Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 27-05-2019 and time 04:55:27 (Italy) in region 7 km SE Castelsantangelo sul Nera (MC)

A magnitude ML 1.1 earthquake occured in region: 7 km SE Castelsantangelo sul Nera (MC), on

  • 27-05-2019 02:55:27 (UTC)
  • 27-05-2019 04:55:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8440, 13.1990 at 8 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Castelsantangelo sul Nera MC 7 281 281
Norcia PG 10 4957 5238
Montegallo AP 11 523 5761
Arquata del Tronto AP 11 1178 6939
Montemonaco AP 12 604 7543
Ussita MC 12 444 7987
Visso MC 13 1107 9094
Preci PG 14 724 9818
Montefortino FM 16 1178 10996
Accumoli RI 17 667 11663
Bolognola MC 17 142 11805
Acquasanta Terme AP 19 2916 14721
Amandola FM 20 3629 18350

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km E of Foligno (57155 inhabitants)
46 Km W of Teramo (54892 inhabitants)
55 Km NE of Terni (111501 inhabitants)
57 Km N of L'Aquila (69753 inhabitants)
72 Km E of Perugia (166134 inhabitants)
86 Km W of Montesilvano (53738 inhabitants)
90 Km S of Ancona (100861 inhabitants)
93 Km W of Pescara (121014 inhabitants)
96 Km NW of Chieti (51815 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 2019-05-27
02:55:27		 42.8438 13.1993 8 2019-05-27
03:02:47		 Sala Sismica INGV-Roma 68940111
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-05-27 02:55:27 ± 0.05
Latitude 42.8438 ± 0.0027
Longitude 13.1993 ± 0.0037
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 68940111

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 313
Semi-minor axis of confidence ellipse (meter) 143
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 77
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 62
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.06295
Epicentral distance of station farthest from the epicenter (degree) 0.49013
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 68940111
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-05-27 03:02:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2019-05-27T02:55:45.94 0.3 undecidable manual S 352 54.4011 50 0.5 63
IV.TERO.HHZ. 2019-05-27T02:55:41.45 0.3 undecidable manual S 127 41.1255 50 -0.42 66
IV.RM33.EHZ. 2019-05-27T02:55:40.82 0.3 undecidable manual S 178 37.1295 50 -0.01 72
IV.CESI.HHZ. 2019-05-27T02:55:38.31 0.6 undecidable manual S 307 29.8479 105 -0.25 46
IV.GAVE.EHZ. 2019-05-27T02:55:38.58 0.3 undecidable manual S 236 30.0477 105 -0.02 73
IV.EL6.EHZ. 2019-05-27T02:55:38.05 0.3 undecidable manual P 352 54.4011 50 0.06 69
IV.LNSS.HHZ. 2019-05-27T02:55:38.63 0.6 undecidable manual S 206 29.748 105 0.13 47
IV.CSP1.EHZ. 2019-05-27T02:55:37.54 0.6 undecidable manual S 1 27.5502 107 -0.23 47
IV.SMA1.EHZ. 2019-05-27T02:55:37.01 0.6 undecidable manual S 155 26.1516 107 -0.3 46
IV.MF5.EHZ. 2019-05-27T02:55:37.70 0.3 undecidable manual S 53 26.5512 107 0.26 70
IV.FDMO.HHZ. 2019-05-27T02:55:36.03 0.3 undecidable manual S 337 23.2545 109 -0.33 69
IV.TERO.HHZ. 2019-05-27T02:55:36.04 0.3 undecidable manual P 127 41.1255 50 0.11 70
IV.MNTT.EHZ. 2019-05-27T02:55:36.24 0.3 undecidable manual P 53 40.2264 50 0.44 65
IV.RM33.EHZ. 2019-05-27T02:55:35.09 0.3 undecidable manual P 178 37.1295 50 -0.23 69
IV.LNSS.HHZ. 2019-05-27T02:55:34.02 0.3 undecidable manual P 206 29.748 105 0.04 73
IV.MTRA.EHZ. 2019-05-27T02:55:34.95 0.3 undecidable manual S 121 18.7701 114 0.04 74
IV.SMA1.EHZ. 2019-05-27T02:55:33.34 0.3 undecidable manual P 155 26.1516 107 0.04 73
IV.MF5.EHZ. 2019-05-27T02:55:33.49 0.3 undecidable manual P 53 26.5512 107 0.12 72
IV.CESI.HHZ. 2019-05-27T02:55:33.82 0.3 undecidable manual P 307 29.8479 105 -0.19 70
IV.GAVE.EHZ. 2019-05-27T02:55:33.99 0.3 undecidable manual P 236 30.0477 105 -0.05 72
IV.CSP1.EHZ. 2019-05-27T02:55:33.19 0.1 undecidable manual P 1 27.5502 107 -0.37 91
IV.FDMO.HHZ. 2019-05-27T02:55:32.51 0.1 undecidable manual P 337 23.2545 109 -0.23 94
IV.MMO1.EHZ. 2019-05-27T02:55:32.58 0.3 undecidable manual S 59 12.0768 124 -0.29 71
IV.MC2.EHZ. 2019-05-27T02:55:31.85 0.3 undecidable manual S 354 7.5813 137 0.17 73
IV.MTRA.EHZ. 2019-05-27T02:55:31.99 0.1 undecidable manual P 121 18.7701 114 0.08 98
IV.NRCA.HNZ. 2019-05-27T02:55:31.80 0.6 undecidable manual S 261 6.993 139 0.25 48
IV.MMO1.EHZ. 2019-05-27T02:55:30.71 0.1 undecidable manual P 59 12.0768 124 -0.02 100
IV.MC2.EHZ. 2019-05-27T02:55:30.29 0.3 undecidable manual P 354 7.5813 137 0.25 72
IV.NRCA.HNZ. 2019-05-27T02:55:30.35 0.1 undecidable manual P 261 6.993 139 0.38 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHE. ML:1.0 0.00009240000000000001 0.78 AML other m 2019-05-27T02:55:35.44
IV.FDMO.HHN. ML:1.0 0.0000698 0.58 AML other m 2019-05-27T02:55:36.28
IV.FDMO.HHE. ML:0.9 0.0000528 0.24 AML other m 2019-05-27T02:55:36.19
IV.MTRA.EHN. ML:1.0 0.000092 0.8 AML other m 2019-05-27T02:55:37.68
IV.CESI.HHE. ML:1.1 0.0000621 0.64 AML other m 2019-05-27T02:55:38.03
IV.GAVE.EHN. ML:1.2 0.00008125 1.44 AML other m 2019-05-27T02:55:39.89
IV.CESI.HHN. ML:1.3 0.000106 0.94 AML other m 2019-05-27T02:55:39.66
IV.LNSS.HHE. ML:1.4 0.00012114999999999999 0.16 AML other m 2019-05-27T02:55:39.27
IV.LNSS.HHN. ML:1.2 0.0000843 0.82 AML other m 2019-05-27T02:55:39.58
IV.GAVE.EHE. ML:1.2 0.000087 0.48 AML other m 2019-05-27T02:55:40.19
IV.CSP1.EHE. ML:1.0 0.000051949635000000004 0.32 AML other m 2019-05-27T02:55:39.13
IV.CSP1.EHN. ML:0.8 0.000034267516 0.2 AML other m 2019-05-27T02:55:40.55
IV.GAVE.HNE. ML:1.2 0.000072976715 0.8896 AML other m 2019-05-27T02:55:38.58
IV.RM33.EHE. ML:0.9 0.000028565735 0.16 AML other m 2019-05-27T02:55:42.45
IV.TERO.HHE. ML:1.0 0.000032611635 0.1408 AML other m 2019-05-27T02:55:41.65
IV.TERO.HHN. ML:0.8 0.000022341529999999998 0.0784 AML other m 2019-05-27T02:55:42.42
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