A magnitude ML 0.5 earthquake occured in region: 6 km NE Norcia (PG), on
and geographic coordinates (lat, lon) 42.8420, 13.1260 at 14 km depth.
The earthquake was located by: Sala Sismica INGV-Roma.
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 | 6 | 4957 | 4957 |
Castelsantangelo sul Nera | MC | 6 | 281 | 5238 |
Preci | PG | 8 | 724 | 5962 |
Visso | MC | 10 | 1107 | 7069 |
Ussita | MC | 12 | 444 | 7513 |
Arquata del Tronto | AP | 16 | 1178 | 8691 |
Cascia | PG | 17 | 3217 | 11908 |
Montegallo | AP | 17 | 523 | 12431 |
Sellano | PG | 17 | 1079 | 13510 |
Cerreto di Spoleto | PG | 17 | 1075 | 14585 |
Montemonaco | AP | 18 | 604 | 15189 |
Bolognola | MC | 19 | 142 | 15331 |
Accumoli | RI | 19 | 667 | 15998 |
Monte Cavallo | MC | 20 | 145 | 16143 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.5 | 2017-08-31 19:25:29 |
42.8423 | 13.1263 | 14 | 2017-08-31 19:41:57 |
Sala Sismica INGV-Roma | 49553101 |
Field | Value |
---|---|
Time (UTC) | 2017-08-31 19:25:29 ± 0.09 |
Latitude | 42.8423 ± 0.0027 |
Longitude | 13.1263 ± 0.0061 |
Depth (km) | 14 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 49553101 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 392 |
Semi-minor axis of confidence ellipse (meter) | 306 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 236 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 390.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 110 |
Number of associated phases, regardless of their use for origin computation | 19 |
Number of defining phases | 17 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.18 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.25541 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.4 |
Num. used stations | 26 |
Type of magnitude | ML |
Reference to an origin | 49553101 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2017-08-31 19:41:57 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RM33.EHZ. | 2017-08-31T19:25:42.32 | 3.0 | undecidable | manual | S | 0 | ||||
IV.T1299.EHZ. | 2017-08-31T19:25:39.00 | 0.3 | undecidable | manual | S | 151 | 26.3514 | 101 | 0.15 | 72 |
IV.CSP1.EHZ. | 2017-08-31T19:25:39.51 | 0.6 | undecidable | manual | S | 13 | 28.3494 | 99 | 0.12 | 47 |
IV.CESI.HHZ. | 2017-08-31T19:25:38.74 | 0.3 | undecidable | manual | S | 315 | 25.4523 | 101 | 0.12 | 71 |
IV.FDMO.HHZ. | 2017-08-31T19:25:37.58 | 0.3 | undecidable | manual | S | 352 | 21.7671 | 105 | -0.08 | 74 |
IV.T1221.EHZ. | 2017-08-31T19:25:37.94 | 0.3 | undecidable | manual | S | 275 | 22.755 | 104 | 0.01 | 74 |
IV.T1218.EHZ. | 2017-08-31T19:25:36.99 | 0.3 | undecidable | manual | S | 183 | 19.1697 | 109 | 0 | 73 |
IV.CSP1.EHZ. | 2017-08-31T19:25:35.14 | 0.1 | undecidable | manual | P | 13 | 28.3494 | 99 | 0.02 | 97 |
IV.T1214.EHZ. | 2017-08-31T19:25:35.02 | 0.3 | undecidable | manual | S | 144 | 11.3775 | 129 | -0.15 | 73 |
IV.T1221.EHZ. | 2017-08-31T19:25:34.38 | 0.1 | undecidable | manual | P | 275 | 22.755 | 104 | 0.1 | 97 |
IV.CESI.HHZ. | 2017-08-31T19:25:34.74 | 0.1 | undecidable | manual | P | 315 | 25.4523 | 101 | 0.06 | 97 |
IV.T1299.EHZ. | 2017-08-31T19:25:34.89 | 0.1 | undecidable | manual | P | 151 | 26.3514 | 101 | 0.08 | 97 |
IV.MC2.EHZ. | 2017-08-31T19:25:34.88 | 0.3 | undecidable | manual | S | 34 | 9.1797 | 137 | 0.14 | 73 |
IV.T1218.EHZ. | 2017-08-31T19:25:33.74 | 0.1 | undecidable | manual | P | 183 | 19.1697 | 109 | 0 | 98 |
IV.FDMO.HHZ. | 2017-08-31T19:25:33.41 | 0.3 | undecidable | manual | P | 352 | 21.7671 | 105 | -0.72 | 62 |
IV.MC2.EHZ. | 2017-08-31T19:25:32.58 | 0.3 | undecidable | manual | P | 34 | 9.1797 | 137 | 0.14 | 73 |
IV.T1214.EHZ. | 2017-08-31T19:25:32.69 | 0.1 | undecidable | manual | P | 144 | 11.3775 | 129 | 0 | 100 |
IV.MMO1.EHZ. | 2017-08-31T19:25:32.57 | 3.0 | undecidable | manual | P | -0.27 | 0 | |||
IV.T1216.EHZ. | 2017-08-31T19:25:32.47 | 0.3 | undecidable | manual | P | 302 | 10.2786 | 133 | -0.09 | 75 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.T1216.EHN. | ML:0.6 | 0.000039320985000000004 | 0.096 | AML | other | m | 2017-08-31T19:25:37.61 |
IV.T1216.EHE. | ML:0.6 | 0.000039322015 | 0.08 | AML | other | m | 2017-08-31T19:25:37.93 |
IV.T1214.HNN. | ML:0.9 | 0.00007049527999999999 | 3.792 | AML | other | m | 2017-08-31T19:25:37.64 |
IV.T1214.EHE. | ML:0.5 | 0.00002814505 | 0.128 | AML | other | m | 2017-08-31T19:25:35.32 |
IV.T1214.EHN. | ML:0.3 | 0.000021231325000000003 | 0.112 | AML | other | m | 2017-08-31T19:25:35.88 |
IV.FDMO.HHE. | ML:0.4 | 0.000017210549999999997 | 0.24 | AML | other | m | 2017-08-31T19:25:37.74 |
IV.FDMO.HHN. | ML:0.2 | 0.000011241140000000001 | 0.22 | AML | other | m | 2017-08-31T19:25:37.75 |
IV.T1218.HNN. | ML:1.0 | 0.00006482205500000001 | 3.136 | AML | other | m | 2017-08-31T19:25:38.31 |
IV.T1218.EHN. | ML:0.5 | 0.0000183996065 | 0.144 | AML | other | m | 2017-08-31T19:25:37.67 |
IV.T1218.EHE. | ML:0.3 | 0.000014650221 | 0.096 | AML | other | m | 2017-08-31T19:25:37.40 |
IV.T1218.HNE. | ML:1.4 | 0.00015748281 | 0.608 | AML | other | m | 2017-08-31T19:25:35.73 |
IV.T1221.EHE. | ML:0.2 | 0.00001024879 | 0.8 | AML | other | m | 2017-08-31T19:25:42.61 |
IV.T1221.HNE. | ML:1.3 | 0.00011411885999999999 | 1.136 | AML | other | m | 2017-08-31T19:25:45.42 |
IV.T1221.HNN. | ML:1.2 | 0.00010675758 | 0.896 | AML | other | m | 2017-08-31T19:25:41.80 |
IV.CESI.HHE. | ML:0.3 | 0.000008850410500000001 | 0.32 | AML | other | m | 2017-08-31T19:25:40.77 |
IV.CESI.HHN. | ML:0.3 | 0.000011107204999999998 | 0.14 | AML | other | m | 2017-08-31T19:25:39.06 |
IV.T1299.HNN. | ML:1.4 | 0.00012039389999999999 | 0.97 | AML | other | m | 2017-08-31T19:25:40.55 |
IV.T1299.HNE. | ML:1.3 | 0.00011569895000000001 | 0.65 | AML | other | m | 2017-08-31T19:25:45.60 |
IV.T1299.EHE. | ML:0.0 | 0.000006438445 | 0.16 | AML | other | m | 2017-08-31T19:25:39.59 |
IV.T1299.EHN. | ML:0.3 | 0.000009224909500000001 | 1.02 | AML | other | m | 2017-08-31T19:25:39.88 |
IV.CSP1.EHN. | ML:0.3 | 0.000007530410000000001 | 4.14 | AML | other | m | 2017-08-31T19:25:40.60 |
IV.CSP1.EHE. | ML:0.5 | 0.000013001185000000002 | 1.04 | AML | other | m | 2017-08-31T19:25:45.76 |
IV.RM33.HNE. | ML:1.8 | 0.00023317314 | 0.29 | AML | other | m | 2017-08-31T19:25:46.13 |
IV.RM33.HNN. | ML:1.8 | 0.00023484814999999998 | 0.52 | AML | other | m | 2017-08-31T19:25:46.12 |
IV.RM33.EHE. | ML:0.4 | 0.000010242702 | 0.62 | AML | other | m | 2017-08-31T19:25:56.01 |
IV.RM33.EHN. | ML:0.2 | 0.000005976453000000001 | 0.4 | AML | other | m | 2017-08-31T19:25:45.46 |