A magnitude ML 0.3 earthquake occured in region: 6 km SE Norcia (PG), on
and geographic coordinates (lat, lon) 42.7460, 13.1140 at 8 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 |
Cascia | PG | 9 | 3217 | 8174 |
Accumoli | RI | 12 | 667 | 8841 |
Cittareale | RI | 15 | 482 | 9323 |
Poggiodomo | PG | 15 | 117 | 9440 |
Arquata del Tronto | AP | 15 | 1178 | 10618 |
Preci | PG | 16 | 724 | 11342 |
Monteleone di Spoleto | PG | 17 | 599 | 11941 |
Castelsantangelo sul Nera | MC | 17 | 281 | 12222 |
Cerreto di Spoleto | PG | 18 | 1075 | 13297 |
Amatrice | RI | 19 | 2657 | 15954 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.3 | 2017-04-11 09:54:45 |
42.7457 | 13.1138 | 8 | 2017-04-11 10:11:53 |
Sala Sismica INGV-Roma | 43699661 |
Field | Value |
---|---|
Time (UTC) | 2017-04-11 09:54:45 ± 0.34 |
Latitude | 42.7457 ± 0.0054 |
Longitude | 13.1138 ± 0.0098 |
Depth (km) | 8 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 43699661 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 725 |
Semi-minor axis of confidence ellipse (meter) | 228 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 97 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 720.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 100 |
Number of associated phases, regardless of their use for origin computation | 19 |
Number of defining phases | 8 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.24 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.08813 |
Number of stations at which the event was observed | 15 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 0.3 |
Uncertainty | 0.2 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 43699661 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2017-04-11 10:11:53 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ZONE.HHZ. | 2017-04-11T09:56:03.62 | 3.0 | undecidable | manual | Sn | -0.87 | 0 | |||
IV.ERC.EHZ. | 2017-04-11T09:55:57.11 | 3.0 | undecidable | manual | Pg | 7.16 | 0 | |||
BA.PZUN.HHZ. | 2017-04-11T09:55:28.94 | 3.0 | undecidable | manual | Pn | 1.08 | 0 | |||
IV.SGG.HHZ. | 2017-04-11T09:55:13.42 | 3.0 | positive | manual | Pg | 2.87 | 0 | |||
IV.TOLF.HHZ. | 2017-04-11T09:55:10.97 | 3.0 | undecidable | manual | Sg | -0.69 | 0 | |||
IV.ARVD.HHZ. | 2017-04-11T09:55:04.03 | 3.0 | undecidable | manual | Sg | 3.98 | 0 | |||
IV.T1247.HHZ. | 2017-04-11T09:55:01.53 | 3.0 | undecidable | manual | Sn | -3.61 | 0 | |||
IV.CPGN.EHZ. | 2017-04-11T09:54:51.56 | 3.0 | undecidable | manual | Pn | -1.79 | 0 | |||
IV.GUMA.HHZ. | 2017-04-11T09:54:50.06 | 3.0 | positive | manual | Pg | -0.2 | 0 | |||
IV.T1218.EHZ. | 2017-04-11T09:54:50.17 | 0.3 | undecidable | manual | S | 179 | 8.3805 | 135 | 0.13 | 73 |
IV.NRCA.HHZ. | 2017-04-11T09:54:50.38 | 0.1 | undecidable | manual | S | 0 | 9.7791 | 131 | -0.01 | 100 |
IV.NARO.HHZ. | 2017-04-11T09:54:50.40 | 3.0 | undecidable | manual | Pg | -0.4 | 0 | |||
IV.T1214.EHZ. | 2017-04-11T09:54:49.73 | 0.3 | undecidable | manual | S | 79 | 7.881 | 137 | -0.19 | 73 |
IV.T1212.EHZ. | 2017-04-11T09:54:49.56 | 0.1 | undecidable | manual | S | 277 | 5.6943 | 146 | 0.12 | 99 |
IV.T1214.EHZ. | 2017-04-11T09:54:48.35 | 0.1 | undecidable | manual | P | 79 | 7.881 | 137 | 0.12 | 98 |
IV.T1218.EHZ. | 2017-04-11T09:54:48.28 | 0.3 | undecidable | manual | P | 179 | 8.3805 | 135 | -0.02 | 75 |
IV.NRCA.HHZ. | 2017-04-11T09:54:48.70 | 0.1 | undecidable | manual | P | 0 | 9.7791 | 131 | 0.2 | 96 |
IV.T1212.EHZ. | 2017-04-11T09:54:47.59 | 0.1 | undecidable | manual | P | 277 | 5.6943 | 146 | -0.37 | 94 |
IV.MMUR.HNZ. | 2017-04-11T09:54:46.92 | 3.0 | undecidable | manual | Pn | -3 | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:0.4 | 0.0000378 | 0.16 | AML | other | m | 2017-04-11T09:54:53.21 |
IV.NRCA.HHE. | ML:0.6 | 0.00006214999999999999 | 0.18 | AML | other | m | 2017-04-11T09:54:50.45 |
IV.T1218.EHN. | ML:0.2 | 0.000027275474999999998 | 1.1008 | AML | other | m | 2017-04-11T09:54:50.31 |
IV.T1218.EHE. | ML:0.1 | 0.000017542269999999998 | 0.4288 | AML | other | m | 2017-04-11T09:54:50.30 |