A magnitude ML 1.4 earthquake occured in region: 5 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.7970, 13.1520 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 | 5 | 4957 | 4957 |
Castelsantangelo sul Nera | MC | 11 | 281 | 5238 |
Arquata del Tronto | AP | 12 | 1178 | 6416 |
Preci | PG | 13 | 724 | 7140 |
Accumoli | RI | 14 | 667 | 7807 |
Cascia | PG | 14 | 3217 | 11024 |
Montegallo | AP | 16 | 523 | 11547 |
Visso | MC | 16 | 1107 | 12654 |
Ussita | MC | 17 | 444 | 13098 |
Montemonaco | AP | 18 | 604 | 13702 |
Cerreto di Spoleto | PG | 19 | 1075 | 14777 |
Cittareale | RI | 20 | 482 | 15259 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.4 | 2021-08-26 08:54:40 |
42.797 | 13.1525 | 10 | 2021-08-26 09:06:37 |
Sala Sismica INGV-Roma | 94655081 |
Field | Value |
---|---|
Time (UTC) | 2021-08-26 08:54:40 ± 0.06 |
Latitude | 42.7970 ± 0.0027 |
Longitude | 13.1525 ± 0.0049 |
Depth (km) | 10 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 94655081 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 390 |
Semi-minor axis of confidence ellipse (meter) | 280 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 88 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 390.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 90 |
Number of associated phases, regardless of their use for origin computation | 34 |
Number of defining phases | 22 |
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) | 0.43707 |
Number of stations at which the event was observed | 21 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.3 |
Num. used stations | 23 |
Type of magnitude | ML |
Reference to an origin | 94655081 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-26 09:06:37 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FIR.HHZ. | 2021-08-26T08:55:09.24 | 3.0 | undecidable | manual | Pn | 0.37 | 0 | |||
IV.PP3.EHZ. | 2021-08-26T08:55:02.64 | 3.0 | undecidable | manual | S | -2.03 | 0 | |||
IV.VIVA.HHZ. | 2021-08-26T08:55:00.41 | 3.0 | positive | manual | P | -0.2 | 0 | |||
IV.EL6.EHZ. | 2021-08-26T08:55:00.19 | 3.0 | undecidable | manual | S | 0.29 | 0 | |||
IV.MOMA.HNN. | 2021-08-26T08:54:56.43 | 0.3 | undecidable | manual | S | 271 | 47.4192 | 50 | 0.44 | 66 |
IV.ASSB.HHZ. | 2021-08-26T08:54:56.16 | 0.3 | undecidable | manual | S | 304 | 48.5181 | 50 | -0.12 | 70 |
IV.ARVD.HHZ. | 2021-08-26T08:54:53.85 | 3.0 | positive | manual | P | -0.81 | 0 | |||
IV.FRON.EHZ. | 2021-08-26T08:54:53.59 | 3.0 | negative | manual | P | -2.27 | 0 | |||
IV.CSP1.EHZ. | 2021-08-26T08:54:52.07 | 0.3 | undecidable | manual | S | 7 | 32.9448 | 50 | -0.07 | 73 |
IV.GUMA.HHZ. | 2021-08-26T08:54:52.70 | 3.0 | undecidable | manual | S | 0 | ||||
IV.EL6.EHZ. | 2021-08-26T08:54:51.38 | 3.0 | undecidable | manual | P | 0.07 | 0 | |||
IV.CESI.HNZ. | 2021-08-26T08:54:51.38 | 0.3 | undecidable | manual | S | 319 | 30.6471 | 50 | -0.13 | 72 |
IT.MTCL.HGZ. | 2021-08-26T08:54:49.44 | 0.3 | undecidable | manual | S | 330 | 25.1526 | 111 | -0.46 | 68 |
IV.ASSB.HHZ. | 2021-08-26T08:54:49.54 | 0.3 | undecidable | manual | P | 304 | 48.5181 | 50 | -0.1 | 70 |
IV.LNSS.HHZ. | 2021-08-26T08:54:49.22 | 0.3 | undecidable | manual | S | 203 | 23.3544 | 112 | -0.12 | 73 |
IV.MOMA.HNN. | 2021-08-26T08:54:49.76 | 0.6 | undecidable | manual | P | 271 | 47.4192 | 50 | 0.29 | 45 |
IV.SMA1.EHZ. | 2021-08-26T08:54:49.30 | 0.3 | undecidable | manual | S | 141 | 23.754 | 112 | -0.14 | 73 |
IV.TERO.HHZ. | 2021-08-26T08:54:48.33 | 3.0 | undecidable | manual | P | -0.36 | 0 | |||
IV.FEMA.HNZ. | 2021-08-26T08:54:48.26 | 0.3 | undecidable | manual | S | 336 | 20.1687 | 116 | -0.04 | 75 |
IV.MF5.EHZ. | 2021-08-26T08:54:47.53 | 3.0 | undecidable | manual | P | 0.33 | 0 | |||
IV.CSP1.EHZ. | 2021-08-26T08:54:47.13 | 0.1 | undecidable | manual | P | 7 | 32.9448 | 50 | -0.12 | 96 |
IV.MMO1.EHZ. | 2021-08-26T08:54:47.58 | 0.3 | undecidable | manual | S | 51 | 18.1707 | 118 | -0.11 | 74 |
IV.GUMA.HHZ. | 2021-08-26T08:54:47.47 | 3.0 | undecidable | manual | P | 0.32 | 0 | |||
IV.MC2.EHZ. | 2021-08-26T08:54:46.53 | 0.3 | undecidable | manual | S | 13 | 13.0758 | 126 | 0.35 | 71 |
IV.CESI.HNZ. | 2021-08-26T08:54:46.79 | 0.3 | undecidable | manual | P | 319 | 30.6471 | 50 | -0.09 | 73 |
IV.LNSS.HHZ. | 2021-08-26T08:54:45.64 | 0.1 | undecidable | manual | P | 203 | 23.3544 | 112 | 0.01 | 100 |
IV.FEMA.HNZ. | 2021-08-26T08:54:45.40 | 0.3 | undecidable | manual | P | 336 | 20.1687 | 116 | 0.37 | 70 |
IV.SMA1.EHZ. | 2021-08-26T08:54:45.62 | 0.3 | undecidable | manual | P | 141 | 23.754 | 112 | -0.07 | 74 |
IV.MTRA.EHZ. | 2021-08-26T08:54:45.15 | 3.0 | positive | manual | P | -0.16 | 0 | |||
IT.MTCL.HGZ. | 2021-08-26T08:54:45.80 | 0.1 | undecidable | manual | P | 330 | 25.1526 | 111 | -0.15 | 97 |
IV.MMO1.EHZ. | 2021-08-26T08:54:44.72 | 0.1 | undecidable | manual | P | 51 | 18.1707 | 118 | 0.04 | 100 |
IV.NRCA.HNZ. | 2021-08-26T08:54:44.12 | 0.3 | undecidable | manual | S | 323 | 5.0949 | 152 | -0.22 | 74 |
IV.MC2.EHZ. | 2021-08-26T08:54:44.12 | 0.1 | positive | manual | P | 13 | 13.0758 | 126 | 0.31 | 95 |
IV.NRCA.HNZ. | 2021-08-26T08:54:42.91 | 0.1 | undecidable | manual | P | 323 | 5.0949 | 152 | 0.17 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HNE. | ML:1.9 | 0.0012594245 | 0.0896 | AML | other | m | 2021-08-26T08:54:44.47 |
IV.NRCA.HHE. | ML:1.9 | 0.0014385514999999999 | 0.0768 | AML | other | m | 2021-08-26T08:54:44.47 |
IV.NRCA.HHN. | ML:1.7 | 0.0009892681 | 0.1024 | AML | other | m | 2021-08-26T08:54:44.48 |
IV.NRCA.HNN. | ML:1.7 | 0.00097216965 | 0.1024 | AML | other | m | 2021-08-26T08:54:44.48 |
IV.MTRA.EHE. | ML:1.4 | 0.00018514055 | 0.2432 | AML | other | m | 2021-08-26T08:54:48.50 |
IV.MTRA.EHN. | ML:1.4 | 0.00019297884999999997 | 0.1792 | AML | other | m | 2021-08-26T08:54:48.78 |
IV.LNSS.HHN. | ML:1.7 | 0.0003021353 | 0.1984 | AML | other | m | 2021-08-26T08:54:49.81 |
IV.LNSS.HHE. | ML:1.7 | 0.00034164075 | 0.2176 | AML | other | m | 2021-08-26T08:54:49.65 |
IV.SMA1.EHN. | ML:1.1 | 0.000072528915 | 0.3008 | AML | other | m | 2021-08-26T08:54:51.56 |
IV.CSP1.EHE. | ML:1.5 | 0.0001361331 | 0.32 | AML | other | m | 2021-08-26T08:54:53.24 |
IV.SMA1.EHE. | ML:0.9 | 0.00005630977 | 0.1216 | AML | other | m | 2021-08-26T08:54:50.20 |
IV.CSP1.EHN. | ML:1.5 | 0.00013672628 | 0.224 | AML | other | m | 2021-08-26T08:54:53.43 |
IV.GUMA.HHE. | ML:1.5 | 0.0001465 | 0.18 | AML | other | m | 2021-08-26T08:54:53.48 |
IV.GUMA.HHN. | ML:1.5 | 0.00015097005000000002 | 0.2624 | AML | other | m | 2021-08-26T08:54:54.82 |
IV.MTRA.HNE. | ML:1.4 | 0.00019702155 | 0.2304 | AML | other | m | 2021-08-26T08:54:48.49 |
IV.MTRA.HNN. | ML:1.4 | 0.00018401319999999997 | 0.16 | AML | other | m | 2021-08-26T08:54:48.77 |
IV.LNSS.HNN. | ML:1.7 | 0.0003260052 | 0.2048 | AML | other | m | 2021-08-26T08:54:49.71 |
IV.MF5.EHE. | ML:1.2 | 0.00006717112 | 0.2624 | AML | other | m | 2021-08-26T08:54:53.47 |
IV.TERO.HHN. | ML:1.0 | 0.00003538607 | 0.064 | AML | other | m | 2021-08-26T08:54:55.18 |
IV.ASSB.HHE. | ML:1.0 | 0.000026575145000000002 | 0.16 | AML | other | m | 2021-08-26T08:54:57.54 |
IV.ASSB.HHN. | ML:1.0 | 0.000026832209999999998 | 0.1792 | AML | other | m | 2021-08-26T08:54:58.03 |
IV.EL6.EHE. | ML:1.1 | 0.000024968715 | 0.16 | AML | other | m | 2021-08-26T08:55:01.67 |
IV.EL6.EHN. | ML:1.2 | 0.000029440820000000002 | 0.1152 | AML | other | m | 2021-08-26T08:55:00.32 |