A magnitude Md 4.0 earthquake occured in region: 4 km W Norcia (PG), on
and geographic coordinates (lat, lon) 42.8, 13.05 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 |
---|---|---|---|---|
Norcia | PG | 4 | 4957 | 4957 |
Preci | PG | 9 | 724 | 5681 |
Cascia | PG | 9 | 3217 | 8898 |
Cerreto di Spoleto | PG | 11 | 1075 | 9973 |
Poggiodomo | PG | 13 | 117 | 10090 |
Castelsantangelo sul Nera | MC | 14 | 281 | 10371 |
Sellano | PG | 14 | 1079 | 11450 |
Visso | MC | 15 | 1107 | 12557 |
Vallo di Nera | PG | 16 | 364 | 12921 |
Ussita | MC | 18 | 444 | 13365 |
Monteleone di Spoleto | PG | 18 | 599 | 13964 |
Sant'Anatolia di Narco | PG | 19 | 564 | 14528 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 4.0 | 1997-10-25 03:08:04 |
42.8 | 13.05 | 5 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 305709 |
Field | Value |
---|---|
Time (UTC) | 1997-10-25 03:08:04 ± 0.218 |
Latitude | 42.80 ± 0.01 |
Longitude | 13.05 ± 0.02 |
Depth (km) | 5 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 305709 |
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) | 2209.9 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 84 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 20 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.5 |
Epicentral distance of station closest to the epicenter (degree) | 0.00049 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01376 |
Number of stations at which the event was observed | 18 |
Number of stations from which data was used for origin computation | 18 |
Field | Value |
---|---|
Value | 4 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | Md |
Reference to an origin | 305709 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 21:47:00 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.FB9.Z. | 1997-10-25T03:08:36.50 | 10.0 | undecidable | manual | SG | 347 | 0.0082 | -0.59 | 0.3 | |
--.CPI2.Z. | 1997-10-25T03:08:33.79 | 10.0 | undecidable | manual | PN | 141 | 0.0138 | 0.98 | 0.3 | |
--.PLI2.Z. | 1997-10-25T03:08:32.87 | 10.0 | undecidable | manual | PN | 149 | 0.0132 | 0.93 | 0.3 | |
--.CSNT.Z. | 1997-10-25T03:08:32.58 | 10.0 | undecidable | manual | PN | 298 | 0.013 | 0.98 | 0.3 | |
--.CRVI.Z. | 1997-10-25T03:08:32.30 | 10.0 | undecidable | manual | PN | 138 | 0.0128 | 0.78 | 0.4 | |
--.SFI.Z. | 1997-10-25T03:08:31.76 | 10.0 | undecidable | manual | PN | 322 | 0.0126 | 0.71 | 0.5 | |
--.ARV.Z. | 1997-10-25T03:08:30.50 | 10.0 | undecidable | manual | SG | 353 | 0.0063 | 0.17 | 0.5 | |
--.RSM.Z. | 1997-10-25T03:08:29.45 | 10.0 | undecidable | manual | PN | 339 | 0.0108 | 1.12 | 0.2 | |
--.SDI.Z. | 1997-10-25T03:08:27.88 | 10.0 | undecidable | manual | PN | 152 | 0.011 | -0.69 | 0.6 | |
--.CRE.Z. | 1997-10-25T03:08:27.41 | 10.0 | undecidable | manual | PN | 316 | 0.0103 | -0.04 | 1.1 | |
--.RDP.Z. | 1997-10-25T03:08:25.63 | 10.0 | undecidable | manual | PG | 193 | 0.0096 | -0.74 | 0.6 | |
--.RMP.Z. | 1997-10-25T03:08:24.78 | 10.0 | undecidable | manual | PG | 194 | 0.0091 | -0.68 | 0.6 | |
--.FB9.Z. | 1997-10-25T03:08:22.84 | 10.0 | negative | manual | PG | 347 | 0.0082 | -0.63 | 1.4 | |
--.PQ9.Z. | 1997-10-25T03:08:20.87 | 10.0 | undecidable | manual | PG | 161 | 0.0074 | -0.86 | 0.5 | |
--.ARV.Z. | 1997-10-25T03:08:19.40 | 10.0 | negative | manual | PG | 353 | 0.0063 | -0.53 | 1.7 | |
--.MNS.Z. | 1997-10-25T03:08:15.98 | 10.0 | positive | manual | PG | 213 | 0.0045 | 0.25 | 2.2 | |
--.AQU.Z. | 1997-10-25T03:08:15.76 | 10.0 | negative | manual | PG | 149 | 0.0046 | -0.34 | 2.1 | |
--.SNTG.Z. | 1997-10-25T03:08:14.68 | 10.0 | negative | manual | PG | 350 | 0.0041 | -0.42 | 1.9 | |
--.ASS.Z. | 1997-10-25T03:08:13.80 | 10.0 | negative | manual | PG | 312 | 0.0035 | 0.17 | 2.3 | |
--.NRCA.Z. | 1997-10-25T03:08:06.83 | 10.0 | positive | manual | PG | 54 | 0.0005 | 0.35 | 2.1 |