A magnitude Md 2.2 earthquake occured in region: 2 km NW Norcia (PG), on
and geographic coordinates (lat, lon) 42.8080, 13.0710 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 | 3 | 4957 | 4957 |
Preci | PG | 8 | 724 | 5681 |
Cascia | PG | 11 | 3217 | 8898 |
Castelsantangelo sul Nera | MC | 12 | 281 | 9179 |
Cerreto di Spoleto | PG | 13 | 1075 | 10254 |
Visso | MC | 14 | 1107 | 11361 |
Sellano | PG | 15 | 1079 | 12440 |
Poggiodomo | PG | 15 | 117 | 12557 |
Ussita | MC | 16 | 444 | 13001 |
Vallo di Nera | PG | 18 | 364 | 13365 |
Arquata del Tronto | AP | 19 | 1178 | 14543 |
Accumoli | RI | 19 | 667 | 15210 |
Monteleone di Spoleto | PG | 20 | 599 | 15809 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2 | 1985-08-11 03:09:35 |
42.808 | 13.071 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 11499 |
Field | Value |
---|---|
Time (UTC) | 1985-08-11 03:09:35 ± 0.247 |
Latitude | 42.8080 ± 0.0144 |
Longitude | 13.0710 ± 0.0231 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 11499 |
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) | 2473.6 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 107 |
Number of associated phases, regardless of their use for origin computation | 11 |
Number of defining phases | 11 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.6 |
Epicentral distance of station closest to the epicenter (degree) | 0.00227 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01101 |
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 | 2.2 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 11499 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:14:55 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.RDP.Z. | 1985-08-11T03:10:12.50 | 10.0 | undecidable | manual | SN | 194 | 1.0767 | 0.79 | 0.3 | |
--.SD1.Z. | 1985-08-11T03:09:59.50 | 10.0 | undecidable | manual | PN | 153 | 1.221 | 1.09 | 0.5 | |
--.RDP.Z. | 1985-08-11T03:09:57.50 | 10.0 | undecidable | manual | PN? | 194 | 1.0767 | 1.09 | 0.2 | |
--.CM2.Z. | 1985-08-11T03:09:51.40 | 10.0 | undecidable | manual | SG | 7 | 0.3885 | 1.52 | 0.2 | |
--.AS1.Z. | 1985-08-11T03:09:50.50 | 10.0 | undecidable | manual | SG | 309 | 0.3996 | 0.29 | 0.7 | |
--.ALP.Z. | 1985-08-11T03:09:49.10 | 10.0 | undecidable | manual | SG | 94 | 0.3552 | -0.04 | 0.8 | |
--.PO9.Z. | 1985-08-11T03:09:45.50 | 10.0 | undecidable | manual | SG | 202 | 0.2553 | -0.02 | 0.8 | |
--.AS1.Z. | 1985-08-11T03:09:43.50 | 10.0 | undecidable | manual | PG | 309 | 0.3996 | -0.5 | 1.6 | |
--.CM2.Z. | 1985-08-11T03:09:43.40 | 10.0 | undecidable | manual | PG | 7 | 0.3885 | -0.41 | 3.5 | |
--.ALP.Z. | 1985-08-11T03:09:42.60 | 10.0 | undecidable | manual | PG | 94 | 0.3552 | -0.79 | 1.2 | |
--.PO9.Z. | 1985-08-11T03:09:40.50 | 10.0 | undecidable | manual | PG | 202 | 0.2553 | -0.79 | 1.2 |