A magnitude ML 1.7 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 38.4060, 15.4150 at 117 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.
Municipality | Region | Distance (km) | Inhabitants | Cumulative Inhabitants |
---|---|---|---|---|
Villafranca Tirrena | ME | 19 | 8584 | 8584 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.7 | 2015-04-16 01:59:41 |
38.406 | 15.4147 | 117 | 2015-10-19 09:28:02 |
Bollettino Sismico Italiano INGV | 20410661 |
Reviewed Rev100 |
ML 1.7 | 2015-04-16 01:59:41 |
38.3855 | 15.3758 | 120 | 2015-04-16 02:07:56 |
Sala Sismica INGV-Roma | 18436751 |
Field | Value |
---|---|
Time (UTC) | 2015-04-16 01:59:41 ± 0.32 |
Latitude | 38.4060 ± 0.0144 |
Longitude | 15.4147 ± 0.0195 |
Depth (km) | 117 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 20410661 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1790 |
Semi-minor axis of confidence ellipse (meter) | 1134 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 301 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1790.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 115 |
Number of associated phases, regardless of their use for origin computation | 21 |
Number of defining phases | 21 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.36 |
Epicentral distance of station closest to the epicenter (degree) | 0.16008 |
Epicentral distance of station farthest from the epicenter (degree) | 1.19790 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.1 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 18436751 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2015-04-16 02:07:56 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.1 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 20410661 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2015-07-21 07:35:23 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CAR1.HHZ. | 2015-04-16T02:00:20.75 | 0.1 | undecidable | manual | S | 36 | 116.4945 | 131 | -0.03 | 87 |
IV.PLAC.HHZ. | 2015-04-16T02:00:16.87 | 0.1 | undecidable | manual | S | 87 | 89.0442 | 139 | 0.26 | 87 |
IV.MPAZ.HHZ. | 2015-04-16T02:00:14.41 | 0.1 | undecidable | manual | S | 134 | 72.0723 | 146 | 0.04 | 94 |
IV.GMB.BHE. | 2015-04-16T02:00:12.07 | 0.1 | undecidable | manual | S | 126 | 44.7219 | 157 | 0.53 | 89 |
IV.JOPP.HHZ. | 2015-04-16T02:00:11.58 | 0.1 | undecidable | manual | S | 61 | 46.5201 | 156 | -0.12 | 97 |
IV.IVPL.HHE. | 2015-04-16T02:00:11.38 | 0.1 | undecidable | manual | S | 265 | 37.9287 | 160 | 0.37 | 93 |
IV.MCSR.HHZ. | 2015-04-16T02:00:11.80 | 0.1 | undecidable | manual | S | 203 | 41.1255 | 159 | 0.55 | 89 |
IV.MPNC.HHE. | 2015-04-16T02:00:10.16 | 0.1 | undecidable | manual | S | 191 | 29.2485 | 165 | -0.29 | 97 |
IV.MSRU.HHZ. | 2015-04-16T02:00:09.42 | 0.1 | undecidable | manual | S | 153 | 17.7711 | 171 | -0.5 | 94 |
IV.MILZ.HHE. | 2015-04-16T02:00:09.71 | 0.1 | undecidable | manual | S | 227 | 21.867 | 168 | -0.37 | 97 |
IV.CET2.HHZ. | 2015-04-16T02:00:06.15 | 0.1 | undecidable | manual | P | 20 | 132.9669 | 127 | 0.34 | 78 |
IV.CAR1.HHZ. | 2015-04-16T02:00:04.11 | 0.1 | undecidable | manual | P | 36 | 116.4945 | 131 | -0.11 | 85 |
IV.PLAC.HHZ. | 2015-04-16T02:00:01.84 | 0.1 | undecidable | manual | P | 87 | 89.0442 | 139 | 0.03 | 92 |
IV.MPAZ.HHZ. | 2015-04-16T02:00:00.13 | 0.1 | undecidable | manual | P | 134 | 72.0723 | 146 | -0.39 | 87 |
IV.MCSR.HHZ. | 2015-04-16T01:59:59.06 | 0.1 | undecidable | manual | P | 203 | 41.1255 | 159 | 0.34 | 94 |
IV.GMB.BHE. | 2015-04-16T01:59:59.02 | 0.1 | undecidable | manual | P | 126 | 44.7219 | 157 | 0.14 | 97 |
IV.IVPL.HHE. | 2015-04-16T01:59:58.52 | 0.1 | undecidable | manual | P | 265 | 37.9287 | 160 | -0.06 | 100 |
IV.MPNC.HHE. | 2015-04-16T01:59:58.90 | 0.1 | undecidable | manual | P | 191 | 29.2485 | 165 | 0.64 | 87 |
IV.JOPP.HHZ. | 2015-04-16T01:59:58.76 | 0.1 | undecidable | manual | P | 61 | 46.5201 | 156 | -0.22 | 95 |
IV.MILZ.HHE. | 2015-04-16T01:59:57.63 | 0.1 | undecidable | manual | P | 227 | 21.867 | 168 | -0.41 | 95 |
IV.MSRU.HHZ. | 2015-04-16T01:59:57.37 | 0.1 | undecidable | manual | P | 153 | 17.7711 | 171 | -0.58 | 91 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CAR1.HHN. | ML:1.7 | 0.00002025 | 0.96 | AML | other | m | 2015-04-16T02:00:22.29 |
IV.CAR1.HHE. | ML:1.7 | 0.00002225 | 0.3 | AML | other | m | 2015-04-16T02:00:23.91 |
IV.CET2.HHE. | ML:1.7 | 0.00002 | 1.14 | AML | other | m | 2015-04-16T02:00:25.79 |
IV.CET2.HHN. | ML:1.9 | 0.00002945 | 0.52 | AML | other | m | 2015-04-16T02:00:26.81 |
IV.JOPP.HHN. | ML:1.6 | 0.00002875 | 0.62 | AML | other | m | 2015-04-16T02:00:13.07 |
IV.JOPP.HHE. | ML:1.5 | 0.000018599999999999998 | 1 | AML | other | m | 2015-04-16T02:00:13.95 |
IV.MCSR.HHN. | ML:1.9 | 0.0000535 | 1.3 | AML | other | m | 2015-04-16T02:00:14.11 |
IV.MCSR.HHE. | ML:1.7 | 0.000037199999999999996 | 0.28 | AML | other | m | 2015-04-16T02:00:16.06 |
IV.MPAZ.HHN. | ML:1.7 | 0.00003025 | 0.34 | AML | other | m | 2015-04-16T02:00:15.90 |
IV.MPAZ.HHE. | ML:1.5 | 0.000019200000000000003 | 0.7 | AML | other | m | 2015-04-16T02:00:15.66 |
IV.MSRU.HHN. | ML:1.7 | 0.00003715 | 1 | AML | other | m | 2015-04-16T02:00:10.50 |
IV.MSRU.HHE. | ML:1.8 | 0.0000513 | 1.04 | AML | other | m | 2015-04-16T02:00:10.83 |