A magnitude ML 1.0 earthquake occured in region: 5 km S Norcia (PG), on
and geographic coordinates (lat, lon) 42.7470, 13.1090 at 10 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 | 5 | 4957 | 4957 |
Cascia | PG | 8 | 3217 | 8174 |
Accumoli | RI | 13 | 667 | 8841 |
Poggiodomo | PG | 15 | 117 | 8958 |
Cittareale | RI | 15 | 482 | 9440 |
Arquata del Tronto | AP | 16 | 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 | 20 | 2657 | 15954 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2019-04-08 08:31:16 |
42.747 | 13.1087 | 10 | 2019-04-08 08:42:25 |
Sala Sismica INGV-Roma | 67368401 |
Field | Value |
---|---|
Time (UTC) | 2019-04-08 08:31:16 ± 0.08 |
Latitude | 42.7470 ± 0.0045 |
Longitude | 13.1087 ± 0.0073 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 67368401 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 565 |
Semi-minor axis of confidence ellipse (meter) | 331 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 296 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 560.0 |
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 | 15 |
Number of defining phases | 15 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.21 |
Epicentral distance of station closest to the epicenter (degree) | 0.08633 |
Epicentral distance of station farthest from the epicenter (degree) | 0.38401 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 67368401 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2019-04-08 08:42:25 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.TERO.HHZ. | 2019-04-08T08:31:24.27 | 0.1 | undecidable | manual | P | 109 | 42.624 | 50 | 0.13 | 100 |
IV.LNSS.HHZ. | 2019-04-08T08:31:23.14 | 0.6 | undecidable | manual | S | 199 | 16.9719 | 121 | 0.2 | 52 |
IV.MC2.EHZ. | 2019-04-08T08:31:23.63 | 0.3 | undecidable | manual | S | 20 | 19.3695 | 118 | -0.05 | 79 |
IV.GAVE.EHZ. | 2019-04-08T08:31:23.21 | 0.3 | undecidable | manual | S | 251 | 18.4704 | 119 | -0.21 | 77 |
IV.CESI.HHZ. | 2019-04-08T08:31:22.51 | 0.6 | undecidable | manual | P | 330 | 33.0447 | 50 | -0.16 | 51 |
IV.CAMP.HHZ. | 2019-04-08T08:31:22.29 | 0.6 | undecidable | manual | P | 134 | 33.9438 | 50 | -0.5 | 47 |
IV.RM33.EHZ. | 2019-04-08T08:31:21.93 | 0.6 | positive | manual | P | 162 | 27.75 | 50 | 0.08 | 52 |
IV.MMO1.EHZ. | 2019-04-08T08:31:21.64 | 0.6 | undecidable | manual | P | 46 | 24.4533 | 50 | 0.3 | 50 |
IV.NRCA.HHZ. | 2019-04-08T08:31:20.92 | 0.3 | undecidable | manual | S | 3 | 9.5793 | 137 | -0.04 | 81 |
IV.SMA1.EHZ. | 2019-04-08T08:31:20.58 | 0.1 | undecidable | manual | P | 125 | 22.5552 | 115 | -0.45 | 97 |
IV.LNSS.HHZ. | 2019-04-08T08:31:20.26 | 0.3 | undecidable | manual | P | 199 | 16.9719 | 121 | 0.23 | 77 |
IV.MC2.EHZ. | 2019-04-08T08:31:20.53 | 0.3 | undecidable | manual | P | 20 | 19.3695 | 118 | 0.07 | 79 |
IV.GAVE.EHZ. | 2019-04-08T08:31:20.34 | 0.3 | undecidable | manual | P | 251 | 18.4704 | 119 | 0.03 | 80 |
IV.T1299.EHZ. | 2019-04-08T08:31:20.64 | 0.3 | undecidable | manual | P | 131 | 18.87 | 119 | 0.27 | 76 |
IV.NRCA.HHZ. | 2019-04-08T08:31:19.00 | 0.3 | undecidable | manual | P | 3 | 9.5793 | 137 | 0.11 | 80 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LNSS.HHN. | ML:0.9 | 0.00007159999999999999 | 0.56 | AML | other | m | 2019-04-08T08:31:23.92 |
IV.LNSS.HHE. | ML:0.9 | 0.00006264999999999999 | 0.44 | AML | other | m | 2019-04-08T08:31:24.36 |
IV.RM33.EHN. | ML:1.1 | 0.00006865 | 0.24 | AML | other | m | 2019-04-08T08:31:26.31 |
IV.RM33.EHE. | ML:0.9 | 0.0000445 | 0.38 | AML | other | m | 2019-04-08T08:31:26.37 |