A magnitude ML 1.1 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 38.6010, 15.5990 at 4 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 1.1 | 2018-02-09 02:11:56 |
38.6013 | 15.5987 | 4 | 2019-04-24 14:49:45 |
Bollettino Sismico Italiano INGV | 65024051 |
Reviewed Rev100 |
ML 1.1 | 2018-02-09 02:11:57 |
38.6203 | 15.6443 | 10 | 2018-02-09 02:35:26 |
Sala Sismica INGV-Roma | 53776361 |
Field | Value |
---|---|
Time (UTC) | 2018-02-09 02:11:56 ± 0.11 |
Latitude | 38.6013 ± 0.0054 |
Longitude | 15.5987 ± 0.0058 |
Depth (km) | 4 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 65024051 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 617 |
Semi-minor axis of confidence ellipse (meter) | 153 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 174 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 620.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 144 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.21 |
Epicentral distance of station closest to the epicenter (degree) | 0.22393 |
Epicentral distance of station farthest from the epicenter (degree) | 0.67359 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.4 |
Num. used stations | 3 |
Type of magnitude | ML |
Reference to an origin | 65024051 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2019-01-28 13:26:12 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.4 |
Num. used stations | 3 |
Type of magnitude | ML |
Reference to an origin | 53776361 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2018-02-09 02:35:26 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SOI.EHE. | 2018-02-09T02:12:19.45 | 0.6 | undecidable | manual | S | 146 | 70.7736 | 50 | -0.17 | 46 |
MN.CEL.HHZ. | 2018-02-09T02:12:12.36 | 0.6 | undecidable | manual | S | 146 | 45.7209 | 95 | -0.34 | 47 |
IV.MSRU.HHZ. | 2018-02-09T02:12:10.05 | 0.6 | undecidable | manual | S | 192 | 38.2284 | 96 | -0.07 | 50 |
IV.SOI.EHE. | 2018-02-09T02:12:10.18 | 0.3 | undecidable | manual | P | 146 | 70.7736 | 50 | 0.22 | 69 |
IV.PLAC.HHE. | 2018-02-09T02:12:10.42 | 0.3 | undecidable | manual | P | 103 | 74.7696 | 50 | -0.17 | 69 |
IV.IVPL.HHZ. | 2018-02-09T02:12:08.50 | 0.3 | undecidable | manual | P | 245 | 59.1963 | 50 | 0.31 | 69 |
IV.MPNC.HHZ. | 2018-02-09T02:12:07.35 | 0.3 | undecidable | manual | P | 203 | 54.8007 | 50 | -0.16 | 72 |
IV.JOPP.HHZ. | 2018-02-09T02:12:05.53 | 0.6 | undecidable | manual | S | 89 | 24.8529 | 100 | 0 | 52 |
MN.CEL.HHZ. | 2018-02-09T02:12:05.93 | 0.3 | undecidable | manual | P | 146 | 45.7209 | 95 | -0.03 | 75 |
IV.MSRU.HHZ. | 2018-02-09T02:12:04.68 | 0.1 | undecidable | manual | P | 192 | 38.2284 | 96 | 0.21 | 97 |
IV.IST3.HHZ. | 2018-02-09T02:12:04.23 | 0.3 | undecidable | manual | P | 305 | 38.7279 | 96 | -0.34 | 71 |
IV.JOPP.HHZ. | 2018-02-09T02:12:02.02 | 0.1 | undecidable | manual | P | 89 | 24.8529 | 100 | 0.2 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.JOPP.HHE. | ML:0.5 | 0.000020681328 | 0.2192 | AML | other | m | 2018-02-09T02:12:06.28 |
IV.MSRU.HHN. | ML:1.2 | 0.000058355865 | 0.32 | AML | other | m | 2018-02-09T02:12:10.26 |
IV.MSRU.HHE. | ML:1.2 | 0.000062970375 | 0.12 | AML | other | m | 2018-02-09T02:12:12.22 |