A magnitude Md 1.7 earthquake occured in region: 6 km SE Norcia (PG), on
and geographic coordinates (lat, lon) 42.7490, 13.1300 at 10 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 |
---|---|---|---|---|
Norcia | PG | 6 | 4957 | 4957 |
Cascia | PG | 10 | 3217 | 8174 |
Accumoli | RI | 11 | 667 | 8841 |
Arquata del Tronto | AP | 14 | 1178 | 10019 |
Cittareale | RI | 15 | 482 | 10501 |
Preci | PG | 16 | 724 | 11225 |
Poggiodomo | PG | 16 | 117 | 11342 |
Castelsantangelo sul Nera | MC | 16 | 281 | 11623 |
Monteleone di Spoleto | PG | 18 | 599 | 12222 |
Amatrice | RI | 19 | 2657 | 14879 |
Cerreto di Spoleto | PG | 19 | 1075 | 15954 |
Montegallo | AP | 20 | 523 | 16477 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 1.7 | 1985-06-21 07:46:17 |
42.749 | 13.13 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 8849 |
Field | Value |
---|---|
Time (UTC) | 1985-06-21 07:46:17 ± 0.194 |
Latitude | 42.7490 ± 0.0136 |
Longitude | 13.1300 ± 0.0160 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 8849 |
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) | 1995.7 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 142 |
Number of associated phases, regardless of their use for origin computation | 6 |
Number of defining phases | 6 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.4 |
Epicentral distance of station closest to the epicenter (degree) | 0.00194 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00397 |
Number of stations at which the event was observed | 3 |
Number of stations from which data was used for origin computation | 3 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 8849 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:12:47 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.CM2.Z. | 1985-06-21T07:46:32.60 | 10.0 | undecidable | manual | SG | 0 | 0.444 | -0.61 | 0.4 | |
--.ALP.Z. | 1985-06-21T07:46:29.60 | 10.0 | undecidable | manual | SG | 84 | 0.3108 | 0.3 | 1 | |
--.CM2.Z. | 1985-06-21T07:46:27.00 | 10.0 | undecidable | manual | PG | 0 | 0.444 | 0.62 | 0.7 | |
--.PO9.Z. | 1985-06-21T07:46:26.50 | 10.0 | undecidable | manual | SG | 218 | 0.2109 | 0.39 | 0.6 | |
--.ALP.Z. | 1985-06-21T07:46:23.80 | 10.0 | undecidable | manual | PG | 84 | 0.3108 | -0.32 | 1.6 | |
--.PO9.Z. | 1985-06-21T07:46:22.00 | 10.0 | undecidable | manual | PG | 218 | 0.2109 | -0.28 | 1.7 |