A magnitude Md 2.4 earthquake occured in region: 5 km NE Polino (TR), on
and geographic coordinates (lat, lon) 42.6190, 12.8900 at 17 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 |
---|---|---|---|---|
Polino | TR | 5 | 233 | 233 |
Monteleone di Spoleto | PG | 6 | 599 | 832 |
Ferentillo | TR | 8 | 1913 | 2745 |
Leonessa | RI | 9 | 2435 | 5180 |
Montefranco | TR | 10 | 1276 | 6456 |
Arrone | TR | 11 | 2763 | 9219 |
Poggiodomo | PG | 11 | 117 | 9336 |
Morro Reatino | RI | 11 | 373 | 9709 |
Scheggino | PG | 12 | 461 | 10170 |
Rivodutri | RI | 12 | 1253 | 11423 |
Labro | RI | 13 | 374 | 11797 |
Poggio Bustone | RI | 13 | 2055 | 13852 |
Sant'Anatolia di Narco | PG | 14 | 564 | 14416 |
Cascia | PG | 15 | 3217 | 17633 |
Colli sul Velino | RI | 16 | 533 | 18166 |
Cantalice | RI | 17 | 2755 | 20921 |
Vallo di Nera | PG | 17 | 364 | 21285 |
Spoleto | PG | 18 | 38218 | 59503 |
Posta | RI | 20 | 694 | 60197 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.4 | 1987-04-25 21:26:43 |
42.619 | 12.89 | 17 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 45669 |
Field | Value |
---|---|
Time (UTC) | 1987-04-25 21:26:43 ± 0.25 |
Latitude | 42.6190 ± 0.0092 |
Longitude | 12.8900 ± 0.0505 |
Depth (km) | 17 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 45669 |
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) | 4259.2 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 140 |
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) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.00251 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01020 |
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 | 2 |
Type of magnitude | Md |
Reference to an origin | 45669 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:44:58 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.SDI.Z. | 1987-04-25T21:27:20.50 | 10.0 | undecidable | manual | SN | 142 | 1.1322 | 0.51 | 0.2 | |
--.ARV.Z. | 1987-04-25T21:27:14.00 | 10.0 | undecidable | manual | SN | 2 | 0.8769 | 0.09 | 1 | |
--.CP9.Z. | 1987-04-25T21:27:10.50 | 10.0 | undecidable | manual | SG | 176 | 0.7548 | 0.35 | 0.4 | |
--.SDI.Z. | 1987-04-25T21:27:03.50 | 10.0 | undecidable | manual | PN | 142 | 1.1322 | -1.2 | 0.3 | |
--.ARV.Z. | 1987-04-25T21:27:01.50 | 10.0 | undecidable | manual | PN | 2 | 0.8769 | 0.32 | 1.2 | |
--.ASS.Z. | 1987-04-25T21:27:01.50 | 10.0 | undecidable | manual | SG | 338 | 0.4662 | 0.32 | 1.1 | |
--.CP9.Z. | 1987-04-25T21:26:59.20 | 10.0 | undecidable | manual | PG | 176 | 0.7548 | 0.19 | 1.4 | |
--.MNS.Z. | 1987-04-25T21:26:55.20 | 10.0 | undecidable | manual | SG | 213 | 0.2775 | 0.13 | 1.2 | |
--.ASS.Z. | 1987-04-25T21:26:53.50 | 10.0 | undecidable | manual | PG | 338 | 0.4662 | -0.34 | 1.7 | |
--.MNS.Z. | 1987-04-25T21:26:50.00 | 10.0 | undecidable | manual | PG | 213 | 0.2775 | -0.3 | 1.6 |