A magnitude ML 0.5 earthquake occured in region: 7 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.7850, 13.1830 at 11 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 |
Arquata del Tronto | AP | 10 | 1178 | 6135 |
Accumoli | RI | 11 | 667 | 6802 |
Castelsantangelo sul Nera | MC | 13 | 281 | 7083 |
Montegallo | AP | 14 | 523 | 7606 |
Cascia | PG | 16 | 3217 | 10823 |
Preci | PG | 16 | 724 | 11547 |
Montemonaco | AP | 17 | 604 | 12151 |
Visso | MC | 18 | 1107 | 13258 |
Ussita | MC | 18 | 444 | 13702 |
Acquasanta Terme | AP | 19 | 2916 | 16618 |
Cittareale | RI | 19 | 482 | 17100 |
Amatrice | RI | 19 | 2657 | 19757 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.5 | 2020-08-02 03:45:11 |
42.7852 | 13.1827 | 11 | 2020-08-02 04:01:14 |
Sala Sismica INGV-Roma | 81566321 |
Field | Value |
---|---|
Time (UTC) | 2020-08-02 03:45:11 ± 0.06 |
Latitude | 42.7852 ± 0.0027 |
Longitude | 13.1827 ± 0.0049 |
Depth (km) | 11 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 81566321 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 379 |
Semi-minor axis of confidence ellipse (meter) | 114 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 89 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 380.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 73 |
Number of associated phases, regardless of their use for origin computation | 36 |
Number of defining phases | 24 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.23 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.34894 |
Number of stations at which the event was observed | 24 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.3 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 81566321 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-08-02 04:01:14 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
OT.TAR1.HHZ. | 2020-08-02T03:47:11.62 | 3.0 | undecidable | manual | Sg | 27.059999 | 0 | |||
IV.SERS.HHZ. | 2020-08-02T03:47:01.35 | 3.0 | undecidable | manual | Sn | -2.91 | 0 | |||
IV.CAGR.HHZ. | 2020-08-02T03:46:26.39 | 3.0 | undecidable | manual | Pg | 4.52 | 0 | |||
IV.IST3.HHZ. | 2020-08-02T03:46:23.99 | 3.0 | negative | manual | Pg | 15.8 | 0 | |||
IV.AGST.EHZ. | 2020-08-02T03:46:20.75 | 3.0 | undecidable | manual | Pn | -7.66 | 0 | |||
IV.TDS.HHZ. | 2020-08-02T03:46:12.86 | 3.0 | undecidable | manual | Pg | 9.83 | 0 | |||
IX.MNT3.HHZ.02 | 2020-08-02T03:46:08.00 | 3.0 | undecidable | manual | Sn | -2.49 | 0 | |||
IV.FIU.EHZ. | 2020-08-02T03:46:07.35 | 3.0 | undecidable | manual | Sg | -0.15 | 0 | |||
IV.QLNO.HHZ. | 2020-08-02T03:45:46.14 | 3.0 | positive | manual | Pn | -9.99 | 0 | |||
IV.SGG.HHZ. | 2020-08-02T03:45:36.78 | 3.0 | positive | manual | Pg | 4.44 | 0 | |||
IV.MPAG.HNZ. | 2020-08-02T03:45:34.24 | 3.0 | undecidable | manual | Sn | -1.59 | 0 | |||
IV.TERO.HHZ. | 2020-08-02T03:45:24.74 | 0.3 | undecidable | manual | S | 118 | 38.7279 | 91 | 0.12 | 71 |
IV.CSP1.EHZ. | 2020-08-02T03:45:23.45 | 0.1 | undecidable | manual | S | 3 | 34.0437 | 91 | 0.08 | 96 |
IV.MF5.EHZ. | 2020-08-02T03:45:23.35 | 0.3 | undecidable | manual | S | 45 | 31.8459 | 91 | 0.58 | 65 |
IV.RM33.EHZ. | 2020-08-02T03:45:22.59 | 0.3 | undecidable | manual | S | 175 | 30.747 | 91 | 0.11 | 72 |
IV.FDMO.HHZ. | 2020-08-02T03:45:21.76 | 0.1 | undecidable | manual | S | 344 | 28.9488 | 91 | -0.24 | 94 |
IV.GAVE.EHZ. | 2020-08-02T03:45:21.15 | 0.1 | undecidable | manual | S | 246 | 25.6521 | 91 | 0.02 | 97 |
IV.LNSS.HNE. | 2020-08-02T03:45:20.44 | 0.3 | undecidable | manual | S | 210 | 23.3544 | 92 | -0.06 | 74 |
IV.SMA1.EHZ. | 2020-08-02T03:45:19.68 | 0.1 | undecidable | manual | S | 144 | 21.1677 | 92 | -0.25 | 94 |
IV.T1299.HNZ. | 2020-08-02T03:45:19.43 | 0.1 | undecidable | manual | S | 154 | 18.5703 | 93 | 0.19 | 96 |
IV.TERO.HHZ. | 2020-08-02T03:45:19.19 | 0.1 | undecidable | manual | P | 118 | 38.7279 | 91 | -0.02 | 96 |
IV.MF5.EHZ. | 2020-08-02T03:45:18.13 | 0.3 | undecidable | manual | P | 45 | 31.8459 | 91 | -0.01 | 73 |
IV.MMO1.EHZ. | 2020-08-02T03:45:18.70 | 0.1 | undecidable | manual | S | 43 | 17.2716 | 94 | -0.19 | 95 |
IV.CSP1.EHZ. | 2020-08-02T03:45:18.39 | 0.1 | undecidable | manual | P | 3 | 34.0437 | 91 | -0.1 | 95 |
IV.MC2.EHZ. | 2020-08-02T03:45:18.17 | 0.1 | undecidable | manual | S | 2 | 13.9749 | 102 | 0.14 | 98 |
IV.RM33.EHZ. | 2020-08-02T03:45:17.91 | 0.3 | undecidable | manual | P | 175 | 30.747 | 91 | -0.06 | 72 |
IV.FDMO.HHZ. | 2020-08-02T03:45:17.52 | 0.1 | undecidable | manual | P | 344 | 28.9488 | 91 | -0.18 | 95 |
IV.GAVE.EHZ. | 2020-08-02T03:45:17.53 | 0.1 | undecidable | manual | P | 246 | 25.6521 | 91 | 0.34 | 91 |
IV.APEC.HHZ. | 2020-08-02T03:45:16.61 | 3.0 | undecidable | manual | P | -6.93 | 0 | |||
IV.LNSS.HNE. | 2020-08-02T03:45:16.90 | 0.3 | undecidable | manual | P | 210 | 23.3544 | 92 | 0.07 | 73 |
IV.NRCA.HHZ. | 2020-08-02T03:45:16.37 | 0.1 | undecidable | manual | S | 314 | 7.7811 | 134 | -0.19 | 97 |
IV.T1299.HNZ. | 2020-08-02T03:45:16.36 | 0.1 | undecidable | manual | P | 154 | 18.5703 | 93 | 0.26 | 95 |
IV.MC2.EHZ. | 2020-08-02T03:45:15.54 | 0.1 | undecidable | manual | P | 2 | 13.9749 | 102 | 0.14 | 98 |
IV.SMA1.EHZ. | 2020-08-02T03:45:15.87 | 0.1 | undecidable | manual | P | 144 | 21.1677 | 92 | -0.63 | 85 |
IV.MMO1.EHZ. | 2020-08-02T03:45:15.83 | 0.1 | undecidable | manual | P | 43 | 17.2716 | 94 | -0.07 | 98 |
IV.NRCA.HHZ. | 2020-08-02T03:45:14.65 | 0.1 | positive | manual | P | 314 | 7.7811 | 134 | 0.09 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.1 | 0.00017498269999999998 | 0.1024 | AML | other | m | 2020-08-02T03:45:16.92 |
IV.NRCA.HHN. | ML:1.2 | 0.00022283989999999997 | 0.1024 | AML | other | m | 2020-08-02T03:45:17.01 |
IV.NRCA.HNE. | ML:1.1 | 0.0001588569 | 0.0928 | AML | other | m | 2020-08-02T03:45:16.88 |
IV.NRCA.HNN. | ML:1.2 | 0.00020473091 | 0.08 | AML | other | m | 2020-08-02T03:45:17.01 |
IV.SMA1.EHE. | ML:0.4 | 0.000016595325000000002 | 0.0992 | AML | other | m | 2020-08-02T03:45:20.07 |
IV.SMA1.EHN. | ML:0.6 | 0.00002319758 | 0.1408 | AML | other | m | 2020-08-02T03:45:19.93 |
IV.FDMO.HHE. | ML:0.3 | 0.000007897625 | 0.16 | AML | other | m | 2020-08-02T03:45:22.88 |
IV.FDMO.HHN. | ML:0.3 | 0.000009101898000000001 | 0.2592 | AML | other | m | 2020-08-02T03:45:22.54 |
IV.GAVE.EHE. | ML:0.2 | 0.000010711641000000001 | 0.1792 | AML | other | m | 2020-08-02T03:45:23.24 |
IV.GAVE.EHN. | ML:0.2 | 0.000010799535 | 0.0992 | AML | other | m | 2020-08-02T03:45:22.68 |
IV.RM33.EHE. | ML:0.3 | 0.000007811511 | 0.6976 | AML | other | m | 2020-08-02T03:45:21.62 |
IV.RM33.EHN. | ML:0.3 | 0.000007836339500000001 | 0.1408 | AML | other | m | 2020-08-02T03:45:24.03 |
IV.TERO.HHE. | ML:0.4 | 0.00001206018 | 0.08 | AML | other | m | 2020-08-02T03:45:25.41 |
IV.TERO.HHN. | ML:0.4 | 0.000009717804999999999 | 0.08 | AML | other | m | 2020-08-02T03:45:25.09 |