A magnitude ML 1.1 earthquake occured in region: 7 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.8200, 13.1650 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 |
Castelsantangelo sul Nera | MC | 8 | 281 | 5238 |
Arquata del Tronto | AP | 12 | 1178 | 6416 |
Preci | PG | 12 | 724 | 7140 |
Visso | MC | 14 | 1107 | 8247 |
Ussita | MC | 14 | 444 | 8691 |
Montegallo | AP | 14 | 523 | 9214 |
Accumoli | RI | 15 | 667 | 9881 |
Montemonaco | AP | 16 | 604 | 10485 |
Cascia | PG | 17 | 3217 | 13702 |
Montefortino | FM | 20 | 1178 | 14880 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2020-09-04 04:27:44 |
42.8202 | 13.1648 | 11 | 2020-09-04 04:48:44 |
Sala Sismica INGV-Roma | 82610051 |
Field | Value |
---|---|
Time (UTC) | 2020-09-04 04:27:44 ± 0.04 |
Latitude | 42.8202 ± 0.0027 |
Longitude | 13.1648 ± 0.0037 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 82610051 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 274 |
Semi-minor axis of confidence ellipse (meter) | 240 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 29 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 270.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 87 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 16 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.13 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.31296 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.2 |
Num. used stations | 18 |
Type of magnitude | ML |
Reference to an origin | 82610051 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-09-04 04:48:44 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RM33.EHZ. | 2020-09-04T04:27:56.06 | 0.1 | undecidable | manual | S | 173 | 34.743 | 50 | -0.08 | 96 |
IV.CESI.HHZ. | 2020-09-04T04:27:54.65 | 0.1 | undecidable | manual | S | 314 | 29.4483 | 50 | -0.07 | 97 |
IV.SMA1.EHZ. | 2020-09-04T04:27:53.53 | 0.1 | undecidable | manual | S | 147 | 25.2525 | 50 | -0.06 | 98 |
IV.LNSS.HHZ. | 2020-09-04T04:27:53.94 | 0.1 | undecidable | manual | S | 203 | 26.1516 | 50 | 0.1 | 97 |
IV.TERO.HHZ. | 2020-09-04T04:27:52.51 | 3.0 | positive | manual | P | 0.04 | 0 | |||
IV.MTRA.EHZ. | 2020-09-04T04:27:52.21 | 0.1 | undecidable | manual | S | 110 | 20.1687 | 50 | -0.03 | 99 |
IV.MMO1.EHZ. | 2020-09-04T04:27:51.00 | 0.1 | undecidable | manual | S | 56 | 15.873 | 125 | -0.07 | 99 |
IV.RM33.EHZ. | 2020-09-04T04:27:51.22 | 0.1 | undecidable | manual | P | 173 | 34.743 | 50 | 0.05 | 96 |
IV.CAMP.HHZ. | 2020-09-04T04:27:51.54 | 3.0 | negative | manual | P | -0.15 | 0 | |||
IV.CESI.HHZ. | 2020-09-04T04:27:50.34 | 0.1 | undecidable | manual | P | 314 | 29.4483 | 50 | -0.01 | 98 |
IV.SMA1.EHZ. | 2020-09-04T04:27:49.75 | 0.1 | undecidable | manual | P | 147 | 25.2525 | 50 | 0.05 | 98 |
IV.MTRA.EHZ. | 2020-09-04T04:27:49.02 | 1.0 | negative | manual | P | 110 | 20.1687 | 50 | 0.1 | 24 |
IV.LNSS.HHZ. | 2020-09-04T04:27:49.83 | 0.1 | undecidable | manual | P | 203 | 26.1516 | 50 | -0.02 | 98 |
IV.FDMO.HHZ. | 2020-09-04T04:27:49.60 | 0.3 | negative | manual | P | 345 | 24.8529 | 50 | -0.04 | 74 |
IV.NRCA.HNZ. | 2020-09-04T04:27:48.26 | 0.1 | undecidable | manual | S | 290 | 4.3956 | 158 | -0.22 | 98 |
IV.MMO1.EHZ. | 2020-09-04T04:27:48.18 | 0.1 | undecidable | manual | P | 56 | 15.873 | 125 | -0.06 | 99 |
IV.MC2.EHZ. | 2020-09-04T04:27:47.72 | 0.1 | undecidable | manual | P | 11 | 10.2786 | 137 | 0.32 | 95 |
IV.NRCA.HNZ. | 2020-09-04T04:27:46.87 | 0.1 | undecidable | manual | P | 290 | 4.3956 | 158 | 0.12 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.7 | 0.0008945000000000001 | 0.9 | AML | other | m | 2020-09-04T04:27:48.82 |
IV.NRCA.HNN. | ML:1.7 | 0.000801 | 0.88 | AML | other | m | 2020-09-04T04:27:48.82 |
IV.NRCA.HNE. | ML:1.5 | 0.0004485 | 0.1 | AML | other | m | 2020-09-04T04:27:49.16 |
IV.NRCA.HHE. | ML:1.5 | 0.00047999999999999996 | 0.1 | AML | other | m | 2020-09-04T04:27:49.16 |
IV.MTRA.EHE. | ML:1.0 | 0.0000739 | 1.1 | AML | other | m | 2020-09-04T04:27:53.70 |
IV.SMA1.EHN. | ML:1.2 | 0.00009195 | 1.66 | AML | other | m | 2020-09-04T04:27:53.86 |
IV.SMA1.EHE. | ML:1.1 | 0.00007895 | 1.9 | AML | other | m | 2020-09-04T04:27:53.00 |
IV.MTRA.EHN. | ML:0.8 | 0.000047 | 0.68 | AML | other | m | 2020-09-04T04:27:54.40 |
IV.LNSS.HHN. | ML:1.2 | 0.00007975 | 1.32 | AML | other | m | 2020-09-04T04:27:54.75 |
IV.LNSS.HHE. | ML:1.1 | 0.00006465 | 0.2 | AML | other | m | 2020-09-04T04:27:54.15 |
IV.CESI.HHE. | ML:1.0 | 0.000054600000000000006 | 0.18 | AML | other | m | 2020-09-04T04:27:54.85 |
IV.CESI.HHN. | ML:1.1 | 0.000061 | 1.38 | AML | other | m | 2020-09-04T04:27:54.87 |
IV.RM33.EHN. | ML:1.0 | 0.00004275 | 0.1 | AML | other | m | 2020-09-04T04:27:57.05 |
IV.CAMP.HHN. | ML:0.8 | 0.000027199999999999997 | 1.08 | AML | other | m | 2020-09-04T04:27:57.16 |
IV.RM33.EHE. | ML:1.0 | 0.00003835 | 0.6 | AML | other | m | 2020-09-04T04:27:57.01 |
IV.TERO.HHE. | ML:1.1 | 0.0000461 | 0.1 | AML | other | m | 2020-09-04T04:27:58.86 |
IV.TERO.HHN. | ML:1.0 | 0.0000327 | 1.04 | AML | other | m | 2020-09-04T04:27:59.66 |
IV.CAMP.HHE. | ML:0.8 | 0.0000235 | 0.82 | AML | other | m | 2020-09-04T04:28:05.61 |