A magnitude ML 0.9 earthquake occured in region: 3 km W Pratovecchio Stia (AR), on
and geographic coordinates (lat, lon) 43.8010, 11.6840 at 8 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 |
---|---|---|---|---|
Pratovecchio Stia | AR | 3 | 5845 | 5845 |
Castel San Niccolò | AR | 7 | 2707 | 8552 |
Montemignaio | AR | 8 | 566 | 9118 |
Poppi | AR | 11 | 6160 | 15278 |
Londa | FI | 11 | 1840 | 17118 |
Ortignano Raggiolo | AR | 14 | 878 | 17996 |
Pelago | FI | 15 | 7660 | 25656 |
San Godenzo | FI | 15 | 1167 | 26823 |
Rufina | FI | 16 | 7346 | 34169 |
Bibbiena | AR | 16 | 12241 | 46410 |
Dicomano | FI | 16 | 5515 | 51925 |
Reggello | FI | 18 | 16290 | 68215 |
Pontassieve | FI | 20 | 20603 | 88818 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.9 | 2020-12-04 09:11:01 |
43.8012 | 11.6838 | 8 | 2021-02-26 14:56:16 |
Bollettino Sismico Italiano INGV | 86507211 |
Reviewed Rev100 |
ML 0.9 | 2020-12-04 09:11:02 |
43.799 | 11.6797 | 2 | 2020-12-04 09:25:42 |
Sala Sismica INGV-Roma | 85195051 |
Field | Value |
---|---|
Time (UTC) | 2020-12-04 09:11:01 ± 0.12 |
Latitude | 43.8012 ± 0.0036 |
Longitude | 11.6838 ± 0.0050 |
Depth (km) | 8 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 86507211 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 480 |
Semi-minor axis of confidence ellipse (meter) | 15 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 41 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 480.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 153 |
Number of associated phases, regardless of their use for origin computation | 22 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.12 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.27699 |
Number of stations at which the event was observed | 16 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.1 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 86507211 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-01-23 20:39:56 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 85195051 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-12-04 09:25:42 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.BRES.EHZ. | 2020-12-04T09:12:34.84 | 3.0 | undecidable | manual | Sg | 4.11 | 0 | |||
IV.MFNL.HHZ. | 2020-12-04T09:12:25.25 | 3.0 | negative | manual | Pg | 13.92 | 0 | |||
IV.TDS.HHZ. | 2020-12-04T09:12:22.45 | 3.0 | undecidable | manual | Pg | 17.120001 | 0 | |||
IV.VULT.HHZ. | 2020-12-04T09:11:51.47 | 3.0 | undecidable | manual | Pn | 3.58 | 0 | |||
MN.TRI.HHZ. | 2020-12-04T09:11:46.27 | 3.0 | positive | manual | Pg | 7.53 | 0 | |||
IV.MBAL.EHZ. | 2020-12-04T09:11:38.42 | 3.0 | positive | manual | Pg | 5.15 | 0 | |||
IT.LRNO.HNZ. | 2020-12-04T09:11:34.39 | 3.0 | undecidable | manual | Pn | -1.08 | 0 | |||
ST.PANI.EHZ. | 2020-12-04T09:11:31.28 | 3.0 | positive | manual | Pn | -6.21 | 0 | |||
IV.NARO.HHZ. | 2020-12-04T09:11:20.81 | 3.0 | undecidable | manual | Sn | -1.91 | 0 | |||
IV.MAON.HHZ. | 2020-12-04T09:11:17.71 | 3.0 | undecidable | manual | Sn | -0.52 | 0 | |||
IV.CRE.HHN. | 2020-12-04T09:11:12.13 | 0.6 | undecidable | manual | S | 133 | 29.5482 | 106 | -0.01 | 49 |
IV.LMD.HHZ. | 2020-12-04T09:11:12.61 | 0.6 | undecidable | manual | S | 3 | 30.747 | 105 | 0.07 | 49 |
IV.CRE.HHN. | 2020-12-04T09:11:07.58 | 0.3 | undecidable | manual | P | 133 | 29.5482 | 106 | -0.06 | 73 |
IV.RUFI.EHZ. | 2020-12-04T09:11:07.16 | 0.6 | undecidable | manual | S | 286 | 14.5743 | 120 | -0.16 | 49 |
IV.LMD.HHZ. | 2020-12-04T09:11:07.72 | 0.1 | undecidable | manual | P | 3 | 30.747 | 105 | -0.15 | 95 |
IV.NARO.HHZ. | 2020-12-04T09:11:06.80 | 3.0 | undecidable | manual | P | -1.34 | 0 | |||
IV.RINC.HHZ. | 2020-12-04T09:11:06.30 | 0.6 | undecidable | manual | S | 327 | 11.2776 | 127 | -0.07 | 50 |
IV.ASQU.HHZ. | 2020-12-04T09:11:05.53 | 0.6 | undecidable | manual | S | 93 | 8.4804 | 135 | -0.1 | 50 |
IV.RUFI.EHZ. | 2020-12-04T09:11:04.92 | 0.3 | undecidable | manual | P | 286 | 14.5743 | 120 | 0.06 | 75 |
IV.ASQU.HHZ. | 2020-12-04T09:11:04.00 | 0.1 | undecidable | manual | P | 93 | 8.4804 | 135 | 0.12 | 100 |
IV.RINC.HHZ. | 2020-12-04T09:11:04.49 | 0.1 | undecidable | manual | P | 327 | 11.2776 | 127 | 0.18 | 98 |
IV.MCIV.CHZ. | 2020-12-04T09:11:02.23 | 3.0 | undecidable | manual | P | 5.26 | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.ASQU.HHE. | ML:0.7 | 0.00008501352 | 1.7824 | AML | other | m | 2020-12-04T09:11:05.03 |
IV.ASQU.HHN. | ML:0.8 | 0.00009520801500000001 | 0.256 | AML | other | m | 2020-12-04T09:11:06.32 |
IV.RINC.HHE. | ML:0.9 | 0.00011014429 | 0.1344 | AML | other | m | 2020-12-04T09:11:06.38 |
IV.RINC.HHN. | ML:0.9 | 0.00010721059999999999 | 0.3008 | AML | other | m | 2020-12-04T09:11:06.86 |
IV.LMD.HHN. | ML:1.0 | 0.000049432710000000006 | 0.3584 | AML | other | m | 2020-12-04T09:11:12.58 |
IV.LMD.HHE. | ML:1.0 | 0.00004835794 | 0.1216 | AML | other | m | 2020-12-04T09:11:13.15 |