A magnitude ML 1.8 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 38.8910, 15.5830 at 89 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 1.8 | 2021-01-01 20:06:16 |
38.891 | 15.5832 | 89 | 2021-07-12 16:54:56 |
Bollettino Sismico Italiano INGV | 86427371 |
Reviewed Rev100 |
ML 1.7 | 2021-01-01 20:06:17 |
38.8717 | 15.527 | 77 | 2021-01-01 20:16:52 |
Sala Sismica INGV-Roma | 85947271 |
Field | Value |
---|---|
Time (UTC) | 2021-01-01 20:06:16 ± 0.17 |
Latitude | 38.8910 ± 0.0063 |
Longitude | 15.5832 ± 0.0116 |
Depth (km) | 89 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 86427371 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1014 |
Semi-minor axis of confidence ellipse (meter) | 388 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 299 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1010.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 170 |
Number of associated phases, regardless of their use for origin computation | 24 |
Number of defining phases | 24 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.19 |
Epicentral distance of station closest to the epicenter (degree) | 0.36872 |
Epicentral distance of station farthest from the epicenter (degree) | 0.89662 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 13 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 86427371 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-01-21 10:39:05 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.1 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 85947271 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-01-01 20:16:52 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CELI.HHZ. | 2021-01-01T20:06:49.64 | 0.3 | undecidable | manual | S | 54 | 97.8243 | 126 | 0.58 | 59 |
IV.PLAC.HHZ. | 2021-01-01T20:06:47.25 | 0.6 | undecidable | manual | S | 123 | 88.8444 | 130 | -0.28 | 44 |
IV.SPS2.HHZ. | 2021-01-01T20:06:45.77 | 0.3 | undecidable | manual | S | 55 | 78.7656 | 133 | -0.14 | 69 |
IV.CET2.HHZ. | 2021-01-01T20:06:45.56 | 0.6 | undecidable | manual | S | 24 | 77.6667 | 134 | -0.17 | 45 |
MN.CEL.HHZ. | 2021-01-01T20:06:45.42 | 0.6 | undecidable | manual | S | 159 | 74.9694 | 135 | 0.1 | 46 |
IV.MILZ.HHN. | 2021-01-01T20:06:45.69 | 0.6 | undecidable | manual | S | 204 | 75.1692 | 135 | 0.33 | 44 |
IV.MSRU.HHE. | 2021-01-01T20:06:44.72 | 0.6 | undecidable | manual | S | 185 | 69.8745 | 137 | 0.16 | 46 |
IV.SICLA.EHN. | 2021-01-01T20:06:44.52 | 0.6 | undecidable | manual | S | 171 | 71.373 | 136 | -0.25 | 45 |
IV.FERC.HNZ. | 2021-01-01T20:06:44.22 | 0.6 | undecidable | manual | S | 136 | 67.7766 | 138 | -0.03 | 48 |
XK.GIZZ.HHZ. | 2021-01-01T20:06:42.27 | 0.3 | undecidable | manual | S | 79 | 54.8007 | 144 | -0.23 | 71 |
IV.JOPP.HHE. | 2021-01-01T20:06:41.01 | 0.6 | undecidable | manual | S | 140 | 40.9257 | 152 | 0.07 | 49 |
IV.SOI.EHN. | 2021-01-01T20:06:36.38 | 0.6 | undecidable | manual | P | 156 | 99.5226 | 126 | 0.76 | 37 |
IV.CELI.HHZ. | 2021-01-01T20:06:35.67 | 0.3 | undecidable | manual | P | 54 | 97.8243 | 126 | 0.23 | 65 |
IV.GRIS.HNE. | 2021-01-01T20:06:35.81 | 0.6 | undecidable | manual | P | 14 | 97.0251 | 127 | 0.44 | 42 |
IV.PLAC.HHZ. | 2021-01-01T20:06:34.51 | 0.1 | undecidable | manual | P | 123 | 88.8444 | 130 | -0.05 | 91 |
IV.MILZ.HHN. | 2021-01-01T20:06:33.36 | 0.1 | positive | manual | P | 204 | 75.1692 | 135 | 0.05 | 94 |
IV.CET2.HHZ. | 2021-01-01T20:06:33.51 | 0.1 | negative | manual | P | 24 | 77.6667 | 134 | -0.01 | 93 |
IV.SPS2.HHZ. | 2021-01-01T20:06:33.48 | 0.1 | undecidable | manual | P | 55 | 78.7656 | 133 | -0.15 | 91 |
MN.CEL.HHZ. | 2021-01-01T20:06:33.25 | 0.3 | undecidable | manual | P | 159 | 74.9694 | 135 | -0.04 | 70 |
IV.SICLA.EHN. | 2021-01-01T20:06:32.80 | 0.1 | undecidable | manual | P | 171 | 71.373 | 136 | -0.17 | 92 |
IV.MSRU.HHE. | 2021-01-01T20:06:32.71 | 0.1 | positive | manual | P | 185 | 69.8745 | 137 | -0.14 | 92 |
IV.FERC.HNZ. | 2021-01-01T20:06:32.67 | 0.3 | undecidable | manual | P | 136 | 67.7766 | 138 | 0 | 72 |
XK.GIZZ.HHZ. | 2021-01-01T20:06:31.46 | 0.3 | undecidable | manual | P | 79 | 54.8007 | 144 | -0.2 | 71 |
IV.JOPP.HHE. | 2021-01-01T20:06:30.73 | 0.1 | positive | manual | P | 140 | 40.9257 | 152 | -0.03 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
MN.CEL.HNN. | ML:2.1 | 0.000089716085 | 0.768 | AML | other | m | 2021-01-01T20:06:44.62 |
IV.CET2.HHE. | ML:2.0 | 0.000071513785 | 1.4976 | AML | other | m | 2021-01-01T20:06:45.97 |
IV.SPS2.HHN. | ML:1.8 | 0.0000436 | 0.28 | AML | other | m | 2021-01-01T20:06:46.84 |
IV.CET2.HHN. | ML:2.1 | 0.00009135941 | 0.1024 | AML | other | m | 2021-01-01T20:06:47.07 |
MN.CEL.HHE. | ML:1.5 | 0.000023062842 | 0.4608 | AML | other | m | 2021-01-01T20:06:47.90 |
IV.SPS2.HHE. | ML:1.5 | 0.000024720760000000003 | 0.2688 | AML | other | m | 2021-01-01T20:06:47.80 |
IV.PLAC.HHE. | ML:1.7 | 0.00003293063 | 1.1008 | AML | other | m | 2021-01-01T20:06:53.15 |
IV.PLAC.HHN. | ML:1.7 | 0.00003543826 | 0.4864 | AML | other | m | 2021-01-01T20:06:53.66 |