A magnitude Md 2.1 earthquake occured in region: 9 km SE Norcia (PG), on
and geographic coordinates (lat, lon) 42.7140, 13.1280 at 7 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 | 9 | 4957 | 4957 |
Cascia | PG | 9 | 3217 | 8174 |
Accumoli | RI | 10 | 667 | 8841 |
Cittareale | RI | 11 | 482 | 9323 |
Arquata del Tronto | AP | 15 | 1178 | 10501 |
Poggiodomo | PG | 16 | 117 | 10618 |
Monteleone di Spoleto | PG | 16 | 599 | 11217 |
Amatrice | RI | 16 | 2657 | 13874 |
Preci | PG | 20 | 724 | 14598 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1 | 1999-05-10 02:47:33 |
42.714 | 13.128 | 7 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 365469 |
Field | Value |
---|---|
Time (UTC) | 1999-05-10 02:47:33 ± 0.248 |
Latitude | 42.7140 ± 0.0179 |
Longitude | 13.1280 ± 0.0394 |
Depth (km) | 7 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 365469 |
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) | 3782.2 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 155 |
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) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.00105 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00437 |
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 | 2.1 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 365469 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 22:42:49 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ASS.Z. | 1999-05-10T02:47:52.45 | 10.0 | undecidable | manual | SG | 315 | 0.4884 | 0.44 | 0.4 | |
--.MNS.Z. | 1999-05-10T02:47:51.73 | 10.0 | undecidable | manual | SG | 225 | 0.4551 | 0.56 | 0.3 | |
--.AQU.Z. | 1999-05-10T02:47:48.62 | 10.0 | undecidable | manual | SG | 150 | 0.3996 | -0.85 | 0.1 | |
--.AQU.Z. | 1999-05-10T02:47:43.37 | 10.0 | undecidable | manual | PG | 150 | 0.3996 | 0.58 | 0.7 | |
--.MNS.Z. | 1999-05-10T02:47:43.37 | 10.0 | undecidable | manual | PG | 225 | 0.4551 | -0.4 | 1 | |
--.ASS.Z. | 1999-05-10T02:47:43.96 | 10.0 | undecidable | manual | PG | 315 | 0.4884 | -0.3 | 1.3 | |
--.NRCA.Z. | 1999-05-10T02:47:38.53 | 10.0 | undecidable | manual | SG | 354 | 0.1221 | -0.27 | 0.6 | |
--.NRCA.Z. | 1999-05-10T02:47:36.71 | 10.0 | positive | manual | PG | 354 | 0.1221 | 0.08 | 3.7 |