A magnitude Md 2.3 earthquake occured in region: 8 km W Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7980, 13.2120 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 | 8 | 1178 | 1178 |
Norcia | PG | 10 | 4957 | 6135 |
Montegallo | AP | 11 | 523 | 6658 |
Accumoli | RI | 12 | 667 | 7325 |
Castelsantangelo sul Nera | MC | 12 | 281 | 7606 |
Montemonaco | AP | 15 | 604 | 8210 |
Acquasanta Terme | AP | 17 | 2916 | 11126 |
Preci | PG | 17 | 724 | 11850 |
Ussita | MC | 17 | 444 | 12294 |
Visso | MC | 18 | 1107 | 13401 |
Cascia | PG | 18 | 3217 | 16618 |
Montefortino | FM | 19 | 1178 | 17796 |
Amatrice | RI | 20 | 2657 | 20453 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3
ML-VAX 1.6 |
1987-11-29 09:21:48 |
42.798 | 13.212 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 59019 |
Field | Value |
---|---|
Time (UTC) | 1987-11-29 09:21:48 ± 0.064 |
Latitude | 42.7980 ± 0.0037 |
Longitude | 13.2120 ± 0.0050 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 59019 |
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) | 576.3 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 100 |
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) | 0.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.00235 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00648 |
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 | 2.3 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 59019 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:56:25 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 59019 |
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. | 1987-11-29T09:22:14.40 | 10.0 | undecidable | manual | SG | 344 | 0.7215 | -0.21 | 0.2 | |
--.MNS.Z. | 1987-11-29T09:22:09.64 | 10.0 | undecidable | manual | SG | 223 | 0.5661 | 0.49 | 0 | |
--.ASS.Z. | 1987-11-29T09:22:06.69 | 10.0 | undecidable | manual | SG | 303 | 0.4884 | 0.14 | 0.4 | |
--.AQU.Z. | 1987-11-29T09:22:05.59 | 10.0 | undecidable | manual | SG | 162 | 0.4551 | -0.24 | 0.2 | |
--.CM8.Z. | 1987-11-29T09:22:03.64 | 10.0 | undecidable | manual | SG | 353 | 0.3996 | 0.11 | 0.7 | |
--.ARV.Z. | 1987-11-29T09:22:02.91 | 10.0 | undecidable | manual | PG | 344 | 0.7215 | -0.26 | 0.3 | |
--.MNS.Z. | 1987-11-29T09:22:00.15 | 10.0 | undecidable | manual | PG | 223 | 0.5661 | -0.08 | 1.2 | |
--.AQU.Z. | 1987-11-29T09:21:58.20 | 10.0 | undecidable | manual | PG | 162 | 0.4551 | -0.11 | 1.2 | |
--.ALP.Z. | 1987-11-29T09:21:58.27 | 10.0 | undecidable | manual | SG | 93 | 0.2553 | 0.04 | 0.9 | |
--.ASS.Z. | 1987-11-29T09:21:58.71 | 10.0 | undecidable | manual | PG | 303 | 0.4884 | -0.01 | 1.5 | |
--.CM8.Z. | 1987-11-29T09:21:57.40 | 10.0 | undecidable | manual | PG | 353 | 0.3996 | 0.06 | 2.8 | |
--.ALP.Z. | 1987-11-29T09:21:54.10 | 10.0 | negative | manual | PG | 93 | 0.2553 | 0.09 | 2.6 |