A magnitude ML 1.1 earthquake occured in region: 6 km NE Norcia (PG), on
and geographic coordinates (lat, lon) 42.8420, 13.1240 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 |
Castelsantangelo sul Nera | MC | 7 | 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 | 16 | 3217 | 11908 |
Sellano | PG | 17 | 1079 | 12987 |
Cerreto di Spoleto | PG | 17 | 1075 | 14062 |
Montegallo | AP | 17 | 523 | 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 1.1 | 2017-04-04 09:54:10 |
42.8417 | 13.1237 | 8 | 2017-04-04 10:09:50 |
Sala Sismica INGV-Roma | 43365341 |
Field | Value |
---|---|
Time (UTC) | 2017-04-04 09:54:10 ± 0.2 |
Latitude | 42.8417 ± 0.0135 |
Longitude | 13.1237 ± 0.0135 |
Depth (km) | 8 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 43365341 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1832 |
Semi-minor axis of confidence ellipse (meter) | 103 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 323 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1830.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 209 |
Number of associated phases, regardless of their use for origin computation | 9 |
Number of defining phases | 8 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.15 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.16008 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.0 |
Num. used stations | 3 |
Type of magnitude | ML |
Reference to an origin | 43365341 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2017-04-04 10:09:50 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ARRO.EHZ. | 2017-04-04T09:54:21.45 | 3.0 | undecidable | manual | S | 0.19 | 0 | |||
IV.MMO1.EHZ. | 2017-04-04T09:54:17.23 | 0.1 | undecidable | manual | S | 69 | 17.7711 | 115 | -0.05 | 97 |
IV.T1212.EHZ. | 2017-04-04T09:54:15.48 | 0.1 | undecidable | manual | S | 213 | 11.877 | 124 | -0.04 | 98 |
IV.MMO1.EHZ. | 2017-04-04T09:54:14.27 | 0.1 | positive | manual | P | 69 | 17.7711 | 115 | -0.16 | 95 |
IV.T1245.HHZ. | 2017-04-04T09:54:14.04 | 0.1 | undecidable | manual | S | 73 | 5.4945 | 146 | 0.12 | 98 |
IV.T1212.EHZ. | 2017-04-04T09:54:13.47 | 0.1 | positive | manual | P | 213 | 11.877 | 124 | 0.06 | 98 |
IV.NRCA.HHZ. | 2017-04-04T09:54:13.23 | 0.1 | undecidable | manual | S | 220 | 1.1988 | 172 | -0.14 | 98 |
IV.T1245.HHZ. | 2017-04-04T09:54:12.64 | 0.1 | undecidable | manual | P | 73 | 5.4945 | 146 | 0.16 | 97 |
IV.NRCA.HHZ. | 2017-04-04T09:54:12.21 | 0.1 | undecidable | manual | P | 220 | 1.1988 | 172 | 0.05 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.1 | 0.00010425 | 1.16 | AML | other | m | 2017-04-04T09:54:13.27 |
IV.NRCA.HHE. | ML:1.5 | 0.00028300000000000005 | 0.1 | AML | other | m | 2017-04-04T09:54:13.44 |
IV.RM33.EHE. | ML:1.1 | 0.000044649999999999994 | 0.3 | AML | other | m | 2017-04-04T09:54:15.77 |
IV.RM33.EHN. | ML:1.0 | 0.000037900000000000006 | 0.3 | AML | other | m | 2017-04-04T09:54:15.84 |
IV.T1245.HHE. | ML:1.2 | 0.00014600000000000003 | 0.08 | AML | other | m | 2017-04-04T09:54:14.37 |
IV.T1245.HHN. | ML:1.2 | 0.00013915 | 0.78 | AML | other | m | 2017-04-04T09:54:14.75 |