A magnitude ML 1.8 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 38.55, 15.37 at 158 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.
No Italian municipalities within 20 km distance.
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.8 | 2020-11-15 21:49:54 |
38.55 | 15.37 | 159 | 2020-11-15 22:05:34 |
Sala Sismica INGV-Roma | 84755811 |
Field | Value |
---|---|
Time (UTC) | 2020-11-15 21:49:54 ± 0.28 |
Latitude | 38.55 ± 0.02 |
Longitude | 15.37 ± 0.04 |
Depth (km) | 159 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 84755811 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 3140 |
Semi-minor axis of confidence ellipse (meter) | 1531 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 101 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 3140 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 225 |
Number of associated phases, regardless of their use for origin computation | 10 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.18 |
Epicentral distance of station closest to the epicenter (degree) | 0.30667 |
Epicentral distance of station farthest from the epicenter (degree) | 1.07559 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.2 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 84755811 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-11-15 22:05:34 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CET2.HHZ. | 2020-11-15T21:50:40.23 | 0.6 | undecidable | manual | S | 25 | 1.0756 | 141 | -0.37 | 41 |
IV.PLAC.HHZ. | 2020-11-15T21:50:37.29 | 0.6 | undecidable | manual | S | 97 | 0.84 | 148 | 0 | 46 |
IV.MSRU.HHZ. | 2020-11-15T21:50:32.56 | 0.6 | undecidable | manual | S | 160 | 0.3067 | 167 | 0.26 | 49 |
IV.JOPP.HHZ. | 2020-11-15T21:50:32.97 | 0.6 | undecidable | manual | S | 82 | 0.4047 | 163 | 0.06 | 50 |
XK.SELL.HHZ. | 2020-11-15T21:50:21.29 | 0.6 | negative | manual | P | 66 | 1.0693 | 141 | 0.22 | 42 |
IV.CET2.HHZ. | 2020-11-15T21:50:21.40 | 0.1 | undecidable | manual | P | 25 | 1.0756 | 141 | 0.26 | 83 |
IV.PLAC.HHZ. | 2020-11-15T21:50:19.21 | 0.1 | negative | manual | P | 97 | 0.84 | 148 | -0.01 | 93 |
IV.JOPP.HHZ. | 2020-11-15T21:50:16.61 | 0.1 | negative | manual | P | 82 | 0.4047 | 163 | -0.08 | 100 |
MN.CEL.HHZ. | 2020-11-15T21:50:16.95 | 0.3 | undecidable | manual | P | 125 | 0.5018 | 159 | -0.17 | 72 |
IV.MSRU.HHZ. | 2020-11-15T21:50:16.21 | 0.3 | undecidable | manual | P | 160 | 0.3067 | 167 | -0.13 | 76 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MSRU.HHE. | ML:2 | 4.177214E-5 | 15.36 | AML | other | m | 2020-11-15T21:50:34.12 |
IV.MSRU.HHN. | ML:1.8 | 3.172296E-5 | 5.4784 | AML | other | m | 2020-11-15T21:50:33.09 |
IV.JOPP.HHE. | ML:1.5 | 1.731994E-5 | 3.2512 | AML | other | m | 2020-11-15T21:50:37.50 |
IV.JOPP.HHN. | ML:1.7 | 1.752255E-5 | 1.4848 | AML | other | m | 2020-11-15T21:50:34.45 |
IV.MSRU.HHZ. | Md:2.3 | 34 | END | duration | s | ||
IV.JOPP.HHZ. | Md:2.3 | 33 | END | duration | s |