A magnitude ML 1.3 earthquake occured in region: 4 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.8090, 13.1340 at 11 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 | 4 | 4957 | 4957 |
Castelsantangelo sul Nera | MC | 10 | 281 | 5238 |
Preci | PG | 11 | 724 | 5962 |
Arquata del Tronto | AP | 14 | 1178 | 7140 |
Cascia | PG | 14 | 3217 | 10357 |
Visso | MC | 14 | 1107 | 11464 |
Ussita | MC | 15 | 444 | 11908 |
Accumoli | RI | 16 | 667 | 12575 |
Montegallo | AP | 17 | 523 | 13098 |
Cerreto di Spoleto | PG | 18 | 1075 | 14173 |
Montemonaco | AP | 19 | 604 | 14777 |
Sellano | PG | 19 | 1079 | 15856 |
Poggiodomo | PG | 19 | 117 | 15973 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.3 | 2017-08-31 15:21:16 |
42.8087 | 13.134 | 11 | 2017-08-31 15:45:07 |
Sala Sismica INGV-Roma | 49546511 |
Field | Value |
---|---|
Time (UTC) | 2017-08-31 15:21:16 ± 0.03 |
Latitude | 42.8087 ± 0.0018 |
Longitude | 13.1340 ± 0.0025 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 49546511 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 228 |
Semi-minor axis of confidence ellipse (meter) | 171 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 87 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 230.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 98 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.30487 |
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 | 1.3 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 49546511 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2017-08-31 15:45:07 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SAMA.HHZ. | 2017-08-31T15:21:52.71 | 3.0 | undecidable | manual | S | -0.4 | 0 | |||
IV.LPEL.HHZ. | 2017-08-31T15:21:36.71 | 3.0 | undecidable | manual | P | -0.11 | 0 | |||
IV.RM33.EHZ. | 2017-08-31T15:21:28.04 | 0.3 | undecidable | manual | S | 169 | 33.8439 | 50 | 0.01 | 73 |
IV.CSP1.EHZ. | 2017-08-31T15:21:27.63 | 0.1 | undecidable | manual | S | 10 | 31.9458 | 50 | 0.11 | 96 |
IV.CESI.HHZ. | 2017-08-31T15:21:26.71 | 0.1 | undecidable | manual | S | 320 | 28.6491 | 50 | 0.07 | 97 |
IV.T1221.EHZ. | 2017-08-31T15:21:25.28 | 0.3 | undecidable | manual | S | 284 | 24.0537 | 50 | -0.13 | 73 |
IV.FDMO.HHZ. | 2017-08-31T15:21:25.53 | 0.3 | undecidable | manual | S | 351 | 25.5522 | 50 | -0.28 | 70 |
IV.RM33.EHZ. | 2017-08-31T15:21:23.10 | 0.3 | undecidable | manual | P | 169 | 33.8439 | 50 | -0.03 | 73 |
IV.MMO1.EHZ. | 2017-08-31T15:21:23.82 | 0.3 | undecidable | manual | S | 57 | 18.6702 | 120 | -0.07 | 74 |
IV.CESI.HHZ. | 2017-08-31T15:21:22.39 | 0.1 | undecidable | manual | P | 320 | 28.6491 | 50 | 0.06 | 97 |
IV.CSP1.EHZ. | 2017-08-31T15:21:22.86 | 0.3 | undecidable | manual | P | 10 | 31.9458 | 50 | 0.02 | 73 |
IV.T1216.EHZ. | 2017-08-31T15:21:22.22 | 0.3 | undecidable | manual | S | 314 | 13.0758 | 129 | -0.07 | 75 |
IV.T1218.EHZ. | 2017-08-31T15:21:22.82 | 0.6 | undecidable | manual | S | 186 | 15.4734 | 125 | -0.14 | 49 |
IV.T1214.EHZ. | 2017-08-31T15:21:21.00 | 0.3 | undecidable | manual | S | 132 | 8.1807 | 143 | -0.1 | 75 |
IV.T1221.EHZ. | 2017-08-31T15:21:21.67 | 0.3 | undecidable | manual | P | 284 | 24.0537 | 50 | 0.05 | 74 |
IV.FDMO.HHZ. | 2017-08-31T15:21:21.82 | 0.3 | undecidable | manual | P | 351 | 25.5522 | 50 | -0.03 | 74 |
IV.T1218.EHZ. | 2017-08-31T15:21:20.23 | 0.3 | undecidable | manual | P | 186 | 15.4734 | 125 | 0.03 | 75 |
IV.MMO1.EHZ. | 2017-08-31T15:21:20.73 | 0.1 | undecidable | manual | P | 57 | 18.6702 | 120 | -0.01 | 100 |
IV.T1214.EHZ. | 2017-08-31T15:21:19.30 | 0.1 | undecidable | manual | P | 132 | 8.1807 | 143 | 0.17 | 99 |
IV.T1216.EHZ. | 2017-08-31T15:21:19.93 | 0.1 | undecidable | manual | P | 314 | 13.0758 | 129 | 0.11 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.T1216.EHE. | ML:1.3 | 0.00021 | 0.8 | AML | other | m | 2017-08-31T15:21:22.84 |
IV.T1216.EHN. | ML:1.5 | 0.00034550000000000005 | 0.1 | AML | other | m | 2017-08-31T15:21:22.54 |
IV.T1218.EHE. | ML:1.4 | 0.00020500000000000002 | 0.68 | AML | other | m | 2017-08-31T15:21:22.94 |
IV.T1218.EHN. | ML:1.4 | 0.0002535 | 0.54 | AML | other | m | 2017-08-31T15:21:23.17 |
IV.T1299.EHN. | ML:1.2 | 0.00010920000000000001 | 0.26 | AML | other | m | 2017-08-31T15:21:26.31 |
IV.T1299.EHE. | ML:1.1 | 0.00008085 | 0.36 | AML | other | m | 2017-08-31T15:21:26.25 |
IV.FDMO.HHN. | ML:1.3 | 0.0001121 | 0.24 | AML | other | m | 2017-08-31T15:21:26.27 |
IV.FDMO.HHE. | ML:1.2 | 0.0000881 | 0.28 | AML | other | m | 2017-08-31T15:21:26.67 |
IV.CESI.HHE. | ML:1.3 | 0.00011205000000000001 | 1.62 | AML | other | m | 2017-08-31T15:21:26.85 |
IV.CESI.HHN. | ML:1.5 | 0.0001595 | 1.66 | AML | other | m | 2017-08-31T15:21:27.94 |
IV.RM33.EHN. | ML:1.0 | 0.00004745 | 0.26 | AML | other | m | 2017-08-31T15:21:28.68 |
IV.RM33.EHE. | ML:1.1 | 0.000049699999999999995 | 0.12 | AML | other | m | 2017-08-31T15:21:28.73 |