A magnitude Md 2.5 earthquake occured in region: 6 km NW Accumoli (RI), on
and geographic coordinates (lat, lon) 42.7430, 13.2130 at 13 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 |
---|---|---|---|---|
Accumoli | RI | 6 | 667 | 667 |
Arquata del Tronto | AP | 8 | 1178 | 1845 |
Norcia | PG | 11 | 4957 | 6802 |
Amatrice | RI | 14 | 2657 | 9459 |
Cittareale | RI | 15 | 482 | 9941 |
Montegallo | AP | 15 | 523 | 10464 |
Acquasanta Terme | AP | 16 | 2916 | 13380 |
Cascia | PG | 17 | 3217 | 16597 |
Castelsantangelo sul Nera | MC | 18 | 281 | 16878 |
Montemonaco | AP | 20 | 604 | 17482 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.5 | 2002-04-21 08:12:35 |
42.743 | 13.213 | 13 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 439729 |
Field | Value |
---|---|
Time (UTC) | 2002-04-21 08:12:35 ± 0.214 |
Latitude | 42.7430 ± 0.0117 |
Longitude | 13.2130 ± 0.0327 |
Depth (km) | 13 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 439729 |
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) | 2973.2 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 177 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.4 |
Epicentral distance of station closest to the epicenter (degree) | 0.00097 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01004 |
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 | 2.5 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | Md |
Reference to an origin | 439729 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 23:55:36 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.SDI.Z. | 2002-04-21T08:13:11.79 | 10.0 | undecidable | manual | SN | 156 | 1.11 | 0 | 0.6 | |
--.PTQR.Z. | 2002-04-21T08:13:00.65 | 10.0 | undecidable | manual | SG | 169 | 0.7326 | -0.01 | 0.8 | |
--.SNTG.Z. | 2002-04-21T08:12:55.58 | 10.0 | undecidable | manual | SG | 338 | 0.5439 | 0.88 | 0.3 | |
--.SDI.Z. | 2002-04-21T08:12:55.90 | 10.0 | undecidable | manual | PN | 156 | 1.11 | -0.41 | 1.2 | |
--.MNS.Z. | 2002-04-21T08:12:53.61 | 10.0 | undecidable | manual | SG | 227 | 0.5328 | -0.52 | 0.6 | |
--.PTQR.Z. | 2002-04-21T08:12:50.50 | 10.0 | undecidable | manual | PG | 169 | 0.7326 | 0.17 | 1.9 | |
--.AQU.Z. | 2002-04-21T08:12:49.90 | 10.0 | undecidable | manual | SG | 160 | 0.3996 | -1.27 | 0.1 | |
--.MNS.Z. | 2002-04-21T08:12:46.56 | 10.0 | undecidable | manual | PG | 227 | 0.5328 | 0.45 | 1.6 | |
--.SNTG.Z. | 2002-04-21T08:12:46.18 | 10.0 | undecidable | manual | PG | 338 | 0.5439 | -0.26 | 2 | |
--.AQU.Z. | 2002-04-21T08:12:44.86 | 10.0 | undecidable | manual | PG | 160 | 0.3996 | 0.93 | 0.6 | |
--.NRCA.Z. | 2002-04-21T08:12:41.23 | 10.0 | undecidable | manual | SG | 320 | 0.111 | 0 | 0.9 | |
--.NRCA.Z. | 2002-04-21T08:12:38.13 | 10.0 | undecidable | manual | PG | 320 | 0.111 | -0.53 | 1.4 |