A magnitude ML 1.0 earthquake occured in region: 4 km SE Preci (PG), on
and geographic coordinates (lat, lon) 42.8470, 13.0570 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 |
---|---|---|---|---|
Preci | PG | 4 | 724 | 724 |
Norcia | PG | 7 | 4957 | 5681 |
Castelsantangelo sul Nera | MC | 10 | 281 | 5962 |
Visso | MC | 10 | 1107 | 7069 |
Sellano | PG | 12 | 1079 | 8148 |
Cerreto di Spoleto | PG | 12 | 1075 | 9223 |
Ussita | MC | 13 | 444 | 9667 |
Cascia | PG | 15 | 3217 | 12884 |
Monte Cavallo | MC | 17 | 145 | 13029 |
Poggiodomo | PG | 18 | 117 | 13146 |
Vallo di Nera | PG | 18 | 364 | 13510 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2021-05-16 00:21:53 |
42.8473 | 13.0568 | 10 | 2021-05-16 01:23:30 |
Sala Sismica INGV-Roma | 90145031 |
Field | Value |
---|---|
Time (UTC) | 2021-05-16 00:21:53 ± 0.21 |
Latitude | 42.8473 ± 0.0063 |
Longitude | 13.0568 ± 0.0061 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 90145031 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 689 |
Semi-minor axis of confidence ellipse (meter) | 376 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 40 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 690.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 217 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.18 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.20415 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.0 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 90145031 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-05-16 01:23:30 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CRTC.HHZ. | 2021-05-16T00:22:20.89 | 3.0 | undecidable | manual | S | -0.17 | 0 | |||
IV.MMUR.HNZ. | 2021-05-16T00:22:12.33 | 3.0 | undecidable | manual | S | -0.11 | 0 | |||
IV.CSP1.EHZ. | 2021-05-16T00:22:02.11 | 3.0 | undecidable | manual | S | -0.51 | 0 | |||
IV.FDMO.HHZ. | 2021-05-16T00:22:01.36 | 0.1 | undecidable | manual | S | 7 | 21.1677 | 116 | -0.1 | 97 |
IV.CESI.HHZ. | 2021-05-16T00:22:01.42 | 0.3 | undecidable | manual | S | 325 | 21.3675 | 115 | -0.13 | 72 |
IV.MMO1.EHZ. | 2021-05-16T00:22:01.72 | 0.3 | undecidable | manual | S | 75 | 22.6551 | 114 | -0.23 | 71 |
IV.MC2.EHZ. | 2021-05-16T00:21:59.34 | 0.3 | undecidable | manual | S | 56 | 12.876 | 128 | 0.32 | 70 |
IV.FDMO.HHZ. | 2021-05-16T00:21:58.16 | 0.1 | undecidable | manual | P | 7 | 21.1677 | 116 | 0.13 | 96 |
IV.CESI.HHZ. | 2021-05-16T00:21:58.10 | 0.1 | undecidable | manual | P | 325 | 21.3675 | 115 | 0.02 | 98 |
IV.MMO1.EHZ. | 2021-05-16T00:21:58.16 | 0.1 | undecidable | manual | P | 75 | 22.6551 | 114 | -0.15 | 96 |
IV.NRCA.HHZ. | 2021-05-16T00:21:57.14 | 0.1 | undecidable | manual | S | 108 | 4.8951 | 154 | -0.1 | 100 |
IV.MC2.EHZ. | 2021-05-16T00:21:56.75 | 0.1 | undecidable | manual | P | 56 | 12.876 | 128 | 0.14 | 98 |
IV.NRCA.HHZ. | 2021-05-16T00:21:55.67 | 0.1 | undecidable | manual | P | 108 | 4.8951 | 154 | 0.08 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.0 | 0.00016599999999999997 | 0.3 | AML | other | m | 2021-05-16T00:21:57.33 |
IV.NRCA.HHN. | ML:1.0 | 0.0001585 | 0.06 | AML | other | m | 2021-05-16T00:21:57.37 |