A magnitude Md 2.2 earthquake occured in region: 4 km SW Norcia (PG), on
and geographic coordinates (lat, lon) 42.7650, 13.0590 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 | 4 | 4957 | 4957 |
Cascia | PG | 6 | 3217 | 8174 |
Poggiodomo | PG | 12 | 117 | 8291 |
Preci | PG | 13 | 724 | 9015 |
Cerreto di Spoleto | PG | 13 | 1075 | 10090 |
Monteleone di Spoleto | PG | 15 | 599 | 10689 |
Vallo di Nera | PG | 16 | 364 | 11053 |
Castelsantangelo sul Nera | MC | 16 | 281 | 11334 |
Accumoli | RI | 17 | 667 | 12001 |
Sellano | PG | 18 | 1079 | 13080 |
Cittareale | RI | 18 | 482 | 13562 |
Sant'Anatolia di Narco | PG | 19 | 564 | 14126 |
Visso | MC | 19 | 1107 | 15233 |
Scheggino | PG | 19 | 461 | 15694 |
Arquata del Tronto | AP | 20 | 1178 | 16872 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2 | 1990-03-29 17:46:35 |
42.765 | 13.059 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 113029 |
Field | Value |
---|---|
Time (UTC) | 1990-03-29 17:46:35 ± 0.196 |
Latitude | 42.7650 ± 0.0127 |
Longitude | 13.0590 ± 0.0161 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 113029 |
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) | 1926.7 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 128 |
Number of associated phases, regardless of their use for origin computation | 8 |
Number of defining phases | 8 |
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) | 0.00332 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00421 |
Number of stations at which the event was observed | 4 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 2.2 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 113029 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 18:45:02 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.MNS.Z. | 1990-03-29T17:46:53.00 | 10.0 | undecidable | manual | SG | 216 | 0.4662 | 0.74 | 0 | |
--.CIO.Z. | 1990-03-29T17:46:51.91 | 10.0 | undecidable | manual | SG | 8 | 0.4329 | 0.86 | 0 | |
--.ASS.Z. | 1990-03-29T17:46:50.48 | 10.0 | undecidable | manual | SG | 315 | 0.4107 | -0.14 | 0.5 | |
--.ALP.Z. | 1990-03-29T17:46:49.46 | 10.0 | undecidable | manual | SG | 87 | 0.3663 | 0.35 | 0.3 | |
--.MNS.Z. | 1990-03-29T17:46:45.00 | 10.0 | undecidable | manual | PG | 216 | 0.4662 | -0.06 | 1.3 | |
--.CIO.Z. | 1990-03-29T17:46:44.22 | 10.0 | undecidable | manual | PG | 8 | 0.4329 | -0.14 | 2.5 | |
--.ASS.Z. | 1990-03-29T17:46:43.98 | 10.0 | negative | manual | PG | 315 | 0.4107 | -0.13 | 2.5 | |
--.ALP.Z. | 1990-03-29T17:46:42.92 | 10.0 | undecidable | manual | PG | 87 | 0.3663 | -0.31 | 0.9 |