A magnitude Md 2.5 earthquake occured in region: 6 km W Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7730, 13.2250 at 5 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 |
---|---|---|---|---|
Arquata del Tronto | AP | 6 | 1178 | 1178 |
Accumoli | RI | 9 | 667 | 1845 |
Norcia | PG | 11 | 4957 | 6802 |
Montegallo | AP | 12 | 523 | 7325 |
Castelsantangelo sul Nera | MC | 15 | 281 | 7606 |
Acquasanta Terme | AP | 15 | 2916 | 10522 |
Montemonaco | AP | 17 | 604 | 11126 |
Amatrice | RI | 17 | 2657 | 13783 |
Cittareale | RI | 18 | 482 | 14265 |
Cascia | PG | 18 | 3217 | 17482 |
Preci | PG | 19 | 724 | 18206 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.5
ML-VAX 1.9 |
1993-08-23 17:09:52 |
42.773 | 13.225 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 194999 |
Field | Value |
---|---|
Time (UTC) | 1993-08-23 17:09:52 ± 0.204 |
Latitude | 42.7730 ± 0.0101 |
Longitude | 13.2250 ± 0.0247 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 194999 |
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) | 2309.8 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 178 |
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) | 0.00389 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00672 |
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 | 2.5 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 194999 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 20:03:12 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 194999 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.ARV.Z. | 1993-08-23T17:10:19.87 | 10.0 | undecidable | manual | SG | 344 | 0.7437 | 0.62 | 0.3 | |
--.MNS.Z. | 1993-08-23T17:10:13.24 | 10.0 | undecidable | manual | SG | 226 | 0.555 | 0.29 | 0.8 | |
--.ASS.Z. | 1993-08-23T17:10:10.41 | 10.0 | undecidable | manual | SG | 304 | 0.4995 | -0.99 | 0.1 | |
--.AQU.Z. | 1993-08-23T17:10:09.16 | 10.0 | undecidable | manual | SG | 162 | 0.4329 | 0.05 | 1 | |
--.MNS.Z. | 1993-08-23T17:10:07.36 | 10.0 | undecidable | manual | PG! | 226 | 0.555 | 3.2 | 0 | |
--.ARV.Z. | 1993-08-23T17:10:07.53 | 10.0 | undecidable | manual | PG | 344 | 0.7437 | -0.27 | 1.8 | |
--.ASS.Z. | 1993-08-23T17:10:03.67 | 10.0 | undecidable | manual | PG | 304 | 0.4995 | 0.4 | 1.7 | |
--.AQU.Z. | 1993-08-23T17:10:01.75 | 10.0 | undecidable | manual | PG | 162 | 0.4329 | -0.2 | 2.3 |