A magnitude Md 2.4 earthquake occured in region: 9 km NW Montefranco (TR), on
and geographic coordinates (lat, lon) 42.6450, 12.6790 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 |
---|---|---|---|---|
Montefranco | TR | 9 | 1276 | 1276 |
Ferentillo | TR | 10 | 1913 | 3189 |
Terni | TR | 10 | 111501 | 114690 |
Arrone | TR | 10 | 2763 | 117453 |
Spoleto | PG | 11 | 38218 | 155671 |
San Gemini | TR | 11 | 5018 | 160689 |
Acquasparta | TR | 12 | 4778 | 165467 |
Scheggino | PG | 15 | 461 | 165928 |
Polino | TR | 15 | 233 | 166161 |
Montecastrilli | TR | 16 | 5022 | 171183 |
Sant'Anatolia di Narco | PG | 16 | 564 | 171747 |
Stroncone | TR | 16 | 4917 | 176664 |
Labro | RI | 17 | 374 | 177038 |
Colli sul Velino | RI | 18 | 533 | 177571 |
Morro Reatino | RI | 18 | 373 | 177944 |
Narni | TR | 19 | 19785 | 197729 |
Massa Martana | PG | 19 | 3770 | 201499 |
Castel Ritaldi | PG | 20 | 3278 | 204777 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.4 | 1997-07-03 02:49:12 |
42.645 | 12.679 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 272599 |
Field | Value |
---|---|
Time (UTC) | 1997-07-03 02:49:12 ± 0.393 |
Latitude | 42.6450 ± 0.0148 |
Longitude | 12.6790 ± 0.0413 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 272599 |
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) | 3755.0 |
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 | 8 |
Number of defining phases | 8 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.6 |
Epicentral distance of station closest to the epicenter (degree) | 0.00227 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01125 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 2.4 |
Uncertainty | |
Num. used stations | 5 |
Type of magnitude | Md |
Reference to an origin | 272599 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 21:17:37 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.SDI.Z. | 1997-07-03T02:49:54.47 | 10.0 | undecidable | manual | SN | 137 | 1.2543 | 0.54 | 0.4 | |
--.SDI.Z. | 1997-07-03T02:49:36.45 | 10.0 | undecidable | manual | PN | 137 | 1.2543 | 0.14 | 1.5 | |
--.AQU.Z. | 1997-07-03T02:49:34.45 | 10.0 | undecidable | manual | SG | 118 | 0.5994 | -0.13 | 0.8 | |
--.ARV.Z. | 1997-07-03T02:49:30.18 | 10.0 | undecidable | manual | PG | 12 | 0.8769 | 0.08 | 1.9 | |
--.PQ9.Z. | 1997-07-03T02:49:29.83 | 10.0 | undecidable | manual | PG | 139 | 0.8214 | 0.75 | 1.1 | |
--.AQU.Z. | 1997-07-03T02:49:23.70 | 10.0 | undecidable | manual | PG | 118 | 0.5994 | -1.43 | 0.6 | |
--.MNS.Z. | 1997-07-03T02:49:22.79 | 10.0 | undecidable | manual | SG | 179 | 0.2553 | 0.38 | 0.8 | |
--.MNS.Z. | 1997-07-03T02:49:17.16 | 10.0 | undecidable | manual | PG | 179 | 0.2553 | -0.95 | 0.9 |