A magnitude Md 2.3 earthquake occured in region: 4 km SE Gualdo Cattaneo (PG), on
and geographic coordinates (lat, lon) 42.8830, 12.5880 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 |
---|---|---|---|---|
Gualdo Cattaneo | PG | 4 | 6155 | 6155 |
Giano dell'Umbria | PG | 5 | 3846 | 10001 |
Montefalco | PG | 6 | 5679 | 15680 |
Bevagna | PG | 6 | 5081 | 20761 |
Castel Ritaldi | PG | 10 | 3278 | 24039 |
Collazzone | PG | 12 | 3473 | 27512 |
Foligno | PG | 13 | 57155 | 84667 |
Cannara | PG | 13 | 4305 | 88972 |
Massa Martana | PG | 13 | 3770 | 92742 |
Trevi | PG | 13 | 8469 | 101211 |
Spello | PG | 14 | 8645 | 109856 |
Bettona | PG | 17 | 4367 | 114223 |
Campello sul Clitunno | PG | 17 | 2442 | 116665 |
Deruta | PG | 18 | 9669 | 126334 |
Fratta Todina | PG | 18 | 1839 | 128173 |
Todi | PG | 18 | 16851 | 145024 |
Monte Castello di Vibio | PG | 20 | 1567 | 146591 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3
ML-VAX 1.5 |
1987-10-27 02:18:21 |
42.883 | 12.588 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 57699 |
Field | Value |
---|---|
Time (UTC) | 1987-10-27 02:18:21 ± 0.379 |
Latitude | 42.8830 ± 0.0155 |
Longitude | 12.5880 ± 0.0361 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 57699 |
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) | 3408.7 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 155 |
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) | 0.8 |
Epicentral distance of station closest to the epicenter (degree) | 0.00162 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00777 |
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 | 4 |
Type of magnitude | Md |
Reference to an origin | 57699 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:55:18 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | |
Num. used stations | 1 |
Type of magnitude | ML |
Reference to an origin | 57699 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.CRE.Z. | 1987-10-27T02:18:52.75 | 10.0 | undecidable | manual | SG | 328 | 0.8658 | 1.37 | 0.2 | |
--.ALP.Z. | 1987-10-27T02:18:47.51 | 10.0 | undecidable | manual | SG | 97 | 0.7215 | 0.79 | 0.7 | |
--.ARV.Z. | 1987-10-27T02:18:45.39 | 10.0 | undecidable | manual | SG | 22 | 0.666 | 0.5 | 0.6 | |
--.CM8.Z. | 1987-10-27T02:18:40.81 | 10.0 | undecidable | manual | SG | 52 | 0.4995 | 0.93 | 0.7 | |
--.MNS.Z. | 1987-10-27T02:18:39.88 | 10.0 | undecidable | manual | SG | 172 | 0.4995 | 0.28 | 0.8 | |
--.CRE.Z. | 1987-10-27T02:18:39.93 | 10.0 | undecidable | manual | PG | 328 | 0.8658 | 1.16 | 0.7 | |
--.ALP.Z. | 1987-10-27T02:18:37.11 | 10.0 | undecidable | manual | PG | 97 | 0.7215 | 1.03 | 0.9 | |
--.ARV.Z. | 1987-10-27T02:18:34.28 | 10.0 | undecidable | manual | PG | 22 | 0.666 | -0.74 | 1.3 | |
--.MNS.Z. | 1987-10-27T02:18:31.12 | 10.0 | undecidable | manual | PG | 172 | 0.4995 | -0.84 | 1.3 | |
--.CM8.Z. | 1987-10-27T02:18:31.19 | 10.0 | undecidable | manual | PG | 52 | 0.4995 | -0.94 | 1.1 | |
--.ASS.Z. | 1987-10-27T02:18:28.22 | 10.0 | undecidable | manual | SG | 14 | 0.1776 | -1.18 | 0.3 | |
--.ASS.Z. | 1987-10-27T02:18:25.53 | 10.0 | positive | manual | PG | 14 | 0.1776 | -0.55 | 3.3 |