Earthquake with magnitude of ML 0.9 on date 25-08-2019 and time 21:32:58 (Italy) in region 7 km E Norcia (PG)

A magnitude ML 0.9 earthquake occured in region: 7 km E Norcia (PG), on

  • 25-08-2019 19:32:58 (UTC)
  • 25-08-2019 21:32:58 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7720, 13.1700 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 11 1178 6135
Accumoli RI 11 667 6802
Castelsantangelo sul Nera MC 14 281 7083
Cascia PG 14 3217 10300
Montegallo AP 16 523 10823
Preci PG 16 724 11547
Cittareale RI 17 482 12029
Amatrice RI 19 2657 14686
Visso MC 19 1107 15793
Montemonaco AP 19 604 16397
Ussita MC 19 444 16841
Acquasanta Terme AP 20 2916 19757

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km E of Foligno (57155 inhabitants)
46 Km W of Teramo (54892 inhabitants)
49 Km E of Terni (111501 inhabitants)
50 Km NW of L'Aquila (69753 inhabitants)
74 Km SE of Perugia (166134 inhabitants)
85 Km W of Montesilvano (53738 inhabitants)
92 Km W of Pescara (121014 inhabitants)
93 Km NE of Guidonia Montecelio (88673 inhabitants)
94 Km NW of Chieti (51815 inhabitants)
95 Km NE of Tivoli (56533 inhabitants)
96 Km E of Viterbo (67173 inhabitants)
98 Km S of Ancona (100861 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 0.9 2019-08-25
19:32:58
42.7718 13.1695 11 2019-11-13
14:31:08
Bollettino Sismico Italiano INGV 73575381
Reviewed
Rev100
ML 0.8 2019-08-25
19:32:58
42.7727 13.1652 11 2019-08-25
19:39:29
Sala Sismica INGV-Roma 71806451
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-25 19:32:58 ± 0.06
Latitude 42.7718 ± 0.0036
Longitude 13.1695 ± 0.0061
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 73575381

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 419
Semi-minor axis of confidence ellipse (meter) 291
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 103
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 78
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.07374
Epicentral distance of station farthest from the epicenter (degree) 0.35253
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 73575381
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-11-01 17:45:33

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 71806451
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-08-25 19:39:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2019-08-25T19:33:11.24 0.6 undecidable manual S 115 39.1275 50 -0.22 47
IV.CSP1.EHZ. 2019-08-25T19:33:10.40 0.3 undecidable manual S 5 35.6421 50 -0.14 72
IV.MF5.EHZ. 2019-08-25T19:33:10.96 0.3 undecidable manual S 44 33.6441 50 0.95 55
IV.RM33.EHZ. 2019-08-25T19:33:08.88 0.3 undecidable manual S 173 29.3484 50 0.01 75
IV.FDMO.HHZ. 2019-08-25T19:33:08.92 0.3 undecidable manual S 347 30.1476 50 -0.15 73
IV.GAVE.EHZ. 2019-08-25T19:33:07.34 0.3 undecidable manual S 249 24.0537 50 -0.12 74
IV.SMA1.EHZ. 2019-08-25T19:33:06.08 0.3 undecidable manual S 139 20.6682 117 -0.41 70
IV.LNSS.HHZ. 2019-08-25T19:33:06.68 0.3 undecidable manual S 209 21.4674 116 -0.05 75
IV.T1299.HNZ. 2019-08-25T19:33:06.01 0.6 undecidable manual S 149 17.7711 120 0.4 47
IV.TERO.HHZ. 2019-08-25T19:33:05.83 0.3 undecidable manual P 115 39.1275 50 -0.13 72
IV.MMO1.HNZ. 2019-08-25T19:33:05.77 0.3 undecidable manual S 42 19.0698 119 -0.22 73
IV.MTRA.EHZ. 2019-08-25T19:33:05.60 0.6 undecidable manual S 95 18.5703 119 -0.23 48
IV.CSP1.EHZ. 2019-08-25T19:33:05.27 0.1 undecidable manual P 5 35.6421 50 -0.15 96
IV.MF5.EHZ. 2019-08-25T19:33:05.48 0.3 undecidable manual P 44 33.6441 50 0.36 69
IV.FDMO.HHZ. 2019-08-25T19:33:04.37 0.1 undecidable manual P 347 30.1476 50 -0.21 95
IV.RM33.EHZ. 2019-08-25T19:33:04.46 0.3 undecidable manual P 173 29.3484 50 0 75
IV.NRCA.HHZ. 2019-08-25T19:33:03.16 0.6 undecidable manual S 327 8.1807 142 0.1 51
IV.SMA1.EHZ. 2019-08-25T19:33:03.09 0.6 undecidable manual P 139 20.6682 117 0.01 51
IV.LNSS.HHZ. 2019-08-25T19:33:03.27 0.3 undecidable manual P 209 21.4674 116 0.05 75
IV.GAVE.EHZ. 2019-08-25T19:33:03.68 0.1 undecidable manual P 249 24.0537 50 0.03 100
IV.T1299.HNZ. 2019-08-25T19:33:02.96 0.1 undecidable manual P 149 17.7711 120 0.38 94
IV.MMO1.HNZ. 2019-08-25T19:33:02.66 0.1 undecidable manual P 42 19.0698 119 -0.14 99
IV.MTRA.EHZ. 2019-08-25T19:33:02.61 0.3 undecidable manual P 95 18.5703 119 -0.1 75
IV.NRCA.HHZ. 2019-08-25T19:33:01.36 0.1 negative manual P 327 8.1807 142 0.26 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.5 0.000448 0.38 AML other m 2019-08-25T19:33:03.23
IV.NRCA.HHE. ML:1.6 0.0005074999999999999 0.16 AML other m 2019-08-25T19:33:03.27
IV.MTRA.EHE. ML:0.8 0.00005005 1.24 AML other m 2019-08-25T19:33:06.24
IV.MTRA.EHN. ML:0.6 0.000033799999999999995 0.64 AML other m 2019-08-25T19:33:06.59
IV.LNSS.HHE. ML:1.0 0.0000686 1.38 AML other m 2019-08-25T19:33:06.29
IV.LNSS.HHN. ML:1.2 0.00009635000000000001 0.12 AML other m 2019-08-25T19:33:07.80
IV.GAVE.EHE. ML:1.2 0.00008535000000000001 0.46 AML other m 2019-08-25T19:33:07.91
IV.GAVE.EHN. ML:1.3 0.00011999999999999999 0.14 AML other m 2019-08-25T19:33:07.92
IV.SMA1.EHE. ML:0.6 0.000028049999999999997 0.64 AML other m 2019-08-25T19:33:08.48
IV.RM33.EHN. ML:0.6 0.0000209 0.46 AML other m 2019-08-25T19:33:09.34
IV.RM33.EHE. ML:0.6 0.000021000000000000002 0.88 AML other m 2019-08-25T19:33:10.03
IV.SMA1.EHN. ML:0.6 0.00002525 0.4 AML other m 2019-08-25T19:33:10.40
IV.TERO.HHN. ML:0.8 0.00002235 0.66 AML other m 2019-08-25T19:33:12.58
IV.TERO.HHE. ML:0.8 0.00001965 0.28 AML other m 2019-08-25T19:33:12.49
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