A magnitude ML 2.2 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 39.4610, 15.5710 at 255 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.
No Italian municipalities within 20 km distance.
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 2.2 | 2020-12-21 21:31:18 |
39.4607 | 15.5713 | 255 | 2021-02-26 14:56:14 |
Bollettino Sismico Italiano INGV | 86125701 |
Reviewed Rev100 |
ML 2.0 | 2020-12-21 21:31:18 |
39.4532 | 15.5592 | 254 | 2020-12-21 21:47:34 |
Sala Sismica INGV-Roma | 85610951 |
Field | Value |
---|---|
Time (UTC) | 2020-12-21 21:31:18 ± 0.23 |
Latitude | 39.4607 ± 0.0135 |
Longitude | 15.5713 ± 0.0361 |
Depth (km) | 255 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 86125701 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 3043 |
Semi-minor axis of confidence ellipse (meter) | 709 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 82 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 3040.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 165 |
Number of associated phases, regardless of their use for origin computation | 33 |
Number of defining phases | 33 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.26 |
Epicentral distance of station closest to the epicenter (degree) | 0.30307 |
Epicentral distance of station farthest from the epicenter (degree) | 1.22578 |
Number of stations at which the event was observed | 20 |
Number of stations from which data was used for origin computation | 20 |
Field | Value |
---|---|
Value | 2.0 |
Uncertainty | 0.2 |
Num. used stations | 7 |
Type of magnitude | ML |
Reference to an origin | 85610951 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-12-21 21:47:34 |
Field | Value |
---|---|
Value | 2.2 |
Uncertainty | 0.3 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 86125701 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-01-27 20:25:56 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
MN.CEL.HHZ. | 2020-12-21T21:32:24.40 | 0.6 | undecidable | manual | S | 168 | 136.0638 | 151 | 0.36 | 42 |
IV.MSRU.HHZ. | 2020-12-21T21:32:23.75 | 0.6 | undecidable | manual | S | 182 | 132.867 | 151 | 0.04 | 45 |
IV.PIPA.HHZ. | 2020-12-21T21:32:21.60 | 0.3 | undecidable | manual | S | 88 | 106.6155 | 156 | 0.39 | 66 |
MN.TIP.HHZ. | 2020-12-21T21:32:21.51 | 0.6 | undecidable | manual | S | 107 | 106.5156 | 156 | 0.3 | 45 |
IV.MCEL.HHN. | 2020-12-21T21:32:21.03 | 0.6 | undecidable | manual | S | 11 | 97.8243 | 158 | 0.54 | 44 |
IV.SERS.HHZ. | 2020-12-21T21:32:21.15 | 0.6 | undecidable | manual | S | 116 | 106.9152 | 156 | -0.09 | 47 |
IV.SCHR.EHN. | 2020-12-21T21:32:20.00 | 0.6 | undecidable | manual | S | 28 | 92.5407 | 159 | -0.07 | 48 |
IV.JOPP.HHZ. | 2020-12-21T21:32:20.33 | 0.6 | undecidable | manual | S | 164 | 98.5236 | 158 | -0.21 | 46 |
IV.CELI.HHZ. | 2020-12-21T21:32:19.52 | 0.6 | undecidable | manual | S | 94 | 80.5638 | 162 | 0.31 | 47 |
IV.SPS2.HHZ. | 2020-12-21T21:32:18.34 | 0.6 | undecidable | manual | S | 106 | 68.4759 | 164 | -0.1 | 51 |
IV.SALB.HHZ. | 2020-12-21T21:32:18.45 | 0.6 | undecidable | manual | S | 55 | 80.6637 | 162 | -0.76 | 41 |
IV.GRIS.EHE. | 2020-12-21T21:32:17.04 | 0.6 | undecidable | manual | S | 38 | 39.3273 | 171 | -0.06 | 53 |
IV.CET2.HHE. | 2020-12-21T21:32:15.92 | 1.0 | undecidable | manual | S | 77 | 33.6441 | 172 | -1 | 20 |
MN.CEL.HHZ. | 2020-12-21T21:31:56.33 | 0.3 | undecidable | manual | P | 168 | 136.0638 | 151 | -0.14 | 65 |
IV.MSRU.HHZ. | 2020-12-21T21:31:56.56 | 0.6 | negative | manual | P | 182 | 132.867 | 151 | 0.29 | 43 |
IV.CMPR.HHZ. | 2020-12-21T21:31:55.13 | 0.6 | undecidable | manual | P | 347 | 97.8243 | 158 | 0.72 | 41 |
MN.TIP.HHZ. | 2020-12-21T21:31:54.60 | 1.0 | negative | manual | P | 107 | 106.5156 | 156 | -0.23 | 23 |
IV.MCEL.HHN. | 2020-12-21T21:31:54.57 | 0.3 | undecidable | manual | P | 11 | 97.8243 | 158 | 0.16 | 71 |
IV.JOPP.HHZ. | 2020-12-21T21:31:54.49 | 0.1 | negative | manual | P | 164 | 98.5236 | 158 | 0.05 | 97 |
IV.SERS.HHZ. | 2020-12-21T21:31:54.73 | 0.1 | negative | manual | P | 116 | 106.9152 | 156 | -0.12 | 94 |
IV.GRI.EHN. | 2020-12-21T21:31:54.86 | 0.1 | undecidable | manual | P | 134 | 101.7204 | 157 | 0.26 | 91 |
IV.CELI.HHZ. | 2020-12-21T21:31:54.12 | 0.1 | negative | manual | P | 94 | 80.5638 | 162 | 0.44 | 92 |
IV.PIPA.HHZ. | 2020-12-21T21:31:54.41 | 0.6 | positive | manual | P | 88 | 106.6155 | 156 | -0.43 | 44 |
IV.BULG.HHE. | 2020-12-21T21:31:53.75 | 0.6 | undecidable | manual | P | 347 | 70.4739 | 164 | 0.44 | 47 |
IV.MGR.HHE. | 2020-12-21T21:31:53.40 | 0.1 | undecidable | manual | P | 359 | 75.1692 | 163 | -0.07 | 100 |
IV.TDS.HHZ. | 2020-12-21T21:31:53.49 | 0.1 | undecidable | manual | P | 71 | 69.1752 | 164 | 0.23 | 98 |
IV.SIRI.HHE. | 2020-12-21T21:31:53.73 | 0.6 | undecidable | manual | P | 17 | 83.9493 | 161 | -0.08 | 49 |
XK.GIZZ.HHZ. | 2020-12-21T21:31:53.05 | 0.3 | undecidable | manual | P | 134 | 76.368 | 163 | -0.47 | 69 |
IV.SPS2.HHZ. | 2020-12-21T21:31:53.53 | 0.6 | positive | manual | P | 106 | 68.4759 | 164 | 0.29 | 48 |
IV.SALB.HHZ. | 2020-12-21T21:31:53.12 | 0.1 | undecidable | manual | P | 55 | 80.6637 | 162 | -0.56 | 89 |
IV.SCHR.EHN. | 2020-12-21T21:31:53.89 | 0.3 | undecidable | manual | P | 28 | 92.5407 | 159 | -0.28 | 70 |
IV.GRIS.EHE. | 2020-12-21T21:31:52.29 | 0.3 | undecidable | manual | P | 38 | 39.3273 | 171 | -0.17 | 79 |
IV.CET2.HHE. | 2020-12-21T21:31:52.08 | 0.3 | undecidable | manual | P | 77 | 33.6441 | 172 | -0.28 | 78 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SPS2.HHN. | ML:2.0 | 0.000013685455 | 0.1536 | AML | other | m | 2020-12-21T21:31:54.37 |
IV.JOPP.HHE. | ML:2.2 | 0.000023612075 | 0.064 | AML | other | m | 2020-12-21T21:31:54.93 |
IV.SPS2.HHE. | ML:1.5 | 0.000006998005 | 0.2432 | AML | other | m | 2020-12-21T21:31:55.14 |
IV.SERS.HHN. | ML:2.1 | 0.000020139015 | 0.2304 | AML | other | m | 2020-12-21T21:31:55.20 |
IV.JOPP.HHN. | ML:2.2 | 0.00002288859 | 0.1024 | AML | other | m | 2020-12-21T21:31:55.27 |
IV.CELI.HHN. | ML:1.8 | 0.0000098737915 | 0.2304 | AML | other | m | 2020-12-21T21:31:57.22 |
IV.MSRU.HHN. | ML:2.4 | 0.000033243115 | 0.8704 | AML | other | m | 2020-12-21T21:32:03.17 |
IV.SERS.HNN. | ML:2.3 | 0.000029430004999999998 | 0.8192 | AML | other | m | 2020-12-21T21:32:12.92 |
MN.TIP.HNE. | ML:2.6 | 0.00006061274499999999 | 0.576 | AML | other | m | 2020-12-21T21:32:18.76 |
IV.MSRU.HHE. | ML:2.5 | 0.000040865415000000005 | 0.96 | AML | other | m | 2020-12-21T21:32:24.88 |
IV.SERS.HNE. | ML:2.7 | 0.0000687869 | 1.536 | AML | other | m | 2020-12-21T21:32:26.81 |
IV.SERS.HHE. | ML:2.0 | 0.000015059755000000001 | 1.152 | AML | other | m | 2020-12-21T21:32:27.27 |