A magnitude ML 0.9 earthquake occured in region: 7 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.7640, 13.1660 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 | 7 | 4957 | 4957 |
Accumoli | RI | 10 | 667 | 5624 |
Arquata del Tronto | AP | 11 | 1178 | 6802 |
Cascia | PG | 13 | 3217 | 10019 |
Castelsantangelo sul Nera | MC | 15 | 281 | 10300 |
Cittareale | RI | 16 | 482 | 10782 |
Montegallo | AP | 16 | 523 | 11305 |
Preci | PG | 17 | 724 | 12029 |
Amatrice | RI | 18 | 2657 | 14686 |
Visso | MC | 20 | 1107 | 15793 |
Poggiodomo | PG | 20 | 117 | 15910 |
Acquasanta Terme | AP | 20 | 2916 | 18826 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2019-04-21 02:58:55 |
42.7642 | 13.1662 | 11 | 2019-04-21 03:49:18 |
Sala Sismica INGV-Roma | 67808661 |
Field | Value |
---|---|
Time (UTC) | 2019-04-21 02:58:55 ± 0.05 |
Latitude | 42.7642 ± 0.0018 |
Longitude | 13.1662 ± 0.0037 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 67808661 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 274 |
Semi-minor axis of confidence ellipse (meter) | 131 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 248 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 270.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 112 |
Number of associated phases, regardless of their use for origin computation | 19 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.12 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.35163 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 67808661 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2019-04-21 03:49:18 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ASSB.HHZ. | 2019-04-21T02:59:10.30 | 3.0 | undecidable | manual | S | -0.57 | 0 | |||
IV.TERO.HHZ. | 2019-04-21T02:59:07.92 | 0.6 | undecidable | manual | S | 114 | 39.0276 | 50 | -0.19 | 46 |
IV.CESI.HHZ. | 2019-04-21T02:59:06.81 | 0.6 | undecidable | manual | S | 322 | 34.1436 | 50 | 0 | 49 |
IV.LNSS.HHZ. | 2019-04-21T02:59:03.04 | 0.3 | undecidable | manual | S | 210 | 20.6682 | 117 | -0.09 | 73 |
IV.TERO.HHZ. | 2019-04-21T02:59:02.55 | 1.0 | undecidable | manual | P | 114 | 39.0276 | 50 | -0.06 | 24 |
IV.SMA1.EHZ. | 2019-04-21T02:59:02.74 | 0.6 | undecidable | manual | S | 137 | 20.2686 | 117 | -0.28 | 47 |
IV.MTRA.EHZ. | 2019-04-21T02:59:02.54 | 0.6 | undecidable | manual | S | 92 | 18.7701 | 119 | -0.03 | 50 |
IV.MMO1.EHZ. | 2019-04-21T02:59:02.86 | 0.6 | undecidable | manual | S | 41 | 19.869 | 118 | -0.05 | 49 |
IV.T1299.EHE. | 2019-04-21T02:59:02.20 | 0.6 | undecidable | manual | S | 147 | 17.2716 | 121 | 0.1 | 49 |
IV.MC2.EHE. | 2019-04-21T02:59:01.74 | 0.6 | undecidable | manual | S | 6 | 16.4724 | 122 | -0.13 | 49 |
IV.CESI.HHZ. | 2019-04-21T02:59:01.83 | 0.6 | undecidable | manual | P | 322 | 34.1436 | 50 | -0.04 | 48 |
IV.MC2.EHE. | 2019-04-21T02:58:59.23 | 0.1 | undecidable | manual | P | 6 | 16.4724 | 122 | 0.22 | 96 |
IV.MMO1.EHZ. | 2019-04-21T02:58:59.59 | 1.0 | undecidable | manual | P | 41 | 19.869 | 118 | -0.02 | 25 |
IV.NRCA.HHZ. | 2019-04-21T02:58:59.51 | 0.6 | undecidable | manual | S | 331 | 8.7801 | 140 | -0.34 | 47 |
IV.T1299.EHE. | 2019-04-21T02:58:59.32 | 0.1 | undecidable | manual | P | 147 | 17.2716 | 121 | 0.17 | 97 |
IV.LNSS.HHZ. | 2019-04-21T02:58:59.76 | 0.6 | negative | manual | P | 210 | 20.6682 | 117 | 0.02 | 50 |
IV.SMA1.EHZ. | 2019-04-21T02:58:59.83 | 1.0 | positive | manual | P | 137 | 20.2686 | 117 | 0.16 | 24 |
IV.MTRA.EHZ. | 2019-04-21T02:58:59.49 | 0.6 | undecidable | manual | P | 92 | 18.7701 | 119 | 0.08 | 49 |
IV.NRCA.HHZ. | 2019-04-21T02:58:57.92 | 0.1 | positive | manual | P | 331 | 8.7801 | 140 | 0.08 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.1 | 0.00017999999999999998 | 0.18 | AML | other | m | 2019-04-21T02:58:59.58 |
IV.NRCA.HHN. | ML:1.1 | 0.0001565 | 0.42 | AML | other | m | 2019-04-21T02:58:59.58 |
IV.LNSS.HHN. | ML:1.0 | 0.00006429999999999999 | 0.2 | AML | other | m | 2019-04-21T02:59:03.27 |
IV.MTRA.EHE. | ML:0.7 | 0.000032850000000000006 | 1.34 | AML | other | m | 2019-04-21T02:59:03.89 |
IV.LNSS.HHE. | ML:0.9 | 0.00006110000000000001 | 0.66 | AML | other | m | 2019-04-21T02:59:03.23 |
IV.MTRA.EHN. | ML:0.5 | 0.000026450000000000003 | 0.7 | AML | other | m | 2019-04-21T02:59:04.27 |
IV.ASSB.HHN. | ML:0.6 | 0.000012489999999999999 | 0.48 | AML | other | m | 2019-04-21T02:59:10.39 |
IV.ASSB.HHE. | ML:0.9 | 0.0000211 | 0.46 | AML | other | m | 2019-04-21T02:59:10.40 |