Earthquake with magnitude of Md 1.1 on date 27-03-2017 and time 19:34:54 (Italy) in region 8 km E Norcia (PG)

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

  • 27-03-2017 17:34:54 (UTC)
  • 27-03-2017 19:34:54 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7880, 13.1900 at 13 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
Accumoli RI 11 667 6802
Castelsantangelo sul Nera MC 12 281 7083
Montegallo AP 13 523 7606
Preci PG 16 724 8330
Cascia PG 16 3217 11547
Montemonaco AP 17 604 12151
Ussita MC 18 444 12595
Visso MC 18 1107 13702
Acquasanta Terme AP 18 2916 16618
Cittareale RI 19 482 17100
Amatrice RI 19 2657 19757

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km E of Foligno (57155 inhabitants)
44 Km W of Teramo (54892 inhabitants)
51 Km NE of Terni (111501 inhabitants)
51 Km NW of L'Aquila (69753 inhabitants)
74 Km E of Perugia (166134 inhabitants)
84 Km W of Montesilvano (53738 inhabitants)
91 Km W of Pescara (121014 inhabitants)
94 Km NW of Chieti (51815 inhabitants)
95 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km S of Ancona (100861 inhabitants)
97 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
Md 1.1 2017-03-27
17:34:54
42.7882 13.1903 13 2017-03-27
17:45:31
Sala Sismica INGV-Roma 43024441
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-03-27 17:34:54 ± 0.06
Latitude 42.7882 ± 0.0027
Longitude 13.1903 ± 0.0049
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 43024441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 334
Semi-minor axis of confidence ellipse (meter) 268
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 123
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
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 15
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.08
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.20505
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 7
Magnitude information

Md:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 4
Type of magnitude Md
Reference to an origin 43024441
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-03-27 17:45:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.T1220.EHZ. 2017-03-27T17:35:08.30 3.0 undecidable manual S 0.06 0
IV.T1217.EHZ. 2017-03-27T17:35:02.63 0.6 undecidable manual S 248 22.755 100 -0.01 97
IV.T1216.EHZ. 2017-03-27T17:35:01.29 0.6 undecidable manual S 309 17.9709 106 -0.12 96
IV.MMO1.EHZ. 2017-03-27T17:35:00.95 0.6 undecidable manual S 42 16.5723 109 -0.1 97
IV.T1212.EHZ. 2017-03-27T17:35:00.12 0.6 undecidable manual S 251 12.5763 121 0.05 99
IV.T1218.EHZ. 2017-03-27T17:35:00.42 0.6 undecidable manual S 205 14.4744 115 -0.1 97
IV.T1217.EHZ. 2017-03-27T17:34:59.10 0.6 negative manual P 248 22.755 100 0.08 97
IV.T1245.HHZ. 2017-03-27T17:34:59.19 0.6 undecidable manual S 359 7.5813 141 0.12 99
IV.T1214.EHZ. 2017-03-27T17:34:58.40 0.6 undecidable manual S 155 3.4965 161 -0.13 98
IV.T1216.EHZ. 2017-03-27T17:34:58.09 1.0 undecidable manual P 309 17.9709 106 -0.22 47
IV.MMO1.EHZ. 2017-03-27T17:34:58.13 0.6 undecidable manual P 42 16.5723 109 0.03 98
IV.T1212.EHZ. 2017-03-27T17:34:57.67 0.6 positive manual P 251 12.5763 121 0.14 97
IV.T1218.EHZ. 2017-03-27T17:34:57.85 1.0 negative manual P 205 14.4744 115 0.05 49
IV.T1245.HHZ. 2017-03-27T17:34:57.08 1.0 undecidable manual P 359 7.5813 141 0.12 49
IV.T1214.EHZ. 2017-03-27T17:34:56.72 0.6 undecidable manual P 155 3.4965 161 0.07 100
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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