A magnitude ML 1.1 earthquake occured in region: 4 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.8040, 13.1390 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 | 12 | 724 | 5962 |
Arquata del Tronto | AP | 13 | 1178 | 7140 |
Cascia | PG | 14 | 3217 | 10357 |
Visso | MC | 15 | 1107 | 11464 |
Accumoli | RI | 15 | 667 | 12131 |
Ussita | MC | 16 | 444 | 12575 |
Montegallo | AP | 17 | 523 | 13098 |
Cerreto di Spoleto | PG | 18 | 1075 | 14173 |
Montemonaco | AP | 19 | 604 | 14777 |
Poggiodomo | PG | 20 | 117 | 14894 |
Sellano | PG | 20 | 1079 | 15973 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2022-04-04 08:58:16 |
42.8038 | 13.1393 | 11 | 2022-04-04 09:05:00 |
Sala Sismica INGV-Roma | 102763121 |
Field | Value |
---|---|
Time (UTC) | 2022-04-04 08:58:16 ± 0.1 |
Latitude | 42.8038 ± 0.0054 |
Longitude | 13.1393 ± 0.0086 |
Depth (km) | 11 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 102763121 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 704 |
Semi-minor axis of confidence ellipse (meter) | 643 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 67 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 700.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 120 |
Number of associated phases, regardless of their use for origin computation | 21 |
Number of defining phases | 18 |
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) | 0.29138 |
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 | 1.1 |
Uncertainty | 0.3 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 102763121 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2022-04-04 09:05:00 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FRON.EHZ. | 2022-04-04T08:58:44.78 | 3.0 | undecidable | manual | S | -0.98 | 0 | |||
IV.MURB.HHZ. | 2022-04-04T08:58:42.89 | 3.0 | undecidable | manual | S | 0.41 | 0 | |||
IV.MURB.HHZ. | 2022-04-04T08:58:30.04 | 3.0 | negative | manual | P | -0.75 | 0 | |||
IV.CSP1.EHZ. | 2022-04-04T08:58:28.16 | 0.6 | undecidable | manual | S | 9 | 32.3454 | 50 | 0.05 | 48 |
IV.CESI.HHZ. | 2022-04-04T08:58:27.05 | 0.6 | undecidable | manual | S | 320 | 29.3484 | 50 | -0.25 | 46 |
IV.SMA1.EHE. | 2022-04-04T08:58:26.37 | 0.6 | undecidable | manual | S | 140 | 24.9528 | 50 | 0.23 | 47 |
IV.LNSS.HHZ. | 2022-04-04T08:58:26.30 | 0.6 | undecidable | manual | S | 200 | 23.754 | 50 | 0.51 | 44 |
IV.MMO1.EHZ. | 2022-04-04T08:58:24.37 | 0.6 | undecidable | manual | S | 55 | 18.5703 | 50 | -0.05 | 49 |
IV.CSP1.EHZ. | 2022-04-04T08:58:23.45 | 1.0 | negative | manual | P | 9 | 32.3454 | 50 | 0.05 | 24 |
7F.SIB1.EHN. | 2022-04-04T08:58:23.34 | 0.3 | undecidable | manual | S | 46 | 14.6742 | 127 | 0.03 | 74 |
IV.CESI.HHZ. | 2022-04-04T08:58:22.97 | 1.0 | negative | manual | P | 320 | 29.3484 | 50 | 0.04 | 24 |
IV.MC2.EHZ. | 2022-04-04T08:58:22.93 | 0.6 | undecidable | manual | S | 19 | 12.5763 | 131 | 0.17 | 48 |
7F.SIB3.EHZ. | 2022-04-04T08:58:22.74 | 0.6 | undecidable | manual | S | 53 | 13.2756 | 130 | -0.19 | 48 |
IV.LNSS.HHZ. | 2022-04-04T08:58:22.38 | 1.0 | undecidable | manual | P | 200 | 23.754 | 50 | 0.31 | 23 |
IV.MMO1.EHZ. | 2022-04-04T08:58:21.45 | 0.1 | undecidable | manual | P | 55 | 18.5703 | 50 | 0.18 | 96 |
IV.SMA1.EHE. | 2022-04-04T08:58:21.52 | 0.1 | undecidable | manual | P | 140 | 24.9528 | 50 | -0.74 | 80 |
IV.MC2.EHZ. | 2022-04-04T08:58:20.42 | 0.6 | negative | manual | P | 19 | 12.5763 | 131 | 0.11 | 49 |
7F.SIB1.EHN. | 2022-04-04T08:58:20.79 | 0.1 | undecidable | manual | P | 46 | 14.6742 | 127 | 0.16 | 96 |
IV.NRCA.HHZ. | 2022-04-04T08:58:20.56 | 0.6 | undecidable | manual | S | 328 | 3.8961 | 160 | -0.44 | 47 |
7F.SIB3.EHZ. | 2022-04-04T08:58:20.49 | 0.1 | undecidable | manual | P | 53 | 13.2756 | 130 | 0.08 | 98 |
IV.NRCA.HHZ. | 2022-04-04T08:58:19.35 | 0.1 | undecidable | manual | P | 328 | 3.8961 | 160 | 0.05 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.4 | 0.00040350000000000005 | 0.14 | AML | other | m | 2022-04-04T08:58:20.70 |
IV.NRCA.HHE. | ML:1.2 | 0.00023799999999999998 | 0.12 | AML | other | m | 2022-04-04T08:58:21.51 |
IV.LNSS.HHN. | ML:0.8 | 0.000035000000000000004 | 0.16 | AML | other | m | 2022-04-04T08:58:26.53 |
IV.LNSS.HHE. | ML:1.0 | 0.000060899999999999996 | 0.38 | AML | other | m | 2022-04-04T08:58:26.65 |