 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 832 |
Semi-minor axis of confidence ellipse (meter) | 424 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 5 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 830.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 92 |
Number of associated phases, regardless of their use for origin computation | 17 |
Number of defining phases | 17 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.36 |
Epicentral distance of station closest to the epicenter (degree) | 0.05576 |
Epicentral distance of station farthest from the epicenter (degree) | 0.39390 |
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 | 1.1 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 86970231 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-02-09 13:08:32 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 86633411 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-01-27 15:52:45 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MPPT.EHZ. | 2021-01-27T15:31:27.39 | 0.6 | undecidable | manual | S | 241 | 30.0477 | 107 | 0.7 | 41 |
IV.RINC.HHZ. | 2021-01-27T15:31:26.05 | 0.3 | undecidable | manual | S | 146 | 26.8509 | 108 | 0.4 | 68 |
IV.FNVD.HHZ. | 2021-01-27T15:31:25.62 | 0.3 | undecidable | manual | S | 291 | 25.2525 | 110 | 0.51 | 66 |
IV.ASQU.HHZ. | 2021-01-27T15:31:24.06 | 0.1 | undecidable | manual | P | 138 | 43.7229 | 50 | -0.19 | 92 |
IV.LMD.HHZ. | 2021-01-27T15:31:24.62 | 0.1 | undecidable | manual | S | 93 | 22.9548 | 111 | 0.27 | 93 |
IV.MOCL.EHZ. | 2021-01-27T15:31:23.92 | 0.1 | undecidable | manual | S | 244 | 21.1677 | 113 | 0.12 | 97 |
IV.MPPT.EHZ. | 2021-01-27T15:31:22.04 | 0.1 | undecidable | manual | P | 241 | 30.0477 | 107 | -0.06 | 96 |
IV.RONT.HHZ. | 2021-01-27T15:31:21.13 | 0.3 | undecidable | manual | S | 174 | 10.5783 | 130 | 0.5 | 68 |
IV.RUFI.EHZ. | 2021-01-27T15:31:21.72 | 0.1 | undecidable | manual | P | 166 | 28.6491 | 107 | -0.11 | 95 |
IV.RINC.HHZ. | 2021-01-27T15:31:21.35 | 0.3 | undecidable | manual | P | 146 | 26.8509 | 108 | -0.14 | 71 |
IV.MTRZ.HNZ. | 2021-01-27T15:31:21.68 | 0.3 | undecidable | manual | P | 1 | 24.9528 | 110 | 0.56 | 65 |
IV.MOCL.EHZ. | 2021-01-27T15:31:20.46 | 0.1 | undecidable | manual | P | 244 | 21.1677 | 113 | 0.03 | 98 |
IV.FNVD.HHZ. | 2021-01-27T15:31:20.68 | 0.3 | undecidable | manual | P | 291 | 25.2525 | 110 | -0.5 | 66 |
IV.LMD.HHZ. | 2021-01-27T15:31:20.36 | 0.1 | undecidable | manual | P | 93 | 22.9548 | 111 | -0.39 | 91 |
IV.SEI.HHZ. | 2021-01-27T15:31:19.04 | 0.1 | undecidable | manual | S | 232 | 6.1938 | 145 | -0.56 | 89 |
IV.RONT.HHZ. | 2021-01-27T15:31:18.63 | 0.1 | undecidable | manual | P | 174 | 10.5783 | 130 | 0.04 | 100 |
IV.SEI.HHZ. | 2021-01-27T15:31:17.56 | 0.1 | positive | manual | P | 232 | 6.1938 | 145 | -0.44 | 93 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SEI.HHN. | ML:1.2 | 0.00028349999999999995 | 0.98 | AML | other | m | 2021-01-27T15:31:19.76 |
IV.SEI.HHE. | ML:1.2 | 0.0002805 | 0.32 | AML | other | m | 2021-01-27T15:31:19.78 |
IV.RONT.HHE. | ML:1.0 | 0.00011649999999999999 | 0.74 | AML | other | m | 2021-01-27T15:31:22.44 |
IV.RONT.HHN. | ML:1.0 | 0.00013700000000000002 | 0.34 | AML | other | m | 2021-01-27T15:31:23.47 |