Earthquake with magnitude of ML 1.1 on date 26-05-2020 and time 04:10:08 (UTC) in region 8 km E Norcia (PG)

A magnitude ML 1.1 earthquake occured in region: 8 km E Norcia (PG), on

  • 26-05-2020 04:10:08 (UTC)
  • 26-05-2020 06:10:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7990, 13.1900 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.

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 8 4957 4957
Arquata del Tronto AP 9 1178 6135
Castelsantangelo sul Nera MC 11 281 6416
Accumoli RI 12 667 7083
Montegallo AP 13 523 7606
Preci PG 15 724 8330
Montemonaco AP 16 604 8934
Ussita MC 17 444 9378
Visso MC 17 1107 10485
Cascia PG 17 3217 13702
Acquasanta Terme AP 18 2916 16618

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km E of Foligno (57155 inhabitants)
45 Km W of Teramo (54892 inhabitants)
52 Km NE of Terni (111501 inhabitants)
53 Km NW of L'Aquila (69753 inhabitants)
74 Km E of Perugia (166134 inhabitants)
85 Km W of Montesilvano (53738 inhabitants)
92 Km W of Pescara (121014 inhabitants)
94 Km NW of Chieti (51815 inhabitants)
95 Km S of Ancona (100861 inhabitants)
97 Km NE of Guidonia Montecelio (88673 inhabitants)
98 Km NE of Tivoli (56533 inhabitants)
98 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
Reviewed
Rev100
ML 1.1 2020-05-26
04:10:08
42.799 13.1903 10 2020-05-26
04:16:05
Sala Sismica INGV-Roma 79570961
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-26 04:10:08 ± 0.13
Latitude 42.7990 ± 0.0045
Longitude 13.1903 ± 0.0049
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 79570961

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 567
Semi-minor axis of confidence ellipse (meter) 128
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 201
Circular confidence region, given by single value of horizontal uncertainty (meter) 570.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 196
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.11
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.24911
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 5
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.4
Num. used stations 4
Type of magnitude ML
Reference to an origin 79570961
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-26 04:16:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MURB.HHZ. 2020-05-26T04:10:31.18 3.0 undecidable manual S -0.23 0
IV.MMO1.EHZ. 2020-05-26T04:10:15.12 0.6 undecidable manual S 45 15.6732 122 -0.03 50
IV.MTRA.EHZ. 2020-05-26T04:10:15.51 0.6 undecidable manual S 106 17.4714 119 -0.15 49
IV.FDMO.HHZ. 2020-05-26T04:10:14.29 1.0 undecidable manual P 342 27.6501 50 -0.26 23
IV.MC2.EHZ. 2020-05-26T04:10:14.26 0.6 undecidable manual S 359 12.4764 128 0.03 50
IV.MMO1.EHZ. 2020-05-26T04:10:12.48 0.3 undecidable manual P 45 15.6732 122 0.05 75
IV.NRCA.HHZ. 2020-05-26T04:10:12.77 0.6 undecidable manual S 302 7.2927 143 -0.19 49
IV.MTRA.EHZ. 2020-05-26T04:10:12.85 0.6 undecidable manual P 106 17.4714 119 0.12 49
IV.NRCA.HHZ. 2020-05-26T04:10:11.27 0.1 negative manual P 302 7.2927 143 0.1 100
IV.MC2.EHZ. 2020-05-26T04:10:11.98 1.0 undecidable manual P 359 12.4764 128 0.08 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.5 0.00045499999999999995 0.2 AML other m 2020-05-26T04:10:12.94
IV.NRCA.HHN. ML:1.4 0.00035999999999999997 0.12 AML other m 2020-05-26T04:10:13.69
IV.MTRA.EHE. ML:0.8 0.00005835 0.76 AML other m 2020-05-26T04:10:16.75
IV.MTRA.EHN. ML:0.8 0.000050350000000000004 1.22 AML other m 2020-05-26T04:10:17.74
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