A magnitude Md 3.4 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 38.56, 15.47 at 215 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 |
Md 3.4 | 1985-01-21 11:55:31 |
38.56 | 15.47 | 215 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 699 |
Field | Value |
---|---|
Time (UTC) | 1985-01-21 11:55:31 ± 1.361 |
Latitude | 38.56 ± 0.05 |
Longitude | 15.47 ± 0.07 |
Depth (km) | 215 ± 13 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 699 |
Field | Value |
---|---|
Preferred uncertainty description | horizontal uncertainty |
Semi-major axis of confidence ellipse (meter) | |
Semi-minor axis of confidence ellipse (meter) | |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 8393.9 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 109 |
Number of associated phases, regardless of their use for origin computation | 33 |
Number of defining phases | 33 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.8 |
Epicentral distance of station closest to the epicenter (degree) | 0.00283 |
Epicentral distance of station farthest from the epicenter (degree) | 0.07269 |
Number of stations at which the event was observed | 28 |
Number of stations from which data was used for origin computation | 28 |
Field | Value |
---|---|
Value | 3.4 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 699 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:05:56 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ROB.Z. | 1985-01-21T11:57:33.70 | 10.0 | undecidable | manual | P | 317 | 0.0727 | 4.91 | 0.2 | |
--.IMP.Z. | 1985-01-21T11:57:32.50 | 10.0 | undecidable | manual | P | 315 | 0.0703 | 7.29 | 0 | |
--.FIN.Z. | 1985-01-21T11:57:30.80 | 10.0 | undecidable | manual | P | 318 | 0.0705 | 5.23 | 0.2 | |
--.LCI.Z. | 1985-01-21T11:56:55.20 | 10.0 | undecidable | manual | S | 48 | 0.0243 | 0.52 | 0.5 | |
--.PE1.Z. | 1985-01-21T11:56:54.00 | 10.0 | undecidable | manual | S | 33 | 0.0243 | -0.64 | 0.3 | |
--.AS1.Z. | 1985-01-21T11:56:47.50 | 10.0 | undecidable | manual | P | 335 | 0.0448 | -0.24 | 0.6 | |
--.SGO.Z. | 1985-01-21T11:56:44.00 | 10.0 | undecidable | manual | S | 356 | 0.018 | 2.52 | 0.2 | |
--.PO9.Z. | 1985-01-21T11:56:41.00 | 10.0 | undecidable | manual | P | 335 | 0.04 | 0.03 | 0.7 | |
--.ORI.Z. | 1985-01-21T11:56:36.00 | 10.0 | undecidable | manual | S | 26 | 0.015 | 0.17 | 0.3 | |
--.GIB.Z. | 1985-01-21T11:56:30.20 | 10.0 | undecidable | manual | S | 243 | 0.0113 | 0.31 | 0.5 | |
--.SD1.Z. | 1985-01-21T11:56:27.00 | 10.0 | undecidable | manual | P | 338 | 0.0305 | -0.76 | 0.8 | |
--.DUI.Z. | 1985-01-21T11:56:25.50 | 10.0 | undecidable | manual | P | 346 | 0.0287 | 0.17 | 0.8 | |
--.SGG.Z. | 1985-01-21T11:56:22.00 | 10.0 | undecidable | manual | P | 343 | 0.0265 | -0.4 | 1.7 | |
--.MSC.Z. | 1985-01-21T11:56:20.70 | 10.0 | positive | manual | P | 336 | 0.0258 | -0.85 | 1.7 | |
--.LCI.Z. | 1985-01-21T11:56:19.20 | 10.0 | positive | manual | P | 48 | 0.0243 | -0.42 | 1.8 | |
--.PE1.Z. | 1985-01-21T11:56:19.00 | 10.0 | undecidable | manual | P | 33 | 0.0243 | -0.59 | 0.9 | |
--.BAI.Z. | 1985-01-21T11:56:19.00 | 10.0 | undecidable | manual | P | 22 | 0.0249 | -1.31 | 0.8 | |
--.TR9.Z. | 1985-01-21T11:56:17.60 | 10.0 | positive | manual | P | 355 | 0.0223 | 0.41 | 1.8 | |
--.BS1.Z. | 1985-01-21T11:56:15.00 | 10.0 | undecidable | manual | P | 347 | 0.0204 | 0.22 | 0.9 | |
--.SOR.Z. | 1985-01-21T11:56:13.30 | 10.0 | positive | manual | P | 337 | 0.0198 | -0.74 | 1.8 | |
--.SGO.Z. | 1985-01-21T11:56:12.00 | 10.0 | positive | manual | P | 356 | 0.018 | 0.01 | 1.8 | |
--.FA1.Z. | 1985-01-21T11:56:12.00 | 10.0 | undecidable | manual | P | 228 | 0.0172 | 0.87 | 0.9 | |
--.ORI.Z. | 1985-01-21T11:56:09.50 | 10.0 | undecidable | manual | P | 26 | 0.015 | 0.77 | 0.8 | |
--.PA1.Z. | 1985-01-21T11:56:08.20 | 10.0 | negative | manual | P | 196 | 0.0142 | 0.16 | 1.8 | |
--.CSI.Z. | 1985-01-21T11:56:07.00 | 10.0 | undecidable | manual | P | 27 | 0.0124 | 0.8 | 0.8 | |
--.ROI.Z. | 1985-01-21T11:56:06.80 | 10.0 | undecidable | manual | P | 39 | 0.0118 | 1.06 | 1.6 | |
--.GIB.Z. | 1985-01-21T11:56:04.80 | 10.0 | negative | manual | P | 243 | 0.0113 | -0.5 | 1.8 | |
--.MT1.Z. | 1985-01-21T11:56:01.50 | 10.0 | undecidable | manual | P | 161 | 0.0051 | 0.41 | 1.8 | |
--.QR9.Z. | 1985-01-21T11:56:01.00 | 10.0 | undecidable | manual | P | 336 | 0.0227 | -16.64 | 0 | |
--.MSI.Z. | 1985-01-21T11:56:00.00 | 10.0 | undecidable | manual | P | 169 | 0.0032 | -0.39 | 0.9 | |
--.ML1.Z. | 1985-01-21T11:56:00.00 | 10.0 | undecidable | manual | P | 175 | 0.0039 | -0.59 | 1.8 | |
--.GZ1.Z. | 1985-01-21T11:55:59.90 | 10.0 | undecidable | manual | P | 157 | 0.0028 | -0.39 | 1.8 | |
--.MES.Z. | 1985-01-21T11:55:59.90 | 10.0 | undecidable | manual | P | 169 | 0.0032 | -0.5 | 0.9 |