Earthquake with magnitude of ML 1.8 on date 26-02-2020 and time 18:52:00 (Italy) in region 3 km NE Norcia (PG)

A magnitude ML 1.8 earthquake occured in region: 3 km NE Norcia (PG), on

  • 26-02-2020 17:52:00 (UTC)
  • 26-02-2020 18:52:00 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.81, 13.12 at 9 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 3 4957 4957
Preci PG 10 724 5681
Castelsantangelo sul Nera MC 10 281 5962
Cascia PG 13 3217 9179
Visso MC 14 1107 10286
Ussita MC 15 444 10730
Arquata del Tronto AP 16 1178 11908
Cerreto di Spoleto PG 16 1075 12983
Accumoli RI 17 667 13650
Sellano PG 18 1079 14729
Montegallo AP 18 523 15252
Poggiodomo PG 18 117 15369

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km E of Foligno (57155 inhabitants)
47 Km NE of Terni (111501 inhabitants)
51 Km W of Teramo (54892 inhabitants)
56 Km NW of L'Aquila (69753 inhabitants)
68 Km E of Perugia (166134 inhabitants)
91 Km W of Montesilvano (53738 inhabitants)
93 Km E of Viterbo (67173 inhabitants)
96 Km SW of Ancona (100861 inhabitants)
96 Km NE of Guidonia Montecelio (88673 inhabitants)
98 Km N of Tivoli (56533 inhabitants)
98 Km W of Pescara (121014 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 1.8 2020-02-26
17:52:00
42.81 13.11 9 2020-07-18
21:08:25
Bollettino Sismico Italiano INGV 77186501
Reviewed
Rev100
ML 1.8 2020-02-26
17:52:00
42.81 13.12 9 2020-02-26
17:59:47
Sala Sismica INGV-Roma 76844781
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-26 17:52:00 ± 0.05
Latitude 42.81 ± 0.00
Longitude 13.11 ± 0.00
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77186501

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 356
Semi-minor axis of confidence ellipse (meter) 140
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 278
Circular confidence region, given by single value of horizontal uncertainty (meter) 360
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 58
Number of associated phases, regardless of their use for origin computation 45
Number of defining phases 45
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.02248
Epicentral distance of station farthest from the epicenter (degree) 0.54319
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 36
Type of magnitude ML
Reference to an origin 77186501
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-11 09:23:12

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 24
Type of magnitude ML
Reference to an origin 76844781
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-26 17:59:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.EL6.EHZ. 2020-02-26T17:52:19.11 0.6 undecidable manual S 359 0.518 50 0.14 46
IV.FIAM.HHZ. 2020-02-26T17:52:19.64 0.6 undecidable manual S 180 0.5432 50 -0.08 47
IV.MNTT.EHZ. 2020-02-26T17:52:18.05 0.6 undecidable manual S 54 0.4317 50 1.62 25
IV.MOMA.HHZ. 2020-02-26T17:52:16.15 0.6 undecidable manual S 269 0.3993 50 0.69 41
IV.CESX.HHZ. 2020-02-26T17:52:16.71 0.6 undecidable manual S 243 0.4371 50 0.12 47
IV.TERO.HHZ. 2020-02-26T17:52:15.18 0.6 undecidable manual S 118 0.4056 50 -0.47 44
IV.SAP2.EHZ. 2020-02-26T17:52:14.60 0.3 undecidable manual S 36 0.3534 50 0.51 66
IV.RM33.EHZ. 2020-02-26T17:52:13.08 0.6 undecidable manual S 166 0.3112 50 0.23 47
IV.GUMA.HHZ. 2020-02-26T17:52:12.42 0.6 undecidable manual S 33 0.2986 50 -0.06 49
IV.MF5.EHZ. 2020-02-26T17:52:12.37 0.6 undecidable manual S 55 0.3085 50 -0.39 46
IV.FIAM.HHZ. 2020-02-26T17:52:11.52 0.6 undecidable manual P 180 0.5432 50 -0.15 46
IV.EL6.EHZ. 2020-02-26T17:52:11.09 0.6 undecidable manual P 359 0.518 50 -0.15 46
IV.CSP1.EHZ. 2020-02-26T17:52:11.65 0.3 undecidable manual S 13 0.2878 50 -0.52 67
IV.MNTT.EHZ. 2020-02-26T17:52:10.29 0.1 undecidable manual P 54 0.4317 50 0.52 87
IV.SMA1.EHZ. 2020-02-26T17:52:10.15 0.6 undecidable manual S 138 0.2428 108 -0.37 47
IV.CESI.HHZ. 2020-02-26T17:52:10.60 0.3 undecidable manual S 322 0.2473 108 -0.07 74
IV.MOMA.HHZ. 2020-02-26T17:52:09.11 0.3 undecidable manual P 269 0.3993 50 -0.1 72
IV.CESX.HHZ. 2020-02-26T17:52:09.69 0.1 undecidable manual P 243 0.4371 50 -0.17 94
IV.T1299.HNZ. 2020-02-26T17:52:09.72 0.6 undecidable manual S 145 0.2158 110 0.19 49
IV.GAVE.EHZ. 2020-02-26T17:52:09.07 0.3 undecidable manual S 234 0.2005 112 0.07 75
IV.LNSS.HHZ. 2020-02-26T17:52:09.49 0.6 undecidable manual S 195 0.2149 110 -0.03 50
IV.FDMO.HHZ. 2020-02-26T17:52:09.49 0.3 undecidable manual S 355 0.2257 109 -0.41 70
IT.MTCL.HGZ. 2020-02-26T17:52:08.77 0.6 undecidable manual S 335 0.2014 112 -0.23 48
IV.ARRO.EHZ. 2020-02-26T17:52:08.02 0.6 undecidable manual P 228 0.3453 50 -0.28 47
IV.TERO.HHZ. 2020-02-26T17:52:08.76 0.3 undecidable manual P 118 0.4056 50 -0.56 64
IV.SAP2.EHZ. 2020-02-26T17:52:08.56 0.3 undecidable manual P 36 0.3534 50 0.14 72
IV.RM33.EHZ. 2020-02-26T17:52:08.18 0.3 undecidable manual P 166 0.3112 50 0.48 67
IV.CSP1.EHZ. 2020-02-26T17:52:07.02 0.1 undecidable manual P 13 0.2878 50 -0.29 94
IV.GUMA.HHZ. 2020-02-26T17:52:07.47 0.1 undecidable manual P 33 0.2986 50 -0.02 99
IV.MMO1.EHZ. 2020-02-26T17:52:07.92 0.6 undecidable manual S 60 0.179 114 -0.29 48
IV.MF5.EHZ. 2020-02-26T17:52:07.64 0.1 undecidable manual P 55 0.3085 50 -0.01 99
IV.FEMA.HNZ. 2020-02-26T17:52:07.41 0.6 undecidable manual S 343 0.1583 117 -0.08 50
IV.MC2.EHZ. 2020-02-26T17:52:06.45 0.3 undecidable manual S 29 0.1142 125 0.42 71
IV.SMA1.EHZ. 2020-02-26T17:52:06.10 0.1 positive manual P 138 0.2428 108 -0.25 96
IV.CESI.HHZ. 2020-02-26T17:52:06.32 0.1 positive manual P 322 0.2473 108 -0.13 98
IV.FEMA.HNZ. 2020-02-26T17:52:05.01 0.6 undecidable manual P 343 0.1583 117 0.4 47
IV.FDMO.HHZ. 2020-02-26T17:52:05.86 0.1 negative manual P 355 0.2257 109 -0.14 98
IT.MTCL.HGZ. 2020-02-26T17:52:05.41 0.3 undecidable manual P 335 0.2014 112 -0.07 75
IV.T1299.HNZ. 2020-02-26T17:52:05.86 0.1 positive manual P 145 0.2158 110 0.07 100
IV.GAVE.EHZ. 2020-02-26T17:52:05.57 0.1 positive manual P 234 0.2005 112 0.09 100
IV.LNSS.HHZ. 2020-02-26T17:52:05.72 0.3 undecidable manual P 195 0.2149 110 -0.06 75
IV.MC2.EHZ. 2020-02-26T17:52:04.06 0.1 negative manual P 29 0.1142 125 0.29 97
IV.MMO1.EHZ. 2020-02-26T17:52:04.92 0.1 undecidable manual P 60 0.179 114 -0.1 100
IV.NRCA.HHZ. 2020-02-26T17:52:03.92 0.3 undecidable manual S 359 0.0225 164 0.07 78
IV.NRCA.HHZ. 2020-02-26T17:52:02.78 0.1 undecidable manual P 359 0.0225 164 0.27 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARVD.HHN. ML:0 8.605E-5 0.44 AML other m 2020-02-26T17:52:37.05
IV.ARVD.HHE. ML:0 7.87E-5 0.42 AML other m 2020-02-26T17:52:37.86
IV.NRCA.HNE. ML:0 0.0092084385 0.1664 AML other m 2020-02-26T17:52:04.07
IV.NRCA.HNN. ML:0 0.002805889 0.128 AML other m 2020-02-26T17:52:04.35
IV.NRCA.HHN. ML:0 0.003155511 0.1408 AML other m 2020-02-26T17:52:04.34
IV.NRCA.HHE. ML:0 0.009503918 0.1664 AML other m 2020-02-26T17:52:04.07
IV.GAVE.HNE. ML:2.2 0.0011630775 0.1664 AML other m 2020-02-26T17:52:09.96
IV.GAVE.EHN. ML:2 0.00074709515 0.1408 AML other m 2020-02-26T17:52:10.33
IV.GAVE.EHE. ML:2.2 0.001187348 0.1664 AML other m 2020-02-26T17:52:09.97
IV.GAVE.HNN. ML:1.5 0.00020670271 0.256 AML other m 2020-02-26T17:52:09.53
IV.LNSS.HNN. ML:2.1 0.0007771132 0.1664 AML other m 2020-02-26T17:52:09.97
IV.LNSS.HHE. ML:2.1 0.0007703684 0.128 AML other m 2020-02-26T17:52:10.44
IV.LNSS.HNE. ML:2 0.000726297 0.1408 AML other m 2020-02-26T17:52:10.44
IV.LNSS.HHN. ML:2.1 0.0008410753 0.1792 AML other m 2020-02-26T17:52:09.96
IV.FDMO.HHE. ML:1.7 0.0002911124 0.2304 AML other m 2020-02-26T17:52:11.40
IV.FDMO.HHN. ML:1.8 0.00040600365 0.1792 AML other m 2020-02-26T17:52:10.34
IV.SMA1.EHN. ML:1.8 0.000357 0.28 AML other m 2020-02-26T17:52:12.16
IV.SMA1.EHE. ML:1.7 0.0002821333 0.1792 AML other m 2020-02-26T17:52:11.71
IV.CESI.HNE. ML:1.8 0.0003216812 0.2176 AML other m 2020-02-26T17:52:12.77
IV.CESI.HNN. ML:2 0.00050736815 0.1024 AML other m 2020-02-26T17:52:10.88
IV.CESI.HHN. ML:2 0.00056685735 0.256 AML other m 2020-02-26T17:52:10.88
IV.CESI.HHE. ML:1.9 0.0004018972 0.2304 AML other m 2020-02-26T17:52:10.97
IV.CSP1.EHN. ML:1.8 0.0003073455 0.2304 AML other m 2020-02-26T17:52:12.29
IV.CSP1.EHE. ML:1.6 0.00020744665 0.2048 AML other m 2020-02-26T17:52:12.33
IV.GUMA.HHE. ML:2.1 0.00059111165 0.256 AML other m 2020-02-26T17:52:13.37
IV.GUMA.HHN. ML:2.2 0.00077900965 0.4352 AML other m 2020-02-26T17:52:13.77
IV.MF5.EHE. ML:1.8 0.00027536072 0.2432 AML other m 2020-02-26T17:52:13.59
IV.MF5.EHN. ML:1.7 0.00021066491 0.448 AML other m 2020-02-26T17:52:16.36
IV.ARRO.EHE. ML:1.5 0.000122298285 0.192 AML other m 2020-02-26T17:52:16.40
IV.ARRO.EHN. ML:1.5 0.0001253904 0.2048 AML other m 2020-02-26T17:52:16.67
IV.RM33.EHN. ML:1.4 0.00010466351 0.1408 AML other m 2020-02-26T17:52:16.74
IV.RM33.EHE. ML:1.5 0.000142971205 0.32 AML other m 2020-02-26T17:52:15.44
IV.TERO.HHE. ML:1.5 9.6893215E-5 0.128 AML other m 2020-02-26T17:52:15.77
IV.TERO.HHN. ML:1.6 0.000124075015 0.1408 AML other m 2020-02-26T17:52:15.99
IV.MOMA.HNE. ML:2 0.0002851094 0.1792 AML other m 2020-02-26T17:52:17.08
IV.MOMA.HHE. ML:1.9 0.0002642248 0.1792 AML other m 2020-02-26T17:52:17.07
IV.CESX.HHN. ML:1.6 0.000116587555 0.1536 AML other m 2020-02-26T17:52:18.45
IV.CESX.HHE. ML:1.6 0.00011405374 0.64 AML other m 2020-02-26T17:52:18.82
IV.MNTT.EHN. ML:2.3 0.00053989185 0.3072 AML other m 2020-02-26T17:52:18.76
IV.MNTT.EHE. ML:2.2 0.0004105133 0.2688 AML other m 2020-02-26T17:52:21.38
IV.FIAM.HHN. ML:1.1 2.48853385E-5 0.3968 AML other m 2020-02-26T17:52:21.15
IV.FIAM.HNN. ML:1.9 0.0001551683 0.6912 AML other m 2020-02-26T17:52:18.21
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download