A magnitude ML 1.9 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 38.4860, 12.8070 at 31 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 1.9 | 2020-02-18 00:35:24 |
38.4862 | 12.8067 | 31 | 2020-07-18 21:08:41 |
Bollettino Sismico Italiano INGV | 80293841 |
Reviewed Rev100 |
ML 1.8 | 2020-02-18 00:35:25 |
38.474 | 12.844 | 7 | 2020-02-18 00:50:39 |
Sala Sismica INGV-Roma | 76612911 |
Field | Value |
---|---|
Time (UTC) | 2020-02-18 00:35:24 ± 0.53 |
Latitude | 38.4862 ± 0.0171 |
Longitude | 12.8067 ± 0.0172 |
Depth (km) | 31 ± 5 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 80293841 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1578 |
Semi-minor axis of confidence ellipse (meter) | 1243 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 138 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1580.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 197 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.47 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 1.15923 |
Number of stations at which the event was observed | 14 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 76612911 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-02-18 00:50:39 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 80293841 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-06-18 18:27:32 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
XK.ALB1.HHZ. | 2020-02-18T00:36:44.77 | 3.0 | undecidable | manual | Sg | 0.05 | 0 | |||
IX.MNT3.HHZ.02 | 2020-02-18T00:36:10.43 | 3.0 | undecidable | manual | Pn | -0.07 | 0 | |||
IV.CORL.HHE. | 2020-02-18T00:35:49.32 | 0.6 | undecidable | manual | S | 146 | 78.6657 | 107 | 0.8 | 23 |
IV.SOLUN.HHE. | 2020-02-18T00:35:48.31 | 0.3 | undecidable | manual | S | 124 | 76.8675 | 107 | 0.25 | 46 |
IV.ALJA.HHE. | 2020-02-18T00:35:45.18 | 0.3 | undecidable | manual | P | 134 | 116.2947 | 54 | 1.6 | 0 |
IV.PLLN.EHN. | 2020-02-18T00:35:45.44 | 0.6 | undecidable | manual | P | 115 | 128.6712 | 54 | 0.31 | 0 |
IV.MBFT.HHZ. | 2020-02-18T00:35:44.66 | 0.3 | undecidable | manual | S | 168 | 61.2942 | 112 | 0.54 | 67 |
IV.CSLB.HHZ. | 2020-02-18T00:35:44.85 | 0.6 | undecidable | manual | P | 119 | 124.8861 | 54 | 0.2 | 0 |
IV.MPG.HHE. | 2020-02-18T00:35:43.23 | 0.6 | undecidable | manual | S | 127 | 60.0954 | 112 | -0.61 | 46 |
IV.ERC.EHN. | 2020-02-18T00:35:42.16 | 0.6 | undecidable | manual | S | 201 | 53.3022 | 115 | -0.01 | 51 |
IV.CAVT.HHZ. | 2020-02-18T00:35:41.32 | 0.3 | undecidable | manual | P | 183 | 89.6436 | 104 | 1.41 | 8 |
IV.USI.HHZ. | 2020-02-18T00:35:39.34 | 0.6 | undecidable | manual | S | 53 | 40.626 | 122 | 0.15 | 50 |
IV.CORL.HHE. | 2020-02-18T00:35:38.82 | 0.6 | undecidable | manual | P | 146 | 78.6657 | 107 | 0.54 | 26 |
IV.CRJA.HHZ. | 2020-02-18T00:35:38.58 | 0.3 | undecidable | manual | P | 167 | 77.8665 | 107 | 0.42 | 43 |
IV.LEVAN.EHN. | 2020-02-18T00:35:37.60 | 0.3 | undecidable | manual | P | 216 | 67.9764 | 109 | 0.88 | 56 |
IV.SOLUN.HHE. | 2020-02-18T00:35:37.71 | 0.3 | undecidable | manual | P | 124 | 76.8675 | 107 | -0.3 | 46 |
IV.MBFT.HHZ. | 2020-02-18T00:35:35.33 | 0.3 | undecidable | manual | P | 168 | 61.2942 | 112 | -0.41 | 72 |
IV.MPG.HHE. | 2020-02-18T00:35:34.06 | 0.3 | undecidable | manual | P | 127 | 60.0954 | 112 | -1.52 | 43 |
IV.ERC.EHN. | 2020-02-18T00:35:33.47 | 0.3 | undecidable | manual | P | 201 | 53.3022 | 115 | -1.14 | 53 |
IV.USI.HHZ. | 2020-02-18T00:35:33.14 | 0.1 | undecidable | manual | P | 53 | 40.626 | 122 | 0.25 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.USI.HHE. | ML:2.0 | 0.00027800000000000004 | 1.14 | AML | other | m | 2020-02-18T00:35:41.97 |
IV.USI.HHN. | ML:2.5 | 0.000944 | 0.2 | AML | other | m | 2020-02-18T00:35:42.07 |
IV.MBFT.HHE. | ML:1.8 | 0.00011335 | 0.3 | AML | other | m | 2020-02-18T00:35:45.18 |
IV.MBFT.HHN. | ML:1.8 | 0.0001078 | 0.3 | AML | other | m | 2020-02-18T00:35:45.51 |
IV.CRJA.HHE. | ML:1.8 | 0.00007555000000000001 | 0.78 | AML | other | m | 2020-02-18T00:35:51.53 |
IV.CRJA.HHN. | ML:1.8 | 0.00008985000000000002 | 0.58 | AML | other | m | 2020-02-18T00:35:51.90 |