A magnitude ML 2.2 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 38.7510, 15.6040 at 158 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 2.2 | 2013-08-20 20:17:45 |
38.7512 | 15.6035 | 158 | 2015-01-20 11:28:30 |
Bollettino Sismico Italiano INGV | 4735641 |
Reviewed Rev100 |
ML 2.2 | 2013-08-20 20:17:44 |
38.7343 | 15.609 | 161 | 2014-10-21 12:08:56 |
Sala Sismica INGV-Roma | 4303811 |
Field | Value |
---|---|
Time (UTC) | 2013-08-20 20:17:45 ± 0.3 |
Latitude | 38.7512 ± 0.0144 |
Longitude | 15.6035 ± 0.0415 |
Depth (km) | 158 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 4735641 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 3674 |
Semi-minor axis of confidence ellipse (meter) | 603 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 102 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 3670.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 190 |
Number of associated phases, regardless of their use for origin computation | 14 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.28 |
Epicentral distance of station closest to the epicenter (degree) | 0.26350 |
Epicentral distance of station farthest from the epicenter (degree) | 1.03782 |
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 | 2.2 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 4735641 |
Agency | INGV |
Autore | Manually reviewed by Franco Mele |
Time of creation (UTC) | 2015-01-15 13:04:15 |
Field | Value |
---|---|
Value | 2.2 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 4303811 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2013-08-20 20:26:00 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.T0702.EHZ. | 2013-08-20T20:18:30.54 | 0.3 | undecidable | manual | S | 21 | 115.1958 | 142 | 0.06 | 64 |
IV.CET2.HHZ. | 2013-08-20T20:18:27.38 | 0.1 | undecidable | manual | S | 19 | 91.4418 | 148 | -0.14 | 87 |
IV.CAR1.HHZ. | 2013-08-20T20:18:26.11 | 0.1 | undecidable | manual | S | 43 | 76.4679 | 153 | 0.18 | 90 |
IV.PLAC.HHZ. | 2013-08-20T20:18:26.14 | 0.1 | undecidable | manual | S | 115 | 79.7646 | 152 | -0.12 | 90 |
IV.MSRU.HHZ. | 2013-08-20T20:18:24.19 | 0.1 | undecidable | manual | S | 189 | 54.7008 | 160 | 0.16 | 93 |
IV.JOPP.HHZ. | 2013-08-20T20:18:22.44 | 0.1 | undecidable | manual | S | 123 | 29.2485 | 169 | -0.1 | 99 |
IV.CELI.HHZ. | 2013-08-20T20:18:11.23 | 0.1 | undecidable | manual | P | 47 | 106.3158 | 144 | 0.63 | 75 |
IV.T0702.EHZ. | 2013-08-20T20:18:11.32 | 0.1 | undecidable | manual | P | 21 | 115.1958 | 142 | 0.05 | 85 |
IV.CET2.HHZ. | 2013-08-20T20:18:09.43 | 0.1 | undecidable | manual | P | 19 | 91.4418 | 148 | -0.13 | 88 |
IV.CAR1.HHZ. | 2013-08-20T20:18:08.32 | 0.1 | undecidable | manual | P | 43 | 76.4679 | 153 | -0.32 | 87 |
IV.PLAC.HHZ. | 2013-08-20T20:18:08.62 | 0.1 | undecidable | manual | P | 115 | 79.7646 | 152 | -0.21 | 88 |
IV.MSCL.HHZ. | 2013-08-20T20:18:08.22 | 0.1 | undecidable | manual | P | 164 | 59.7957 | 158 | 0.45 | 87 |
IV.MSRU.HHZ. | 2013-08-20T20:18:07.21 | 0.1 | undecidable | manual | P | 189 | 54.7008 | 160 | -0.33 | 91 |
IV.JOPP.HHZ. | 2013-08-20T20:18:06.61 | 0.1 | undecidable | manual | P | 123 | 29.2485 | 169 | -0.07 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CAR1.HHN. | ML:2.0 | 0.0000373 | 0.34 | AML | other | m | 2013-08-20T20:18:26.93 |
IV.CAR1.HHE. | ML:2.1 | 0.00004625 | 0.24 | AML | other | m | 2013-08-20T20:18:27.27 |
IV.CET2.HHE. | ML:2.2 | 0.00006345 | 0.7 | AML | other | m | 2013-08-20T20:18:28.58 |
IV.CET2.HHN. | ML:2.4 | 0.0000854 | 0.78 | AML | other | m | 2013-08-20T20:18:28.86 |
IV.JOPP.HHN. | ML:1.9 | 0.000034500000000000005 | 1.06 | AML | other | m | 2013-08-20T20:18:23.30 |
IV.JOPP.HHE. | ML:1.9 | 0.000033050000000000004 | 1.12 | AML | other | m | 2013-08-20T20:18:25.27 |
IV.MSCL.HHN. | ML:2.5 | 0.0001325 | 0.48 | AML | other | m | 2013-08-20T20:18:15.31 |
IV.MSCL.HHE. | ML:2.5 | 0.0001315 | 0.3 | AML | other | m | 2013-08-20T20:18:15.19 |
IV.NOCI.HHE. | ML:2.8 | 0.00006984999999999999 | 0.28 | AML | other | m | 2013-08-20T20:18:53.14 |
IV.PLAC.HHE. | ML:1.9 | 0.000028049999999999997 | 0.62 | AML | other | m | 2013-08-20T20:18:26.85 |
IV.PLAC.HHN. | ML:2.0 | 0.00003505 | 0.9 | AML | other | m | 2013-08-20T20:18:27.39 |