A magnitude ML 0.8 earthquake occured in region: 6 km SE Norcia (PG), on
and geographic coordinates (lat, lon) 42.7500, 13.1340 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 | 6 | 4957 | 4957 |
Cascia | PG | 10 | 3217 | 8174 |
Accumoli | RI | 11 | 667 | 8841 |
Arquata del Tronto | AP | 14 | 1178 | 10019 |
Cittareale | RI | 15 | 482 | 10501 |
Castelsantangelo sul Nera | MC | 16 | 281 | 10782 |
Preci | PG | 16 | 724 | 11506 |
Poggiodomo | PG | 17 | 117 | 11623 |
Monteleone di Spoleto | PG | 18 | 599 | 12222 |
Amatrice | RI | 18 | 2657 | 14879 |
Cerreto di Spoleto | PG | 19 | 1075 | 15954 |
Montegallo | AP | 19 | 523 | 16477 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2022-04-30 16:42:08 |
42.7497 | 13.1335 | 11 | 2022-04-30 16:51:53 |
Sala Sismica INGV-Roma | 103999831 |
Field | Value |
---|---|
Time (UTC) | 2022-04-30 16:42:08 ± 0.04 |
Latitude | 42.7497 ± 0.0027 |
Longitude | 13.1335 ± 0.0049 |
Depth (km) | 11 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 103999831 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 440 |
Semi-minor axis of confidence ellipse (meter) | 240 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 308 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 440.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 86 |
Number of associated phases, regardless of their use for origin computation | 19 |
Number of defining phases | 19 |
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) | 0.08454 |
Epicentral distance of station farthest from the epicenter (degree) | 0.36782 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.4 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 103999831 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2022-04-30 16:51:53 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.TERO.HHZ. | 2022-04-30T16:42:22.29 | 0.3 | undecidable | manual | S | 110 | 40.8258 | 90 | 0.08 | 70 |
IV.CESI.HHZ. | 2022-04-30T16:42:20.48 | 0.3 | undecidable | manual | S | 327 | 33.8439 | 90 | 0.13 | 71 |
IV.FDMO.HHZ. | 2022-04-30T16:42:19.30 | 0.3 | undecidable | manual | S | 353 | 32.0457 | 90 | -0.55 | 64 |
IV.RM33.EHZ. | 2022-04-30T16:42:18.61 | 0.3 | undecidable | manual | S | 166 | 27.5502 | 90 | -0.04 | 73 |
IV.MMO1.EHZ. | 2022-04-30T16:42:17.31 | 0.6 | undecidable | manual | S | 43 | 22.8549 | 90 | -0.1 | 49 |
IV.GAVE.EHZ. | 2022-04-30T16:42:16.72 | 0.3 | undecidable | manual | S | 252 | 20.5683 | 90 | -0.06 | 73 |
IV.TERO.HHZ. | 2022-04-30T16:42:16.75 | 0.1 | undecidable | manual | P | 110 | 40.8258 | 90 | 0.19 | 92 |
7F.SIB1.EHZ. | 2022-04-30T16:42:16.57 | 0.3 | undecidable | manual | S | 35 | 19.5693 | 90 | 0.05 | 74 |
IV.MC2.EHZ. | 2022-04-30T16:42:16.32 | 0.3 | undecidable | manual | S | 14 | 18.4704 | 90 | 0.08 | 74 |
IV.CESI.HHZ. | 2022-04-30T16:42:15.46 | 0.1 | undecidable | manual | P | 327 | 33.8439 | 90 | -0.03 | 97 |
IV.FDMO.HHZ. | 2022-04-30T16:42:15.15 | 0.1 | undecidable | manual | P | 353 | 32.0457 | 90 | -0.05 | 96 |
IV.RM33.EHZ. | 2022-04-30T16:42:14.56 | 0.1 | undecidable | manual | P | 166 | 27.5502 | 90 | 0.05 | 97 |
IV.MC2.EHZ. | 2022-04-30T16:42:13.22 | 0.1 | undecidable | manual | P | 14 | 18.4704 | 90 | 0.1 | 98 |
IV.MTRA.HNZ. | 2022-04-30T16:42:13.51 | 0.1 | undecidable | manual | P | 88 | 21.4674 | 90 | -0.06 | 99 |
IV.MMO1.EHZ. | 2022-04-30T16:42:13.78 | 0.3 | undecidable | manual | P | 43 | 22.8549 | 90 | -0.01 | 74 |
IV.NRCA.HHZ. | 2022-04-30T16:42:13.68 | 0.3 | undecidable | manual | S | 350 | 9.3795 | 123 | -0.22 | 73 |
IV.GAVE.EHZ. | 2022-04-30T16:42:13.54 | 0.1 | undecidable | manual | P | 252 | 20.5683 | 90 | 0.11 | 98 |
7F.SIB1.EHZ. | 2022-04-30T16:42:13.28 | 0.1 | undecidable | manual | P | 35 | 19.5693 | 90 | 0 | 99 |
IV.NRCA.HHZ. | 2022-04-30T16:42:11.84 | 0.1 | undecidable | manual | P | 350 | 9.3795 | 123 | 0.08 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.6 | 0.000461 | 0.36 | AML | other | m | 2022-04-30T16:42:13.96 |
IV.NRCA.HHN. | ML:1.1 | 0.000142 | 0.84 | AML | other | m | 2022-04-30T16:42:14.12 |
IV.LNSS.HHN. | ML:0.7 | 0.00004215 | 0.3 | AML | other | m | 2022-04-30T16:42:16.55 |
IV.LNSS.HHE. | ML:0.9 | 0.0000615 | 0.64 | AML | other | m | 2022-04-30T16:42:16.44 |
IV.FDMO.HHN. | ML:0.5 | 0.00001485 | 0.44 | AML | other | m | 2022-04-30T16:42:20.08 |
IV.FDMO.HHE. | ML:0.4 | 0.000011979999999999999 | 0.74 | AML | other | m | 2022-04-30T16:42:21.42 |