A magnitude Md 2.1 earthquake occured in region: 1 km SE Sellano (PG), on
and geographic coordinates (lat, lon) 42.8810, 12.9340 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 |
---|---|---|---|---|
Sellano | PG | 1 | 1079 | 1079 |
Cerreto di Spoleto | PG | 7 | 1075 | 2154 |
Preci | PG | 9 | 724 | 2878 |
Vallo di Nera | PG | 14 | 364 | 3242 |
Visso | MC | 14 | 1107 | 4349 |
Monte Cavallo | MC | 14 | 145 | 4494 |
Campello sul Clitunno | PG | 14 | 2442 | 6936 |
Trevi | PG | 15 | 8469 | 15405 |
Norcia | PG | 16 | 4957 | 20362 |
Castelsantangelo sul Nera | MC | 18 | 281 | 20643 |
Sant'Anatolia di Narco | PG | 18 | 564 | 21207 |
Ussita | MC | 18 | 444 | 21651 |
Poggiodomo | PG | 19 | 117 | 21768 |
Cascia | PG | 19 | 3217 | 24985 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1
ML-VAX 1.9 |
1991-07-04 16:24:35 |
42.881 | 12.934 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 144629 |
Field | Value |
---|---|
Time (UTC) | 1991-07-04 16:24:35 ± 0.122 |
Latitude | 42.8810 ± 0.0074 |
Longitude | 12.9340 ± 0.0109 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 144629 |
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) | 1215.7 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 110 |
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) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00186 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00550 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 144629 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 19:15:02 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | |
Num. used stations | 1 |
Type of magnitude | ML |
Reference to an origin | 144629 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2015-04-28 13:07:13 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ARV.Z. | 1991-07-04T16:24:58.20 | 10.0 | undecidable | manual | SG | 0 | 0.6105 | 0.52 | 0.2 | |
--.MNS.Z. | 1991-07-04T16:24:54.44 | 10.0 | undecidable | manual | SG | 200 | 0.5217 | -0.25 | 0.6 | |
--.ALP.Z. | 1991-07-04T16:24:53.35 | 10.0 | undecidable | manual | SG | 102 | 0.4662 | 0.42 | 0.4 | |
--.CIO.Z. | 1991-07-04T16:24:48.35 | 10.0 | undecidable | manual | SG | 26 | 0.3441 | -0.54 | 0.2 | |
--.ARV.Z. | 1991-07-04T16:24:48.17 | 10.0 | undecidable | manual | PG | 0 | 0.6105 | -0.15 | 1.6 | |
--.ASS.Z. | 1991-07-04T16:24:46.52 | 10.0 | undecidable | manual | SG | 311 | 0.2664 | 0.04 | 0.9 | |
--.MNS.Z. | 1991-07-04T16:24:46.51 | 10.0 | undecidable | manual | PG | 200 | 0.5217 | -0.18 | 1.6 | |
--.ALP.Z. | 1991-07-04T16:24:45.94 | 10.0 | undecidable | manual | PG | 102 | 0.4662 | 0.26 | 1.5 | |
--.CIO.Z. | 1991-07-04T16:24:43.16 | 10.0 | undecidable | manual | PG | 26 | 0.3441 | -0.18 | 1.9 | |
--.RMF.Z. | 1991-07-04T16:24:43.68 | 10.0 | undecidable | manual | SG | 70 | 0.2109 | -0.88 | 0 | |
--.ASS.Z. | 1991-07-04T16:24:42.11 | 10.0 | undecidable | manual | PG | 311 | 0.2664 | 0.15 | 1.9 | |
--.RMF.Z. | 1991-07-04T16:24:41.17 | 10.0 | undecidable | manual | PG | 70 | 0.2109 | 0.32 | 1.3 |