A magnitude ML 0.7 earthquake occured in region: 4 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.7920, 13.1370 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 | 4 | 4957 | 4957 |
Castelsantangelo sul Nera | MC | 12 | 281 | 5238 |
Preci | PG | 13 | 724 | 5962 |
Cascia | PG | 13 | 3217 | 9179 |
Arquata del Tronto | AP | 13 | 1178 | 10357 |
Accumoli | RI | 14 | 667 | 11024 |
Visso | MC | 16 | 1107 | 12131 |
Ussita | MC | 17 | 444 | 12575 |
Montegallo | AP | 17 | 523 | 13098 |
Cerreto di Spoleto | PG | 18 | 1075 | 14173 |
Poggiodomo | PG | 19 | 117 | 14290 |
Cittareale | RI | 19 | 482 | 14772 |
Montemonaco | AP | 20 | 604 | 15376 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.7 | 2020-08-12 11:23:18 |
42.7917 | 13.1367 | 10 | 2020-08-12 11:41:11 |
Sala Sismica INGV-Roma | 81905521 |
Field | Value |
---|---|
Time (UTC) | 2020-08-12 11:23:18 ± 0.12 |
Latitude | 42.7917 ± 0.0072 |
Longitude | 13.1367 ± 0.0380 |
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 | 81905521 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 3150 |
Semi-minor axis of confidence ellipse (meter) | 396 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 280 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 3150.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 151 |
Number of associated phases, regardless of their use for origin computation | 14 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.30397 |
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 | 0.7 |
Uncertainty | 0.3 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 81905521 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-08-12 11:41:11 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.LRP.EHZ. | 2020-08-12T11:23:43.15 | 3.0 | undecidable | manual | P | 0.05 | 0 | |||
IV.PE3.EHZ. | 2020-08-12T11:23:36.63 | 3.0 | undecidable | manual | P | -0.05 | 0 | |||
IV.RM33.EHE. | 2020-08-12T11:23:29.63 | 0.6 | undecidable | manual | S | 169 | 31.9458 | 50 | 0.21 | 48 |
IV.CSP1.EHZ. | 2020-08-12T11:23:29.90 | 0.3 | undecidable | manual | S | 9 | 33.744 | 50 | 0.01 | 75 |
IV.FDMO.HHZ. | 2020-08-12T11:23:27.69 | 3.0 | undecidable | manual | S | 0 | ||||
IV.LNSS.HHZ. | 2020-08-12T11:23:26.71 | 0.6 | undecidable | manual | S | 201 | 22.3554 | 114 | 0.02 | 51 |
IV.CSP1.EHZ. | 2020-08-12T11:23:25.03 | 1.0 | negative | manual | P | 9 | 33.744 | 50 | 0.09 | 24 |
IV.FDMO.HHZ. | 2020-08-12T11:23:24.16 | 3.0 | undecidable | manual | P | 0 | ||||
IV.RM33.EHE. | 2020-08-12T11:23:24.67 | 0.1 | undecidable | manual | P | 169 | 31.9458 | 50 | 0 | 100 |
IV.MC2.EHZ. | 2020-08-12T11:23:24.75 | 0.6 | undecidable | manual | S | 18 | 13.9749 | 126 | 0.6 | 45 |
IV.LNSS.HHZ. | 2020-08-12T11:23:23.00 | 0.1 | undecidable | manual | P | 201 | 22.3554 | 114 | -0.1 | 100 |
IV.NRCA.HHZ. | 2020-08-12T11:23:22.07 | 0.3 | undecidable | manual | S | 339 | 4.995 | 153 | 0 | 79 |
IV.MC2.EHZ. | 2020-08-12T11:23:21.02 | 0.1 | undecidable | manual | P | 18 | 13.9749 | 126 | -0.61 | 89 |
IV.NRCA.HHZ. | 2020-08-12T11:23:20.66 | 0.1 | undecidable | manual | P | 339 | 4.995 | 153 | 0.23 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.0 | 0.00015250000000000002 | 0.1 | AML | other | m | 2020-08-12T11:23:22.14 |
IV.NRCA.HHE. | ML:0.9 | 0.00011999999999999999 | 0.44 | AML | other | m | 2020-08-12T11:23:22.27 |
IV.FDMO.HHE. | ML:0.4 | 0.000013850000000000001 | 0.94 | AML | other | m | 2020-08-12T11:23:28.84 |
IV.FDMO.HHN. | ML:0.3 | 0.000012129999999999999 | 0.88 | AML | other | m | 2020-08-12T11:23:28.83 |