A magnitude ML 1.3 earthquake occured in region: 3 km W Preci (PG), on
and geographic coordinates (lat, lon) 42.8820, 13.0060 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 |
---|---|---|---|---|
Preci | PG | 3 | 724 | 724 |
Sellano | PG | 6 | 1079 | 1803 |
Visso | MC | 9 | 1107 | 2910 |
Cerreto di Spoleto | PG | 10 | 1075 | 3985 |
Norcia | PG | 12 | 4957 | 8942 |
Castelsantangelo sul Nera | MC | 12 | 281 | 9223 |
Monte Cavallo | MC | 13 | 145 | 9368 |
Ussita | MC | 13 | 444 | 9812 |
Vallo di Nera | PG | 17 | 364 | 10176 |
Cascia | PG | 18 | 3217 | 13393 |
Pieve Torina | MC | 19 | 1458 | 14851 |
Fiordimonte | MC | 19 | 202 | 15053 |
Poggiodomo | PG | 20 | 117 | 15170 |
Campello sul Clitunno | PG | 20 | 2442 | 17612 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.3 | 2021-04-11 23:13:38 |
42.8815 | 13.006 | 8 | 2021-04-11 23:24:23 |
Sala Sismica INGV-Roma | 89023051 |
Field | Value |
---|---|
Time (UTC) | 2021-04-11 23:13:38 ± 0.11 |
Latitude | 42.8815 ± 0.0054 |
Longitude | 13.0060 ± 0.0061 |
Depth (km) | 8 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 89023051 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 650 |
Semi-minor axis of confidence ellipse (meter) | 176 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 35 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 650.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 198 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.40469 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 89023051 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-11 23:24:23 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SEI.HHZ. | 2021-04-11T23:14:06.16 | 3.0 | positive | manual | Pn | 0.34 | 0 | |||
IV.SAMA.EHZ. | 2021-04-11T23:14:06.15 | 3.0 | undecidable | manual | S | -5.49 | 0 | |||
IV.RIBO.EHZ.01 | 2021-04-11T23:14:00.83 | 3.0 | undecidable | manual | P | -0.52 | 0 | |||
IV.ATCC.EHZ. | 2021-04-11T23:13:53.14 | 0.3 | undecidable | manual | S | 319 | 44.9217 | 50 | -0.17 | 70 |
IV.CPGN.EHZ. | 2021-04-11T23:13:53.96 | 3.0 | undecidable | manual | P | -3.65 | 0 | |||
IV.MF5.EHZ. | 2021-04-11T23:13:52.03 | 0.1 | undecidable | manual | S | 72 | 38.7279 | 50 | 0.38 | 90 |
IV.CSP1.EHZ. | 2021-04-11T23:13:48.37 | 0.3 | undecidable | manual | S | 35 | 28.3494 | 106 | -0.16 | 72 |
IV.MMO1.EHZ. | 2021-04-11T23:13:47.55 | 0.1 | undecidable | manual | S | 86 | 26.1516 | 108 | -0.25 | 94 |
IV.MF5.EHZ. | 2021-04-11T23:13:46.07 | 1.0 | negative | manual | P | 72 | 38.7279 | 50 | 0.07 | 24 |
IV.ATCC.EHZ. | 2021-04-11T23:13:46.68 | 0.3 | undecidable | manual | P | 319 | 44.9217 | 50 | -0.27 | 68 |
IV.FDMO.HHZ. | 2021-04-11T23:13:45.40 | 0.3 | undecidable | manual | S | 21 | 18.4704 | 114 | 0.11 | 74 |
IV.ARRO.EHZ. | 2021-04-11T23:13:45.48 | 3.0 | undecidable | manual | S | 0.43 | 0 | |||
IV.CSP1.EHZ. | 2021-04-11T23:13:44.01 | 0.3 | undecidable | manual | P | 35 | 28.3494 | 106 | -0.18 | 72 |
IV.CESI.HHZ. | 2021-04-11T23:13:44.68 | 0.3 | undecidable | manual | S | 329 | 15.9729 | 118 | 0.16 | 73 |
IV.MMO1.EHZ. | 2021-04-11T23:13:43.55 | 0.1 | undecidable | manual | P | 86 | 26.1516 | 108 | -0.22 | 95 |
IV.CESI.HHZ. | 2021-04-11T23:13:42.03 | 0.3 | undecidable | manual | P | 329 | 15.9729 | 118 | 0.15 | 74 |
IV.NRCA.HHZ. | 2021-04-11T23:13:42.97 | 0.1 | undecidable | manual | S | 121 | 10.2786 | 129 | 0.1 | 100 |
IV.RM33.HNZ. | 2021-04-11T23:13:42.98 | 3.0 | undecidable | manual | Pn | -0.18 | 0 | |||
IV.FDMO.HHZ. | 2021-04-11T23:13:42.49 | 0.3 | undecidable | manual | P | 21 | 18.4704 | 114 | 0.17 | 73 |
IV.NRCA.HHZ. | 2021-04-11T23:13:41.00 | 0.3 | undecidable | manual | P | 121 | 10.2786 | 129 | 0.08 | 75 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.2 | 0.00024249999999999999 | 0.3 | AML | other | m | 2021-04-11T23:13:43.21 |
IV.NRCA.HHE. | ML:1.3 | 0.0002755 | 0.54 | AML | other | m | 2021-04-11T23:13:44.37 |
IV.CESI.HHE. | ML:1.0 | 0.0000853 | 1.9 | AML | other | m | 2021-04-11T23:13:44.98 |
IV.CESI.HHN. | ML:1.2 | 0.00015900000000000002 | 1.6 | AML | other | m | 2021-04-11T23:13:44.99 |
IV.FDMO.HHN. | ML:1.4 | 0.00019250000000000002 | 0.16 | AML | other | m | 2021-04-11T23:13:45.68 |
IV.FDMO.HHE. | ML:1.5 | 0.0002525 | 1.2 | AML | other | m | 2021-04-11T23:13:46.64 |
IV.RM33.EHN. | ML:1.2 | 0.000049000000000000005 | 0.42 | AML | other | m | 2021-04-11T23:13:47.61 |
IV.CSP1.EHE. | ML:1.5 | 0.0001535 | 1.5 | AML | other | m | 2021-04-11T23:13:52.79 |
IV.CSP1.EHN. | ML:1.4 | 0.000132 | 0.54 | AML | other | m | 2021-04-11T23:13:57.70 |
IV.RM33.EHE. | ML:1.2 | 0.00004555 | 0.42 | AML | other | m | 2021-04-11T23:14:02.84 |