A magnitude ML 1.2 earthquake occured in region: 4 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.7820, 13.1450 at 9 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 |
Arquata del Tronto | AP | 13 | 1178 | 6135 |
Castelsantangelo sul Nera | MC | 13 | 281 | 6416 |
Accumoli | RI | 13 | 667 | 7083 |
Cascia | PG | 13 | 3217 | 10300 |
Preci | PG | 14 | 724 | 11024 |
Montegallo | AP | 17 | 523 | 11547 |
Visso | MC | 17 | 1107 | 12654 |
Ussita | MC | 18 | 444 | 13098 |
Cittareale | RI | 18 | 482 | 13580 |
Poggiodomo | PG | 19 | 117 | 13697 |
Cerreto di Spoleto | PG | 19 | 1075 | 14772 |
Montemonaco | AP | 20 | 604 | 15376 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2017-02-21 22:56:05 |
42.7822 | 13.145 | 9 | 2017-02-21 23:00:59 |
Sala Sismica INGV-Roma | 41449771 |
Field | Value |
---|---|
Time (UTC) | 2017-02-21 22:56:05 ± 0.07 |
Latitude | 42.7822 ± 0.0018 |
Longitude | 13.1450 ± 0.0025 |
Depth (km) | 9 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 41449771 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 250 |
Semi-minor axis of confidence ellipse (meter) | 30 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 129 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 250.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 46 |
Number of associated phases, regardless of their use for origin computation | 28 |
Number of defining phases | 24 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.16 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.32825 |
Number of stations at which the event was observed | 18 |
Number of stations from which data was used for origin computation | 14 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.2 |
Num. used stations | 7 |
Type of magnitude | ML |
Reference to an origin | 41449771 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2017-02-21 23:00:59 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.T1241.EHZ. | 2017-02-21T22:56:14.43 | 0.3 | undecidable | manual | S | 70 | 24.6531 | 109 | -0.18 | 71 |
IV.T1299.EHZ. | 2017-02-21T22:56:13.18 | 0.1 | undecidable | manual | S | 146 | 19.869 | 114 | 0.13 | 96 |
IV.LNSS.HHZ. | 2017-02-21T22:56:13.55 | 0.3 | undecidable | manual | S | 203 | 21.6672 | 112 | -0.07 | 73 |
IV.T1217.EHZ. | 2017-02-21T22:56:12.66 | 0.1 | undecidable | manual | S | 246 | 19.0698 | 114 | -0.14 | 96 |
IV.T1220.EHZ. | 2017-02-21T22:56:12.69 | 3.0 | positive | manual | P | 0.01 | 0 | |||
IV.MMO1.EHZ. | 2017-02-21T22:56:12.95 | 0.1 | undecidable | manual | S | 49 | 19.6692 | 114 | -0.04 | 98 |
IV.T1211.EHZ. | 2017-02-21T22:56:12.89 | 0.3 | undecidable | manual | P | 221 | 36.4413 | 50 | 0.02 | 71 |
IV.TERO.HHZ. | 2017-02-21T22:56:12.89 | 3.0 | undecidable | manual | P | -0.38 | 0 | |||
IV.MC2.EHZ. | 2017-02-21T22:56:11.82 | 0.1 | undecidable | manual | S | 14 | 14.7741 | 120 | 0.35 | 92 |
IV.RM33.EHZ. | 2017-02-21T22:56:11.61 | 3.0 | undecidable | manual | P | 0.15 | 0 | |||
IV.FDMO.HHZ. | 2017-02-21T22:56:11.31 | 3.0 | negative | manual | P | -0.03 | 0 | |||
IV.T1218.EHZ. | 2017-02-21T22:56:11.13 | 0.1 | undecidable | manual | S | 191 | 12.6762 | 124 | 0.28 | 94 |
IV.SMA1.EHZ. | 2017-02-21T22:56:10.40 | 0.3 | undecidable | manual | P | 137 | 22.8549 | 111 | -0.04 | 73 |
IV.LNSS.HHZ. | 2017-02-21T22:56:10.03 | 0.3 | positive | manual | P | 203 | 21.6672 | 112 | -0.17 | 71 |
IV.T1215.EHZ. | 2017-02-21T22:56:10.22 | 0.3 | undecidable | manual | P | 276 | 22.6551 | 111 | -0.16 | 71 |
IV.T1241.EHZ. | 2017-02-21T22:56:10.58 | 0.3 | undecidable | manual | P | 70 | 24.6531 | 109 | -0.19 | 70 |
IV.T1217.EHZ. | 2017-02-21T22:56:09.65 | 0.1 | undecidable | manual | P | 246 | 19.0698 | 114 | -0.08 | 97 |
IV.NRCA.HHZ. | 2017-02-21T22:56:09.03 | 0.1 | undecidable | manual | S | 336 | 6.1938 | 144 | -0.19 | 97 |
IV.MC2.EHZ. | 2017-02-21T22:56:09.16 | 0.1 | undecidable | manual | P | 14 | 14.7741 | 120 | 0.2 | 95 |
IV.MMO1.EHZ. | 2017-02-21T22:56:09.70 | 0.3 | undecidable | manual | P | 49 | 19.6692 | 114 | -0.14 | 72 |
IV.T1212.EHZ. | 2017-02-21T22:56:09.88 | 0.1 | undecidable | manual | S | 247 | 8.88 | 134 | 0.06 | 99 |
IV.T1216.EHZ. | 2017-02-21T22:56:09.17 | 0.1 | undecidable | manual | P | 320 | 15.7731 | 119 | 0.03 | 99 |
IV.T1299.EHZ. | 2017-02-21T22:56:09.99 | 0.1 | undecidable | manual | P | 146 | 19.869 | 114 | 0.12 | 96 |
IV.T1212.EHZ. | 2017-02-21T22:56:08.14 | 0.1 | positive | manual | P | 247 | 8.88 | 134 | 0.13 | 98 |
IV.T1214.EHZ. | 2017-02-21T22:56:08.93 | 0.1 | undecidable | manual | S | 116 | 5.7942 | 146 | -0.21 | 97 |
IV.T1218.EHZ. | 2017-02-21T22:56:08.60 | 0.1 | undecidable | manual | P | 191 | 12.6762 | 124 | 0 | 100 |
IV.T1214.EHZ. | 2017-02-21T22:56:07.66 | 0.1 | undecidable | manual | P | 116 | 5.7942 | 146 | 0.04 | 100 |
IV.NRCA.HHZ. | 2017-02-21T22:56:07.73 | 0.1 | undecidable | manual | P | 336 | 6.1938 | 144 | 0.06 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LNSS.HHN. | ML:1.5 | 0.0002275 | 0.24 | AML | other | m | 2017-02-21T22:56:13.76 |
IV.LNSS.HHE. | ML:1.5 | 0.00022849999999999997 | 1.82 | AML | other | m | 2017-02-21T22:56:13.91 |
IV.SMA1.EHE. | ML:0.8 | 0.0000454 | 0.54 | AML | other | m | 2017-02-21T22:56:16.65 |
IV.SMA1.EHN. | ML:0.7 | 0.000032500000000000004 | 0.56 | AML | other | m | 2017-02-21T22:56:20.07 |
IV.T1212.EHN. | ML:1.1 | 0.00020500000000000002 | 0.12 | AML | other | m | 2017-02-21T22:56:09.99 |
IV.T1212.EHE. | ML:1.2 | 0.00021799999999999999 | 1.68 | AML | other | m | 2017-02-21T22:56:09.11 |
IV.T1214.HNN. | ML:1.4 | 0.0005005 | 1.92 | AML | other | m | 2017-02-21T22:56:08.96 |
IV.T1214.EHN. | ML:1.4 | 0.0004725 | 1.72 | AML | other | m | 2017-02-21T22:56:08.96 |
IV.T1214.EHE. | ML:1.4 | 0.00045 | 1.78 | AML | other | m | 2017-02-21T22:56:09.98 |
IV.T1214.HNE. | ML:1.4 | 0.000468 | 1.78 | AML | other | m | 2017-02-21T22:56:09.09 |
IV.T1218.EHE. | ML:1.0 | 0.00012995000000000001 | 0.98 | AML | other | m | 2017-02-21T22:56:11.19 |
IV.T1218.EHN. | ML:1.3 | 0.000216 | 0.2 | AML | other | m | 2017-02-21T22:56:11.23 |
IV.T1218.HNN. | ML:1.3 | 0.00023899999999999998 | 1.12 | AML | other | m | 2017-02-21T22:56:11.68 |
IV.T1218.HNE. | ML:1.1 | 0.00015099999999999998 | 1.34 | AML | other | m | 2017-02-21T22:56:11.75 |
IV.T1220.EHN. | ML:1.4 | 0.0001017 | 0.42 | AML | other | m | 2017-02-21T22:56:16.07 |
IV.T1220.EHE. | ML:1.3 | 0.00007455 | 0.76 | AML | other | m | 2017-02-21T22:56:20.32 |
IV.T1241.EHN. | ML:1.0 | 0.00005695 | 0.28 | AML | other | m | 2017-02-21T22:56:14.55 |
IV.T1241.EHE. | ML:0.9 | 0.000048899999999999996 | 0.28 | AML | other | m | 2017-02-21T22:56:14.47 |