A magnitude ML 2.1 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 38.5050, 15.5310 at 131 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 2.1 | 2012-08-16 21:23:42 |
38.5053 | 15.5313 | 131 | 2014-09-19 08:14:18 |
Bollettino Sismico Italiano INGV | 3469721 |
Field | Value |
---|---|
Time (UTC) | 2012-08-16 21:23:42 ± 0.48 |
Latitude | 38.5053 ± 0.0630 |
Longitude | 15.5313 ± 0.0621 |
Depth (km) | 131 ± 4 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 3469721 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 8143 |
Semi-minor axis of confidence ellipse (meter) | 2921 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 146 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 8140.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 160 |
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) | 0.37 |
Epicentral distance of station closest to the epicenter (degree) | 0.24192 |
Epicentral distance of station farthest from the epicenter (degree) | 1.16822 |
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 | 2.1 |
Uncertainty | 0.1 |
Num. used stations | 5 |
Type of magnitude | ML |
Reference to an origin | 3469721 |
Agency | INGV |
Autore | Manually reviewed by Franco Mele |
Time of creation (UTC) | 2014-09-18 12:46:13 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MCSR.HHZ. | 2012-08-16T21:24:16.38 | 0.6 | undecidable | manual | S | 208 | 55.5 | 155 | 0.55 | 43 |
IV.JOPP.HHZ. | 2012-08-16T21:24:14.53 | 0.6 | undecidable | manual | S | 70 | 32.745 | 165 | 0.38 | 47 |
IV.MSCL.HHZ. | 2012-08-16T21:24:14.34 | 0.6 | undecidable | manual | S | 143 | 37.7289 | 163 | -0.11 | 48 |
IV.MSRU.HHZ. | 2012-08-16T21:24:13.48 | 0.3 | undecidable | manual | S | 184 | 26.8509 | 167 | -0.37 | 70 |
MN.TIP.HHZ. | 2012-08-16T21:24:06.42 | 0.3 | undecidable | manual | P | 54 | 129.6702 | 132 | -0.81 | 50 |
IV.SERS.HHZ. | 2012-08-16T21:24:06.54 | 0.1 | undecidable | manual | P | 59 | 116.0949 | 135 | 0.54 | 76 |
IV.PLAC.HNZ. | 2012-08-16T21:24:03.25 | 0.1 | undecidable | manual | P | 94 | 78.9654 | 146 | 0.18 | 89 |
IV.MCSR.HHZ. | 2012-08-16T21:24:02.07 | 0.3 | undecidable | manual | P | 208 | 55.5 | 155 | 0.43 | 66 |
IV.IVPL.HHZ. | 2012-08-16T21:24:01.36 | 0.3 | undecidable | manual | P | 254 | 50.0166 | 157 | 0 | 73 |
IV.MSCL.HHZ. | 2012-08-16T21:24:00.62 | 0.1 | undecidable | manual | P | 143 | 37.7289 | 163 | -0.22 | 95 |
IV.MSRU.HHZ. | 2012-08-16T21:24:00.10 | 0.1 | undecidable | manual | P | 184 | 26.8509 | 167 | -0.39 | 94 |
IV.JOPP.HHZ. | 2012-08-16T21:24:00.67 | 0.1 | undecidable | manual | P | 70 | 32.745 | 165 | 0.01 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.JOPP.HHN. | ML:2.1 | 0.000073 | 1 | AML | other | m | 2012-08-16T21:25:15.62 |
IV.JOPP.HHE. | ML:2.1 | 0.0000793 | 1.36 | AML | other | m | 2012-08-16T21:25:15.70 |
IV.MGR.HHN. | ML:2.2 | 0.00003645 | 0.5 | AML | other | m | 2012-08-16T21:25:30.77 |
IV.MGR.HHE. | ML:2.1 | 0.00003265 | 0.56 | AML | other | m | 2012-08-16T21:25:32.63 |
IV.MSCL.HHE. | ML:2.2 | 0.00008999999999999999 | 0.96 | AML | other | m | 2012-08-16T21:24:17.46 |
IV.MSCL.HHN. | ML:2.2 | 0.00008975 | 0.78 | AML | other | m | 2012-08-16T21:24:17.67 |
IV.SERS.HHE. | ML:2.2 | 0.0000656 | 0.48 | AML | other | m | 2012-08-16T21:25:01.93 |
IV.SERS.HHN. | ML:2.2 | 0.0000674 | 0.56 | AML | other | m | 2012-08-16T21:25:04.50 |
MN.TIP.HHN. | ML:2.1 | 0.000044999999999999996 | 0.8 | AML | other | m | 2012-08-16T21:25:01.02 |
MN.TIP.HHE. | ML:1.9 | 0.0000264 | 0.9 | AML | other | m | 2012-08-16T21:25:02.06 |