A magnitude ML 1.8 earthquake occured in region: 4 km W Norcia (PG), on
and geographic coordinates (lat, lon) 42.7960, 13.0460 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 |
---|---|---|---|---|
Norcia | PG | 4 | 4957 | 4957 |
Cascia | PG | 9 | 3217 | 8174 |
Preci | PG | 9 | 724 | 8898 |
Cerreto di Spoleto | PG | 11 | 1075 | 9973 |
Poggiodomo | PG | 13 | 117 | 10090 |
Castelsantangelo sul Nera | MC | 14 | 281 | 10371 |
Sellano | PG | 14 | 1079 | 11450 |
Vallo di Nera | PG | 15 | 364 | 11814 |
Visso | MC | 16 | 1107 | 12921 |
Monteleone di Spoleto | PG | 18 | 599 | 13520 |
Ussita | MC | 18 | 444 | 13964 |
Sant'Anatolia di Narco | PG | 18 | 564 | 14528 |
Scheggino | PG | 20 | 461 | 14989 |
Accumoli | RI | 20 | 667 | 15656 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.8 | 2016-10-31 20:00:25 |
42.7963 | 13.0462 | 10 | 2019-02-12 14:03:26 |
Bollettino Sismico Italiano INGV | 49479451 |
Field | Value |
---|---|
Time (UTC) | 2016-10-31 20:00:25 ± 0.06 |
Latitude | 42.7963 ± 0.0027 |
Longitude | 13.0462 ± 0.0061 |
Depth (km) | 10 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 49479451 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 525 |
Semi-minor axis of confidence ellipse (meter) | 226 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 290 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 520.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 79 |
Number of associated phases, regardless of their use for origin computation | 25 |
Number of defining phases | 25 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.23 |
Epicentral distance of station closest to the epicenter (degree) | 0.09623 |
Epicentral distance of station farthest from the epicenter (degree) | 0.37502 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 13 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.2 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 49479451 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2017-08-29 13:03:08 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ASSB.HHZ. | 2016-10-31T20:00:38.89 | 0.6 | undecidable | manual | S | 311 | 41.625 | 50 | 0.01 | 48 |
IV.GUMA.HNN. | 2016-10-31T20:00:38.09 | 0.6 | undecidable | manual | S | 38 | 37.7289 | 50 | 0.26 | 46 |
IV.T1211.EHZ. | 2016-10-31T20:00:36.63 | 0.6 | undecidable | manual | S | 208 | 33.1446 | 50 | 0.03 | 48 |
IV.ARRO.EHZ. | 2016-10-31T20:00:36.29 | 0.6 | undecidable | manual | S | 224 | 33.2445 | 50 | -0.34 | 45 |
IV.T1241.EHZ. | 2016-10-31T20:00:36.32 | 0.6 | undecidable | manual | S | 78 | 32.0457 | 50 | 0.01 | 49 |
IV.RM33.EHZ. | 2016-10-31T20:00:36.97 | 0.3 | undecidable | manual | S | 157 | 34.743 | 50 | -0.05 | 72 |
IV.T1256.HHZ. | 2016-10-31T20:00:34.78 | 0.6 | undecidable | manual | S | 32 | 27.5502 | 50 | -0.32 | 46 |
IV.GUMA.HNN. | 2016-10-31T20:00:33.15 | 0.1 | undecidable | manual | P | 38 | 37.7289 | 50 | 0.7 | 80 |
IV.LNSS.HHZ. | 2016-10-31T20:00:33.09 | 0.6 | undecidable | manual | S | 181 | 21.4674 | 115 | -0.21 | 48 |
IV.ASSB.HHZ. | 2016-10-31T20:00:32.97 | 0.3 | undecidable | manual | P | 311 | 41.625 | 50 | -0.08 | 71 |
IV.FEMA.HNE. | 2016-10-31T20:00:32.39 | 0.1 | undecidable | manual | S | 1 | 18.3705 | 119 | 0.04 | 99 |
IV.ARRO.EHZ. | 2016-10-31T20:00:31.68 | 0.1 | undecidable | manual | P | 224 | 33.2445 | 50 | -0.06 | 96 |
IV.T1241.EHZ. | 2016-10-31T20:00:31.48 | 0.1 | undecidable | manual | P | 78 | 32.0457 | 50 | -0.09 | 96 |
IV.T1215.HNZ. | 2016-10-31T20:00:31.07 | 0.6 | undecidable | manual | S | 273 | 14.4744 | 125 | -0.12 | 49 |
IV.RM33.EHZ. | 2016-10-31T20:00:31.95 | 0.1 | undecidable | manual | P | 157 | 34.743 | 50 | -0.02 | 97 |
IV.T1211.EHZ. | 2016-10-31T20:00:31.95 | 0.1 | undecidable | manual | P | 208 | 33.1446 | 50 | 0.22 | 93 |
IV.T1256.HHZ. | 2016-10-31T20:00:31.04 | 0.1 | undecidable | manual | P | 32 | 27.5502 | 50 | 0.17 | 95 |
XO.AM05.EHZ. | 2016-10-31T20:00:31.08 | 0.1 | undecidable | manual | P | 51 | 32.0457 | 50 | -0.48 | 88 |
IV.T1216.EHZ. | 2016-10-31T20:00:30.10 | 0.6 | undecidable | manual | S | 348 | 10.6782 | 133 | -0.08 | 50 |
IV.T1217.EHZ. | 2016-10-31T20:00:30.88 | 0.1 | undecidable | manual | S | 225 | 13.2756 | 127 | 0.04 | 100 |
IV.LNSS.HHZ. | 2016-10-31T20:00:29.90 | 0.3 | undecidable | manual | P | 181 | 21.4674 | 115 | 0.07 | 73 |
IV.FEMA.HNE. | 2016-10-31T20:00:28.78 | 0.1 | undecidable | manual | P | 1 | 18.3705 | 119 | -0.5 | 90 |
IV.T1216.EHZ. | 2016-10-31T20:00:28.24 | 0.1 | undecidable | manual | P | 348 | 10.6782 | 133 | 0.22 | 97 |
IV.T1215.HNZ. | 2016-10-31T20:00:28.67 | 0.1 | undecidable | manual | P | 273 | 14.4744 | 125 | 0.06 | 99 |
IV.T1217.EHZ. | 2016-10-31T20:00:28.56 | 0.1 | undecidable | manual | P | 225 | 13.2756 | 127 | 0.15 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.ARRO.EHE. | ML:1.6 | 0.0001885 | 1.8 | AML | other | m | 2016-10-31T20:00:37.95 |
IV.ARRO.EHN. | ML:1.5 | 0.00014800000000000002 | 0.16 | AML | other | m | 2016-10-31T20:00:38.32 |
IV.LNSS.HHN. | ML:2.0 | 0.000697 | 0.26 | AML | other | m | 2016-10-31T20:00:33.45 |
IV.LNSS.HHE. | ML:1.8 | 0.00041500000000000006 | 0.44 | AML | other | m | 2016-10-31T20:00:33.62 |
IV.RM33.EHE. | ML:1.8 | 0.00028349999999999995 | 0.3 | AML | other | m | 2016-10-31T20:00:43.42 |
IV.RM33.EHN. | ML:1.6 | 0.00016665 | 0.14 | AML | other | m | 2016-10-31T20:00:43.60 |
IV.T1216.EHE. | ML:2.1 | 0.0014489999999999998 | 0.28 | AML | other | m | 2016-10-31T20:00:30.56 |