A magnitude Md 2.2 earthquake occured in region: 4 km NE Borbona (RI), on
and geographic coordinates (lat, lon) 42.5480, 13.1490 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 |
---|---|---|---|---|
Borbona | RI | 4 | 617 | 617 |
Posta | RI | 5 | 694 | 1311 |
Cittareale | RI | 8 | 482 | 1793 |
Montereale | AQ | 8 | 2581 | 4374 |
Cagnano Amiterno | AQ | 12 | 1369 | 5743 |
Capitignano | AQ | 13 | 665 | 6408 |
Micigliano | RI | 13 | 127 | 6535 |
Amatrice | RI | 15 | 2657 | 9192 |
Leonessa | RI | 15 | 2435 | 11627 |
Barete | AQ | 15 | 737 | 12364 |
Antrodoco | RI | 15 | 2588 | 14952 |
Pizzoli | AQ | 17 | 4326 | 19278 |
Borgo Velino | RI | 17 | 972 | 20250 |
Campotosto | AQ | 18 | 542 | 20792 |
Accumoli | RI | 18 | 667 | 21459 |
Castel Sant'Angelo | RI | 20 | 1308 | 22767 |
Monteleone di Spoleto | PG | 20 | 599 | 23366 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2
ML-VAX 1.6 |
1987-07-26 23:31:04 |
42.548 | 13.149 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 52799 |
Field | Value |
---|---|
Time (UTC) | 1987-07-26 23:31:04 ± 0.133 |
Latitude | 42.5480 ± 0.0150 |
Longitude | 13.1490 ± 0.0125 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 52799 |
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) | 1957.1 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 192 |
Number of associated phases, regardless of their use for origin computation | 6 |
Number of defining phases | 6 |
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) | 0.00340 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00567 |
Number of stations at which the event was observed | 3 |
Number of stations from which data was used for origin computation | 3 |
Field | Value |
---|---|
Value | 2.2 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 52799 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:50:58 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 52799 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.ASS.Z. | 1987-07-26T23:31:26.22 | 10.0 | undecidable | manual | SG | 324 | 0.6327 | -0.39 | 0.1 | |
--.MNS.Z. | 1987-07-26T23:31:18.91 | 10.0 | undecidable | manual | SG | 244 | 0.3774 | 0.26 | 0.3 | |
--.ALP.Z. | 1987-07-26T23:31:18.94 | 10.0 | undecidable | manual | SG | 52 | 0.3774 | 0.2 | 0.6 | |
--.ASS.Z. | 1987-07-26T23:31:17.52 | 10.0 | undecidable | manual | PG | 324 | 0.6327 | 0.27 | 0.6 | |
--.MNS.Z. | 1987-07-26T23:31:12.50 | 10.0 | undecidable | manual | PG | 244 | 0.3774 | -0.16 | 1.3 | |
--.ALP.Z. | 1987-07-26T23:31:12.61 | 10.0 | undecidable | manual | PG | 52 | 0.3774 | -0.09 | 3.1 |