Earthquake with magnitude of ML 1.6 on date 26-08-2016 and time 14:11:53 (Italy) in region 7 km E Norcia (PG)

A magnitude ML 1.6 earthquake occured in region: 7 km E Norcia (PG), on

  • 26-08-2016 12:11:53 (UTC)
  • 26-08-2016 14:11:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7930, 13.1820 at 10 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Norcia PG 7 4957 4957
Arquata del Tronto AP 10 1178 6135
Castelsantangelo sul Nera MC 12 281 6416
Accumoli RI 12 667 7083
Montegallo AP 14 523 7606
Preci PG 15 724 8330
Cascia PG 16 3217 11547
Montemonaco AP 17 604 12151
Visso MC 17 1107 13258
Ussita MC 17 444 13702
Acquasanta Terme AP 19 2916 16618
Cittareale RI 19 482 17100
Amatrice RI 20 2657 19757

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km E of Foligno (57155 inhabitants)
45 Km W of Teramo (54892 inhabitants)
51 Km NE of Terni (111501 inhabitants)
52 Km NW of L'Aquila (69753 inhabitants)
73 Km E of Perugia (166134 inhabitants)
85 Km W of Montesilvano (53738 inhabitants)
92 Km W of Pescara (121014 inhabitants)
95 Km NW of Chieti (51815 inhabitants)
96 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km S of Ancona (100861 inhabitants)
97 Km NE of Tivoli (56533 inhabitants)
97 Km E of Viterbo (67173 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000
ML 1.6 2016-08-26
12:11:53
42.7927 13.182 10 2019-02-12
13:57:26
Bollettino Sismico Italiano INGV 37405731
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-08-26 12:11:53 ± 0.06
Latitude 42.7927 ± 0.0036
Longitude 13.1820 ± 0.0086
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 37405731

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 649
Semi-minor axis of confidence ellipse (meter) 308
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 266
Circular confidence region, given by single value of horizontal uncertainty (meter) 650.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 113
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) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.71316
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 7
Type of magnitude ML
Reference to an origin 37405731
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2016-12-22 12:48:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MA9.HHZ. 2016-08-26T12:12:15.54 3.0 undecidable manual P 1.33 0
IV.T0110.HHZ. 2016-08-26T12:12:06.57 0.6 undecidable manual P 142 79.1652 50 -0.27 42
IV.SRES.HHZ. 2016-08-26T12:12:06.80 3.0 negative manual P -1.39 0
IV.GIGS.HHZ. 2016-08-26T12:12:02.47 0.3 undecidable manual P 140 49.3173 50 0.22 68
IV.LNSS.HHZ. 2016-08-26T12:12:02.20 0.6 undecidable manual S 209 24.0537 113 0.1 48
IV.FEMA.HNE. 2016-08-26T12:12:00.96 0.6 undecidable manual S 330 21.6672 115 -0.39 46
IV.CSP1.EHZ. 2016-08-26T12:11:59.67 0.6 negative manual P 3 33.2445 50 -0.09 48
IV.CAMP.HHZ. 2016-08-26T12:11:59.62 0.6 negative manual P 147 33.9438 50 -0.25 46
IV.MC2.EHZ. 2016-08-26T12:11:59.15 0.3 undecidable manual S 2 13.1757 127 0.33 70
IV.CESI.HHZ. 2016-08-26T12:11:59.81 0.1 negative manual P 316 32.6451 50 0.14 94
IV.RM33.EHZ. 2016-08-26T12:11:59.53 1.0 positive manual P 175 31.5462 50 0.03 24
IV.FDMO.HHZ. 2016-08-26T12:11:58.82 0.6 negative manual P 344 28.1496 50 -0.15 47
IV.T1243.HHZ. 2016-08-26T12:11:58.11 0.3 undecidable manual P 116 24.1536 112 -0.21 71
IV.LNSS.HHZ. 2016-08-26T12:11:58.41 0.1 negative manual P 209 24.0537 113 0.12 96
IV.NRCA.HHZ. 2016-08-26T12:11:57.03 0.3 undecidable manual S 310 7.1928 144 -0.3 72
IV.FEMA.HNE. 2016-08-26T12:11:57.84 0.3 undecidable manual P 330 21.6672 115 -0.01 74
IV.MC2.EHZ. 2016-08-26T12:11:56.53 0.1 positive manual P 2 13.1757 127 0.14 98
IV.NRCA.HHZ. 2016-08-26T12:11:55.61 0.1 positive manual P 310 7.1928 144 0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAMP.HHE. ML:1.5 0.00013900000000000002 0.76 AML other m 2016-08-26T12:12:02.35
IV.CAMP.HHN. ML:1.4 0.0000974 1.16 AML other m 2016-08-26T12:12:03.26
IV.CESI.HHE. ML:1.0 0.00004155 0.92 AML other m 2016-08-26T12:12:05.00
IV.CESI.HHN. ML:1.1 0.0000585 1.7 AML other m 2016-08-26T12:12:05.01
IV.LNSS.HHE. ML:1.3 0.0001915 0.64 AML other m 2016-08-26T12:12:05.32
IV.LNSS.HHN. ML:1.3 0.0001605 1.64 AML other m 2016-08-26T12:12:06.13
IV.NRCA.HHE. ML:2.3 0.00309 0.1 AML other m 2016-08-26T12:11:57.27
IV.NRCA.HNE. ML:2.3 0.0027694399999999997 0.0896 AML other m 2016-08-26T12:11:57.27
IV.NRCA.HNN. ML:2.1 0.001943411 0.1344 AML other m 2016-08-26T12:11:57.26
IV.RM33.EHE. ML:1.8 0.000284 1.1 AML other m 2016-08-26T12:12:03.21
IV.RM33.EHN. ML:1.6 0.000199 0.14 AML other m 2016-08-26T12:12:03.07
IV.T1243.HHN. ML:1.7 0.000324 0.28 AML other m 2016-08-26T12:12:01.99
IV.T1243.HHE. ML:1.6 0.0002985 0.08 AML other m 2016-08-26T12:12:04.65
IV.TERO.HHE. ML:1.6 0.00014749999999999998 1.36 AML other m 2016-08-26T12:12:06.85
IV.TERO.HHN. ML:1.6 0.0001545 1.04 AML other m 2016-08-26T12:12:06.14
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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