A magnitude ML 1.2 earthquake occured in region: 8 km SE Norcia (PG), on
and geographic coordinates (lat, lon) 42.7490, 13.1700 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 | 8 | 4957 | 4957 |
Accumoli | RI | 9 | 667 | 5624 |
Arquata del Tronto | AP | 11 | 1178 | 6802 |
Cascia | PG | 13 | 3217 | 10019 |
Cittareale | RI | 15 | 482 | 10501 |
Castelsantangelo sul Nera | MC | 16 | 281 | 10782 |
Amatrice | RI | 16 | 2657 | 13439 |
Montegallo | AP | 17 | 523 | 13962 |
Preci | PG | 18 | 724 | 14686 |
Poggiodomo | PG | 20 | 117 | 14803 |
Acquasanta Terme | AP | 20 | 2916 | 17719 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2020-04-22 05:35:49 |
42.7492 | 13.1697 | 11 | 2020-04-22 05:45:24 |
Sala Sismica INGV-Roma | 78460221 |
Field | Value |
---|---|
Time (UTC) | 2020-04-22 05:35:49 ± 0.05 |
Latitude | 42.7492 ± 0.0027 |
Longitude | 13.1697 ± 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 | 78460221 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 321 |
Semi-minor axis of confidence ellipse (meter) | 154 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 271 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 320.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 121 |
Number of associated phases, regardless of their use for origin computation | 16 |
Number of defining phases | 16 |
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) | 0.09353 |
Epicentral distance of station farthest from the epicenter (degree) | 0.34354 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.1 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 78460221 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-04-22 05:45:24 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.TERO.HHZ. | 2020-04-22T05:36:02.24 | 0.6 | undecidable | manual | S | 111 | 38.1285 | 50 | -0.33 | 45 |
IV.CSP1.EHZ. | 2020-04-22T05:36:02.70 | 0.3 | undecidable | manual | S | 4 | 38.1285 | 50 | 0.11 | 71 |
IV.RM33.EHZ. | 2020-04-22T05:35:59.61 | 0.3 | undecidable | manual | S | 172 | 26.8509 | 50 | 0.03 | 74 |
IV.TERO.HHZ. | 2020-04-22T05:35:57.12 | 0.3 | undecidable | manual | P | 111 | 38.1285 | 50 | -0.06 | 72 |
IV.LNSS.HHZ. | 2020-04-22T05:35:57.22 | 0.3 | undecidable | manual | S | 213 | 19.3695 | 118 | -0.24 | 71 |
IV.CSP1.EHZ. | 2020-04-22T05:35:57.20 | 0.3 | undecidable | manual | P | 4 | 38.1285 | 50 | 0.01 | 72 |
IV.MMO1.EHZ. | 2020-04-22T05:35:57.93 | 0.3 | undecidable | manual | S | 37 | 20.9679 | 117 | -0.04 | 74 |
IV.SMA1.EHZ. | 2020-04-22T05:35:57.66 | 0.3 | undecidable | manual | S | 134 | 18.87 | 119 | 0.35 | 70 |
IV.MTRA.EHZ. | 2020-04-22T05:35:56.99 | 0.3 | undecidable | manual | S | 87 | 18.4704 | 120 | -0.21 | 72 |
IV.RM33.EHZ. | 2020-04-22T05:35:55.75 | 1.0 | undecidable | manual | P | 172 | 26.8509 | 50 | 0.29 | 23 |
IV.MTRA.EHZ. | 2020-04-22T05:35:54.15 | 0.1 | undecidable | manual | P | 87 | 18.4704 | 120 | 0.07 | 99 |
IV.NRCA.HHZ. | 2020-04-22T05:35:54.87 | 0.1 | undecidable | manual | S | 334 | 10.3785 | 135 | -0.08 | 100 |
IV.SMA1.EHZ. | 2020-04-22T05:35:54.19 | 0.3 | undecidable | manual | P | 134 | 18.87 | 119 | 0.05 | 74 |
IV.LNSS.HHZ. | 2020-04-22T05:35:54.22 | 0.3 | undecidable | manual | P | 213 | 19.3695 | 118 | -0.01 | 75 |
IV.MMO1.EHZ. | 2020-04-22T05:35:54.46 | 0.3 | undecidable | manual | P | 37 | 20.9679 | 117 | -0.06 | 74 |
IV.NRCA.HHZ. | 2020-04-22T05:35:52.94 | 0.1 | undecidable | manual | P | 334 | 10.3785 | 135 | 0.16 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.2 | 0.000187 | 1.56 | AML | other | m | 2020-04-22T05:35:55.14 |
IV.NRCA.HHE. | ML:1.3 | 0.00021950000000000002 | 0.74 | AML | other | m | 2020-04-22T05:35:55.49 |