A magnitude Md 2.1 earthquake occured in region: 7 km W Accumoli (RI), on
and geographic coordinates (lat, lon) 42.7130, 13.1670 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 |
---|---|---|---|---|
Accumoli | RI | 7 | 667 | 667 |
Cittareale | RI | 11 | 482 | 1149 |
Norcia | PG | 11 | 4957 | 6106 |
Cascia | PG | 13 | 3217 | 9323 |
Arquata del Tronto | AP | 13 | 1178 | 10501 |
Amatrice | RI | 14 | 2657 | 13158 |
Monteleone di Spoleto | PG | 19 | 599 | 13757 |
Poggiodomo | PG | 19 | 117 | 13874 |
Montegallo | AP | 20 | 523 | 14397 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1 | 1985-09-15 16:12:45 |
42.713 | 13.167 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 13169 |
Field | Value |
---|---|
Time (UTC) | 1985-09-15 16:12:45 ± 0.239 |
Latitude | 42.7130 ± 0.0157 |
Longitude | 13.1670 ± 0.0181 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 13169 |
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) | 2291.2 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 150 |
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) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00267 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00461 |
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 | 2.1 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 13169 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:16:17 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.MNS.Z. | 1985-09-15T16:13:03.50 | 10.0 | undecidable | manual | SG | 227 | 0.4884 | 0.47 | 0.2 | |
--.CM2.Z. | 1985-09-15T16:13:03.10 | 10.0 | undecidable | manual | SG | 358 | 0.4773 | 0.27 | 0.6 | |
--.AS1.Z. | 1985-09-15T16:13:02.50 | 10.0 | undecidable | manual | SG | 313 | 0.5106 | -1.44 | 0 | |
--.ALP.Z. | 1985-09-15T16:12:57.20 | 10.0 | undecidable | manual | SG | 77 | 0.2997 | 0.1 | 0.7 | |
--.AS1.Z. | 1985-09-15T16:12:56.50 | 10.0 | undecidable | manual | PG | 313 | 0.5106 | 0.34 | 0.8 | |
--.MNS.Z. | 1985-09-15T16:12:55.50 | 10.0 | undecidable | manual | PG | 227 | 0.4884 | -0.13 | 1.2 | |
--.CM2.Z. | 1985-09-15T16:12:55.70 | 10.0 | undecidable | manual | PG | 358 | 0.4773 | 0.18 | 2.2 | |
--.ALP.Z. | 1985-09-15T16:12:52.00 | 10.0 | undecidable | manual | PG | 77 | 0.2997 | -0.21 | 2.2 |