Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 29-05-2020 and time 22:05:30 (UTC) in region 4 km NW Preci (PG)

A magnitude ML 0.9 earthquake occured in region: 4 km NW Preci (PG), on

  • 29-05-2020 22:05:30 (UTC)
  • 30-05-2020 00:05:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9100, 13.0160 at 11 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
Preci PG 4 724 724
Visso MC 6 1107 1831
Sellano PG 8 1079 2910
Monte Cavallo MC 9 145 3055
Ussita MC 11 444 3499
Castelsantangelo sul Nera MC 11 281 3780
Cerreto di Spoleto PG 13 1075 4855
Norcia PG 15 4957 9812
Pieve Torina MC 15 1458 11270
Fiordimonte MC 15 202 11472
Pievebovigliana MC 18 866 12338
Fiastra MC 18 559 12897
Acquacanina MC 19 121 13018
Serravalle di Chienti MC 19 1070 14088
Muccia MC 19 915 15003
Bolognola MC 20 142 15145
Vallo di Nera PG 20 364 15509

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km E of Foligno (57155 inhabitants)
49 Km NE of Terni (111501 inhabitants)
56 Km E of Perugia (166134 inhabitants)
63 Km W of Teramo (54892 inhabitants)
70 Km NW of L'Aquila (69753 inhabitants)
89 Km SW of Ancona (100861 inhabitants)
92 Km NE 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 0.9 2020-05-29
22:05:30		 42.9103 13.0158 11 2020-05-29
22:16:57		 Sala Sismica INGV-Roma 79699501
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-29 22:05:30 ± 0.06
Latitude 42.9103 ± 0.0036
Longitude 13.0158 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 79699501

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 446
Semi-minor axis of confidence ellipse (meter) 277
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 214
Circular confidence region, given by single value of horizontal uncertainty (meter) 450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 160
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.10522
Epicentral distance of station farthest from the epicenter (degree) 0.29228
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 79699501
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-29 22:16:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASSB.HHZ. 2020-05-29T22:05:41.01 0.6 undecidable manual S 297 32.4453 50 -0.17 48
IV.CSP1.EHZ. 2020-05-29T22:05:39.32 0.6 undecidable manual S 37 25.3524 50 0.06 49
IV.MMO1.EHZ. 2020-05-29T22:05:39.14 0.6 undecidable manual S 93 25.2525 50 -0.12 49
IV.CESI.HHZ. 2020-05-29T22:05:36.00 0.6 undecidable manual S 319 13.875 128 -0.12 50
IV.FDMO.HHZ. 2020-05-29T22:05:36.28 0.6 undecidable manual S 22 15.1737 126 -0.21 49
IV.ASSB.HHZ. 2020-05-29T22:05:36.43 0.3 negative manual P 297 32.4453 50 -0.03 74
IV.NRCA.HHZ. 2020-05-29T22:05:35.32 0.6 undecidable manual S 137 11.6772 133 -0.23 49
IV.MMO1.EHZ. 2020-05-29T22:05:35.37 0.3 positive manual P 93 25.2525 50 0.02 75
IV.CSP1.EHZ. 2020-05-29T22:05:35.45 0.6 negative manual P 37 25.3524 50 0.1 49
IV.FDMO.HHZ. 2020-05-29T22:05:33.84 0.3 negative manual P 22 15.1737 126 0.09 75
IV.NRCA.HHZ. 2020-05-29T22:05:33.33 0.1 positive manual P 137 11.6772 133 0.12 100
IV.CESI.HHZ. 2020-05-29T22:05:33.69 0.1 positive manual P 319 13.875 128 0.15 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.0 0.00011899999999999999 0.1 AML other m 2020-05-29T22:05:35.49
IV.NRCA.HHE. ML:0.9 0.00009705 0.08 AML other m 2020-05-29T22:05:35.75
IV.CESI.HHN. ML:1.0 0.000091 0.32 AML other m 2020-05-29T22:05:36.49
IV.FDMO.HHN. ML:0.7 0.0000524 0.16 AML other m 2020-05-29T22:05:36.57
IV.FDMO.HHE. ML:1.1 0.00011665 0.14 AML other m 2020-05-29T22:05:36.52
IV.CESI.HHE. ML:0.8 0.000057249999999999996 0.5 AML other m 2020-05-29T22:05:36.67
IV.ASSB.HHN. ML:0.7 0.0000212 0.16 AML other m 2020-05-29T22:05:41.37
IV.ASSB.HHE. ML:0.7 0.000019050000000000002 0.7 AML other m 2020-05-29T22:05:41.31
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