A magnitude Md 2.2 earthquake occured in region: 2 km NW Cerreto di Spoleto (PG), on
and geographic coordinates (lat, lon) 42.8360, 12.8980 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 |
---|---|---|---|---|
Cerreto di Spoleto | PG | 2 | 1075 | 1075 |
Sellano | PG | 7 | 1079 | 2154 |
Vallo di Nera | PG | 8 | 364 | 2518 |
Campello sul Clitunno | PG | 10 | 2442 | 4960 |
Sant'Anatolia di Narco | PG | 12 | 564 | 5524 |
Preci | PG | 13 | 724 | 6248 |
Trevi | PG | 13 | 8469 | 14717 |
Poggiodomo | PG | 14 | 117 | 14834 |
Scheggino | PG | 15 | 461 | 15295 |
Cascia | PG | 16 | 3217 | 18512 |
Norcia | PG | 17 | 4957 | 23469 |
Spoleto | PG | 17 | 38218 | 61687 |
Castel Ritaldi | PG | 18 | 3278 | 64965 |
Visso | MC | 19 | 1107 | 66072 |
Monte Cavallo | MC | 20 | 145 | 66217 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2
ML-VAX 1.8 |
1987-08-18 18:47:26 |
42.836 | 12.898 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 54169 |
Field | Value |
---|---|
Time (UTC) | 1987-08-18 18:47:26 ± 0.116 |
Latitude | 42.8360 ± 0.0066 |
Longitude | 12.8980 ± 0.0099 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 54169 |
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) | 1092.4 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 122 |
Number of associated phases, regardless of their use for origin computation | 10 |
Number of defining phases | 10 |
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) | 0.00259 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00591 |
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 | 2.2 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 54169 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:52:14 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | |
Num. used stations | 1 |
Type of magnitude | ML |
Reference to an origin | 54169 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.ARV.Z. | 1987-08-18T18:47:49.33 | 10.0 | undecidable | manual | SG | 2 | 0.6549 | -0.2 | 0.4 | |
--.MNS.Z. | 1987-08-18T18:47:44.10 | 10.0 | undecidable | manual | SG | 199 | 0.4773 | 0.4 | 0.3 | |
--.ALP.Z. | 1987-08-18T18:47:44.30 | 10.0 | undecidable | manual | SG | 96 | 0.4884 | -0.06 | 0.9 | |
--.CM8.Z. | 1987-08-18T18:47:41.79 | 10.0 | undecidable | manual | SG | 26 | 0.3996 | 0.68 | 0.1 | |
--.ARV.Z. | 1987-08-18T18:47:39.16 | 10.0 | undecidable | manual | PG | 2 | 0.6549 | -0.56 | 0.2 | |
--.ASS.Z. | 1987-08-18T18:47:37.43 | 10.0 | undecidable | manual | SG | 321 | 0.2886 | -0.08 | 0.6 | |
--.ALP.Z. | 1987-08-18T18:47:36.44 | 10.0 | undecidable | manual | PG | 96 | 0.4884 | -0.15 | 1.4 | |
--.MNS.Z. | 1987-08-18T18:47:36.26 | 10.0 | undecidable | manual | PG | 199 | 0.4773 | -0.05 | 1.6 | |
--.CM8.Z. | 1987-08-18T18:47:34.95 | 10.0 | positive | manual | PG | 26 | 0.3996 | 0.09 | 3.1 | |
--.ASS.Z. | 1987-08-18T18:47:32.94 | 10.0 | undecidable | manual | PG | 321 | 0.2886 | 0.16 | 1.4 |