Earthquake with magnitude of ML 1.4 on date 27-05-2020 and time 08:56:32 (Italy) in region 6 km E Massa Martana (PG)

A magnitude ML 1.4 earthquake occured in region: 6 km E Massa Martana (PG), on

  • 27-05-2020 06:56:32 (UTC)
  • 27-05-2020 08:56:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7720, 12.6020 at 6 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
Massa Martana PG 6 3770 3770
Giano dell'Umbria PG 7 3846 7616
Castel Ritaldi PG 8 3278 10894
Acquasparta TR 10 4778 15672
Spoleto PG 12 38218 53890
Montefalco PG 14 5679 59569
Campello sul Clitunno PG 15 2442 62011
Gualdo Cattaneo PG 16 6155 68166
Todi PG 16 16851 85017
Montecastrilli TR 16 5022 90039
Trevi PG 17 8469 98508
San Gemini TR 18 5018 103526
Bevagna PG 18 5081 108607
Avigliano Umbro TR 19 2558 111165
Collazzone PG 19 3473 114638
Sant'Anatolia di Narco PG 20 564 115202
Scheggino PG 20 461 115663

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km SW of Foligno (57155 inhabitants)
24 Km N of Terni (111501 inhabitants)
41 Km SE of Perugia (166134 inhabitants)
57 Km NE of Viterbo (67173 inhabitants)
80 Km NW of L'Aquila (69753 inhabitants)
86 Km N of Guidonia Montecelio (88673 inhabitants)
91 Km W of Teramo (54892 inhabitants)
91 Km N of Tivoli (56533 inhabitants)
97 Km SE of Arezzo (99543 inhabitants)
98 Km N of Roma (2864731 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 1.4 2020-05-27
06:56:32
42.7717 12.6017 7 2020-05-27
07:00:16
Sala Sismica INGV-Roma 79608291
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-27 06:56:32 ± 0.11
Latitude 42.7717 ± 0.0045
Longitude 12.6017 ± 0.0086
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 79608291

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 605
Semi-minor axis of confidence ellipse (meter) 461
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 271
Circular confidence region, given by single value of horizontal uncertainty (meter) 610.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 108
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.03957
Epicentral distance of station farthest from the epicenter (degree) 0.52161
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 79608291
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-27 07:00:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RM33.EHZ. 2020-05-27T06:56:51.49 0.1 undecidable manual S 120 57.8976 50 0.12 90
IV.MGAB.HHZ. 2020-05-27T06:56:47.60 0.1 undecidable manual S 292 42.7239 50 0.26 90
IV.NRCA.HHZ. 2020-05-27T06:56:46.78 0.1 undecidable manual S 80 42.3243 50 -0.43 87
IV.CESI.HHZ. 2020-05-27T06:56:45.00 0.1 undecidable manual S 43 35.742 100 -0.04 95
IV.ASSB.HHZ. 2020-05-27T06:56:43.73 0.1 undecidable manual S 9 30.4473 102 0.5 87
IV.RM33.EHZ. 2020-05-27T06:56:43.43 0.1 undecidable manual P 120 57.8976 50 0.06 91
IV.ARRO.EHZ. 2020-05-27T06:56:42.45 0.1 undecidable manual S 148 25.1526 104 0.99 72
IV.MGAB.HHZ. 2020-05-27T06:56:41.19 0.6 positive manual P 292 42.7239 50 0.15 46
IV.NRCA.HHZ. 2020-05-27T06:56:40.54 0.1 undecidable manual P 80 42.3243 50 -0.43 87
IV.CESI.HHZ. 2020-05-27T06:56:39.81 0.1 undecidable manual P 43 35.742 100 0.1 94
IV.CESX.HHZ. 2020-05-27T06:56:38.79 0.1 undecidable manual S 184 18.1707 110 -0.33 92
IV.ASSB.HHZ. 2020-05-27T06:56:38.53 0.1 negative manual P 9 30.4473 102 -0.14 94
IV.ARRO.EHZ. 2020-05-27T06:56:37.67 1.0 negative manual P 148 25.1526 104 0.02 24
IV.CESX.HHZ. 2020-05-27T06:56:36.01 0.3 positive manual P 184 18.1707 110 -0.28 70
IV.MOMA.HHZ. 2020-05-27T06:56:34.90 0.1 undecidable manual S 324 4.3956 146 -0.25 96
IV.MOMA.HHZ. 2020-05-27T06:56:33.95 0.1 negative manual P 324 4.3956 146 -0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESX.HHN. ML:1.8 0.0005625 0.18 AML other m 2020-05-27T06:56:39.56
IV.CESX.HHE. ML:1.8 0.0006094999999999999 0.32 AML other m 2020-05-27T06:56:40.90
IV.ASSB.HHN. ML:1.3 0.00009875 1.12 AML other m 2020-05-27T06:56:44.77
IV.ASSB.HHE. ML:1.3 0.00009175 0.38 AML other m 2020-05-27T06:56:46.15
IV.CESI.HHE. ML:1.3 0.0000779 1.32 AML other m 2020-05-27T06:56:47.80
IV.CESI.HHN. ML:1.4 0.00008829999999999999 0.96 AML other m 2020-05-27T06:56:47.15
IV.NRCA.HHE. ML:1.5 0.000093 0.74 AML other m 2020-05-27T06:56:47.70
IV.MGAB.HHE. ML:1.3 0.00006465 1.38 AML other m 2020-05-27T06:56:48.10
IV.NRCA.HHN. ML:1.4 0.00008740000000000001 0.14 AML other m 2020-05-27T06:56:48.64
IV.MGAB.HHN. ML:1.3 0.0000691 0.18 AML other m 2020-05-27T06:56:49.21
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