A magnitude ML 1.8 earthquake occured in region: 3 km SE Preci (PG), on
and geographic coordinates (lat, lon) 42.8540, 13.0520 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 |
---|---|---|---|---|
Preci | PG | 3 | 724 | 724 |
Norcia | PG | 8 | 4957 | 5681 |
Visso | MC | 9 | 1107 | 6788 |
Castelsantangelo sul Nera | MC | 10 | 281 | 7069 |
Sellano | PG | 11 | 1079 | 8148 |
Cerreto di Spoleto | PG | 12 | 1075 | 9223 |
Ussita | MC | 12 | 444 | 9667 |
Cascia | PG | 15 | 3217 | 12884 |
Monte Cavallo | MC | 16 | 145 | 13029 |
Vallo di Nera | PG | 18 | 364 | 13393 |
Poggiodomo | PG | 18 | 117 | 13510 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 1.8
ML 1.8 |
2009-03-21 22:00:00 |
42.854 | 13.052 | 10 | 2014-10-21 12:27:13 |
Bollettino Sismico Italiano INGV | 751639 |
Field | Value |
---|---|
Time (UTC) | 2009-03-21 22:00:00 ± 0.07 |
Latitude | 42.8540 ± 0.0027 |
Longitude | 13.0520 ± 0.0049 |
Depth (km) | 10 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-SISPICK |
Event type | earthquake |
Origin ID | 751639 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 476 |
Semi-minor axis of confidence ellipse (meter) | 219 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 55 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 500.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 209 |
Number of associated phases, regardless of their use for origin computation | 11 |
Number of defining phases | 8 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.09 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.40829 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.0 |
Num. used stations | |
Type of magnitude | ML |
Reference to an origin | 751639 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-05 14:12:43 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.2 |
Num. used stations | |
Type of magnitude | Md |
Reference to an origin | 751639 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-05 14:12:43 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CMPO.HHZ. | 2009-03-21T22:00:21.29 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.SNTG.SHZ. | 2009-03-21T22:00:15.12 | 0.6 | undecidable | manual | Sg | 349 | 45.3213 | 0.088 | 47 | |
IV.SNTG.SHZ. | 2009-03-21T22:00:08.64 | 0.3 | undecidable | manual | Pg | 349 | 45.3213 | -0.109 | 70 | |
.FDMO.HHE. | 2009-03-21T22:00:08.04 | 0.3 | undecidable | manual | Sg | 8 | 20.3685 | 0.024 | 74 | |
.CESI.HHE. | 2009-03-21T22:00:08.05 | 0.3 | undecidable | manual | Sg | 324 | 20.5683 | -0.018 | 74 | |
.FDMO.HHE. | 2009-03-21T22:00:04.67 | 0.1 | undecidable | manual | Pg | 8 | 20.3685 | -0.029 | 99 | |
.CESI.HHE. | 2009-03-21T22:00:04.75 | 0.1 | undecidable | manual | Pg | 324 | 20.5683 | 0.021 | 99 | |
IV.NRCA.HHE. | 2009-03-21T22:00:03.00 | 0.3 | undecidable | manual | Sg | 115 | 5.5944 | -0.072 | 75 | |
IV.NRCA.HHE. | 2009-03-21T22:00:02.51 | 0.1 | undecidable | manual | Pg | 115 | 5.5944 | 0.089 | 100 | |
IV.MELA.HHN. | 2009-03-21T21:59:55.93 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.CESX.HHZ. | 2009-03-21T21:59:48.63 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 |