A magnitude ML 1.2 earthquake occured in region: 8 km SE Norcia (PG), on
and geographic coordinates (lat, lon) 42.7550, 13.1700 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 | 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 |
Montegallo | AP | 17 | 523 | 11305 |
Amatrice | RI | 17 | 2657 | 13962 |
Preci | PG | 17 | 724 | 14686 |
Acquasanta Terme | AP | 20 | 2916 | 17602 |
Poggiodomo | PG | 20 | 117 | 17719 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2019-04-30 14:55:41 |
42.7553 | 13.1698 | 8 | 2019-04-30 15:00:32 |
Sala Sismica INGV-Roma | 68124941 |
Field | Value |
---|---|
Time (UTC) | 2019-04-30 14:55:41 ± 0.18 |
Latitude | 42.7553 ± 0.0027 |
Longitude | 13.1698 ± 0.0037 |
Depth (km) | 8 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 68124941 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 349 |
Semi-minor axis of confidence ellipse (meter) | 164 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 113 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 350.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 84 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.19 |
Epicentral distance of station closest to the epicenter (degree) | 0.08813 |
Epicentral distance of station farthest from the epicenter (degree) | 0.24821 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.4 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 68124941 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2019-04-30 15:00:32 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RM33.EHE. | 2019-04-30T14:55:51.53 | 0.1 | undecidable | manual | S | 172 | 27.5502 | 106 | 0.16 | 96 |
IV.GAVE.EHZ. | 2019-04-30T14:55:49.83 | 0.1 | undecidable | manual | S | 253 | 23.5542 | 109 | -0.21 | 96 |
IV.LNSS.HHZ. | 2019-04-30T14:55:49.07 | 0.1 | undecidable | manual | S | 212 | 19.9689 | 112 | 0.2 | 96 |
IV.MC2.EHZ. | 2019-04-30T14:55:48.24 | 0.3 | undecidable | manual | S | 5 | 17.3715 | 115 | 0.19 | 73 |
IV.MTRA.EHZ. | 2019-04-30T14:55:48.24 | 0.1 | undecidable | manual | S | 89 | 18.4704 | 114 | -0.15 | 98 |
IV.GAVE.EHZ. | 2019-04-30T14:55:46.39 | 0.1 | undecidable | manual | P | 253 | 23.5542 | 109 | 0 | 100 |
IV.RM33.EHE. | 2019-04-30T14:55:46.85 | 0.1 | undecidable | manual | P | 172 | 27.5502 | 106 | -0.31 | 93 |
IV.NRCA.HHZ. | 2019-04-30T14:55:45.63 | 0.3 | undecidable | manual | S | 332 | 9.7791 | 129 | -0.17 | 74 |
IV.LNSS.HHZ. | 2019-04-30T14:55:45.76 | 0.1 | undecidable | manual | P | 212 | 19.9689 | 112 | 0.05 | 99 |
IV.MC2.EHZ. | 2019-04-30T14:55:45.31 | 0.1 | undecidable | manual | P | 5 | 17.3715 | 115 | 0.06 | 100 |
IV.MTRA.EHZ. | 2019-04-30T14:55:45.50 | 0.1 | undecidable | manual | P | 89 | 18.4704 | 114 | 0.06 | 99 |
IV.NRCA.HHZ. | 2019-04-30T14:55:44.05 | 0.1 | undecidable | manual | P | 332 | 9.7791 | 129 | 0.11 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.5 | 0.00043 | 0.1 | AML | other | m | 2019-04-30T14:55:45.75 |
IV.NRCA.HHE. | ML:1.5 | 0.0004925000000000001 | 0.16 | AML | other | m | 2019-04-30T14:55:45.87 |
IV.LNSS.HHE. | ML:0.8 | 0.00004965 | 0.66 | AML | other | m | 2019-04-30T14:55:49.46 |
IV.LNSS.HHN. | ML:0.8 | 0.000056149999999999996 | 0.5 | AML | other | m | 2019-04-30T14:55:50.84 |