A magnitude Md 2.0 earthquake occured in region: 4 km NE Posta (RI), on
and geographic coordinates (lat, lon) 42.5550, 13.1220 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 |
---|---|---|---|---|
Posta | RI | 4 | 694 | 694 |
Borbona | RI | 5 | 617 | 1311 |
Cittareale | RI | 8 | 482 | 1793 |
Montereale | AQ | 11 | 2581 | 4374 |
Micigliano | RI | 13 | 127 | 4501 |
Leonessa | RI | 13 | 2435 | 6936 |
Cagnano Amiterno | AQ | 14 | 1369 | 8305 |
Capitignano | AQ | 15 | 665 | 8970 |
Antrodoco | RI | 16 | 2588 | 11558 |
Amatrice | RI | 16 | 2657 | 14215 |
Borgo Velino | RI | 17 | 972 | 15187 |
Barete | AQ | 17 | 737 | 15924 |
Monteleone di Spoleto | PG | 18 | 599 | 16523 |
Accumoli | RI | 19 | 667 | 17190 |
Castel Sant'Angelo | RI | 19 | 1308 | 18498 |
Pizzoli | AQ | 19 | 4326 | 22824 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.0 | 1991-07-23 20:23:32 |
42.555 | 13.122 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 146119 |
Field | Value |
---|---|
Time (UTC) | 1991-07-23 20:23:32 ± 0.224 |
Latitude | 42.5550 ± 0.0133 |
Longitude | 13.1220 ± 0.0205 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 146119 |
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) | 2236.7 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 126 |
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) | 0.5 |
Epicentral distance of station closest to the epicenter (degree) | 0.00259 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00356 |
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 | 2.0 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 146119 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 19:16:24 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.RMF.Z. | 1991-07-23T20:23:47.83 | 10.0 | undecidable | manual | SG | 9 | 0.3996 | 0.07 | 0.8 | |
--.ALP.Z. | 1991-07-23T20:23:46.80 | 10.0 | undecidable | manual | SG | 55 | 0.3996 | -0.73 | 0.3 | |
--.MNS.Z. | 1991-07-23T20:23:45.50 | 10.0 | undecidable | manual | SG | 242 | 0.3552 | -1.08 | 0.1 | |
--.AQU.Z. | 1991-07-23T20:23:43.50 | 10.0 | undecidable | manual | SG | 134 | 0.2886 | -0.53 | 0.6 | |
--.MNS.Z. | 1991-07-23T20:23:41.00 | 10.0 | undecidable | manual | PG | 242 | 0.3552 | 0.21 | 2.1 | |
--.RMF.Z. | 1991-07-23T20:23:41.92 | 10.0 | undecidable | manual | PG | 9 | 0.3996 | 0.45 | 1.5 | |
--.AQU.Z. | 1991-07-23T20:23:40.00 | 10.0 | undecidable | manual | PG | 134 | 0.2886 | 0.68 | 1 | |
--.ALP.Z. | 1991-07-23T20:23:40.90 | 10.0 | undecidable | manual | PG | 55 | 0.3996 | -0.44 | 1.5 |