A magnitude ML 1.8 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 38.7710, 15.6100 at 154 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 | 2020-08-14 22:30:35 |
38.7712 | 15.6098 | 154 | 2020-11-19 12:36:58 |
Bollettino Sismico Italiano INGV | 82341381 |
Reviewed Rev100 |
ML 1.8 | 2020-08-14 22:30:33 |
38.8578 | 15.3365 | 153 | 2020-08-14 22:43:57 |
Sala Sismica INGV-Roma | 81987571 |
Field | Value |
---|---|
Time (UTC) | 2020-08-14 22:30:35 ± 0.3 |
Latitude | 38.7712 ± 0.0126 |
Longitude | 15.6098 ± 0.0415 |
Depth (km) | 154 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 82341381 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 3576 |
Semi-minor axis of confidence ellipse (meter) | 603 |
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) | 3580.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 178 |
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) | 0.23 |
Epicentral distance of station closest to the epicenter (degree) | 0.27070 |
Epicentral distance of station farthest from the epicenter (degree) | 1.24286 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 81987571 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-08-14 22:43:57 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 82341381 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-08-26 08:29:55 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
MN.CUC.HHE. | 2020-08-14T22:31:22.91 | 0.6 | undecidable | manual | S | 7 | 136.7631 | 136 | 0 | 41 |
IV.CAR1.HHZ. | 2020-08-14T22:31:14.92 | 0.3 | undecidable | manual | S | 44 | 74.4699 | 152 | -0.01 | 70 |
MN.CEL.HHZ. | 2020-08-14T22:31:14.20 | 0.6 | undecidable | manual | S | 156 | 61.7937 | 157 | 0.45 | 44 |
IV.MSRU.HHZ. | 2020-08-14T22:31:13.24 | 0.6 | undecidable | manual | S | 189 | 56.8986 | 158 | -0.11 | 48 |
IV.JOPP.HHZ. | 2020-08-14T22:31:11.49 | 0.6 | undecidable | manual | S | 127 | 30.0477 | 168 | -0.19 | 49 |
IV.SALB.HHZ. | 2020-08-14T22:31:03.70 | 0.6 | undecidable | manual | P | 27 | 137.9619 | 135 | 0.88 | 32 |
MN.CUC.HHE. | 2020-08-14T22:31:02.40 | 0.6 | undecidable | manual | P | 7 | 136.7631 | 136 | -0.31 | 39 |
IV.PLAC.HHZ. | 2020-08-14T22:30:58.32 | 0.1 | positive | manual | P | 116 | 80.1642 | 151 | -0.13 | 91 |
IV.CAR1.HHZ. | 2020-08-14T22:30:58.01 | 0.1 | undecidable | manual | P | 44 | 74.4699 | 152 | -0.11 | 92 |
MN.CEL.HHZ. | 2020-08-14T22:30:57.24 | 0.1 | undecidable | manual | P | 156 | 61.7937 | 157 | -0.19 | 93 |
IV.MSRU.HHZ. | 2020-08-14T22:30:57.31 | 0.6 | positive | manual | P | 189 | 56.8986 | 158 | 0.11 | 47 |
IV.JOPP.HHZ. | 2020-08-14T22:30:56.33 | 0.1 | undecidable | manual | P | 127 | 30.0477 | 168 | 0.09 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.JOPP.HHN. | ML:1.9 | 0.000037190694999999996 | 0.3072 | AML | other | m | 2020-08-14T22:31:12.61 |
IV.JOPP.HHE. | ML:1.8 | 0.000028845559999999998 | 0.1664 | AML | other | m | 2020-08-14T22:31:13.23 |
MN.CEL.HHE. | ML:1.5 | 0.000012150975000000001 | 0.9248 | AML | other | m | 2020-08-14T22:31:15.00 |
MN.CEL.HHN. | ML:1.5 | 0.000017374235000000003 | 3.4176 | AML | other | m | 2020-08-14T22:31:14.36 |
IV.MSRU.HHN. | ML:1.7 | 0.0000202569635 | 0.32 | AML | other | m | 2020-08-14T22:31:15.22 |
IV.MSRU.HHE. | ML:1.8 | 0.000025666255999999998 | 0.256 | AML | other | m | 2020-08-14T22:31:14.14 |
IV.CAR1.HHN. | ML:1.8 | 0.000026084379999999996 | 0.256 | AML | other | m | 2020-08-14T22:31:17.06 |
IV.CAR1.HHE. | ML:2.1 | 0.00004993334 | 0.2432 | AML | other | m | 2020-08-14T22:31:15.87 |