A magnitude Md 2.1 earthquake occured in region: 9 km NE Trevi (PG), on
and geographic coordinates (lat, lon) 42.9370, 12.8300 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 |
---|---|---|---|---|
Trevi | PG | 9 | 8469 | 8469 |
Sellano | PG | 10 | 1079 | 9548 |
Foligno | PG | 10 | 57155 | 66703 |
Campello sul Clitunno | PG | 14 | 2442 | 69145 |
Spello | PG | 14 | 8645 | 77790 |
Cerreto di Spoleto | PG | 15 | 1075 | 78865 |
Valtopina | PG | 15 | 1398 | 80263 |
Montefalco | PG | 15 | 5679 | 85942 |
Monte Cavallo | MC | 15 | 145 | 86087 |
Bevagna | PG | 18 | 5081 | 91168 |
Castel Ritaldi | PG | 18 | 3278 | 94446 |
Serravalle di Chienti | MC | 18 | 1070 | 95516 |
Preci | PG | 18 | 724 | 96240 |
Vallo di Nera | PG | 19 | 364 | 96604 |
Nocera Umbra | PG | 20 | 5839 | 102443 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1
ML-VAX 1.7 |
1997-09-26 20:04:45 |
42.937 | 12.83 | 10 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 280389 |
Field | Value |
---|---|
Time (UTC) | 1997-09-26 20:04:45 ± 0.273 |
Latitude | 42.9370 ± 0.0138 |
Longitude | 12.8300 ± 0.0371 |
Depth (km) | 10 ± 5 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 280389 |
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) | 3391.7 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 135 |
Number of associated phases, regardless of their use for origin computation | 15 |
Number of defining phases | 15 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.8 |
Epicentral distance of station closest to the epicenter (degree) | 0.00162 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01279 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 280389 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 21:24:42 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | ML |
Reference to an origin | 280389 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.PQ9.Z. | 1997-09-26T20:05:18.87 | 10.0 | undecidable | manual | SG | 154 | 0.999 | -1.01 | 0.4 | |
--.SDI.Z. | 1997-09-26T20:05:12.18 | 10.0 | undecidable | manual | PN | 148 | 1.4208 | 0.91 | 0.9 | |
--.FB9.Z. | 1997-09-26T20:05:11.91 | 10.0 | undecidable | manual | SG | 356 | 0.7548 | 0.09 | 0.9 | |
--.CSNT.Z. | 1997-09-26T20:05:09.17 | 10.0 | undecidable | manual | PN | 295 | 1.2432 | 0.41 | 1.5 | |
--.SFI.Z. | 1997-09-26T20:05:08.86 | 10.0 | undecidable | manual | PN | 323 | 1.1988 | 0.67 | 1.3 | |
--.PQ9.Z. | 1997-09-26T20:05:06.69 | 10.0 | undecidable | manual | PG | 154 | 0.999 | 1.27 | 0.7 | |
--.MNS.Z. | 1997-09-26T20:05:05.54 | 10.0 | undecidable | manual | SG | 191 | 0.555 | -0.1 | 0.9 | |
--.ARV.Z. | 1997-09-26T20:05:04.39 | 10.0 | undecidable | manual | SG | 8 | 0.5661 | -1.41 | 0.2 | |
--.CRE.Z. | 1997-09-26T20:05:04.69 | 10.0 | undecidable | manual | PG | 317 | 0.9213 | 0.59 | 1.6 | |
--.FB9.Z. | 1997-09-26T20:04:59.75 | 10.0 | undecidable | manual | PG | 356 | 0.7548 | -1.02 | 1.1 | |
--.AQU.Z. | 1997-09-26T20:04:59.00 | 10.0 | undecidable | manual | PG | 143 | 0.7104 | -1.08 | 1 | |
--.ARV.Z. | 1997-09-26T20:04:58.27 | 10.0 | undecidable | manual | PG | 8 | 0.5661 | 0.98 | 1.2 | |
--.MNS.Z. | 1997-09-26T20:04:56.26 | 10.0 | undecidable | manual | PG | 191 | 0.555 | -0.95 | 1.2 | |
--.ASS.Z. | 1997-09-26T20:04:52.80 | 10.0 | undecidable | manual | SG | 313 | 0.1776 | -0.58 | 0.7 | |
--.ASS.Z. | 1997-09-26T20:04:49.39 | 10.0 | undecidable | manual | PG | 313 | 0.1776 | -0.73 | 1.5 |