Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 28-01-2020 and time 14:47:29 (Italy) in region 1 km E Preci (PG)

A magnitude ML 0.8 earthquake occured in region: 1 km E Preci (PG), on

  • 28-01-2020 13:47:29 (UTC)
  • 28-01-2020 14:47:29 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8800, 13.0480 at 9 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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 1 724 724
Visso MC 7 1107 1831
Castelsantangelo sul Nera MC 9 281 2112
Sellano PG 10 1079 3191
Ussita MC 10 444 3635
Norcia PG 10 4957 8592
Cerreto di Spoleto PG 13 1075 9667
Monte Cavallo MC 13 145 9812
Fiordimonte MC 18 202 10014
Cascia PG 18 3217 13231
Pieve Torina MC 18 1458 14689
Vallo di Nera PG 19 364 15053
Bolognola MC 19 142 15195
Fiastra MC 20 559 15754
Acquacanina MC 20 121 15875

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km E of Foligno (57155 inhabitants)
48 Km NE of Terni (111501 inhabitants)
59 Km W of Teramo (54892 inhabitants)
59 Km E of Perugia (166134 inhabitants)
65 Km NW of L'Aquila (69753 inhabitants)
91 Km SW of Ancona (100861 inhabitants)
93 Km NE of Viterbo (67173 inhabitants)
99 Km W of Montesilvano (53738 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
Bulletin
Rev1000 		ML 0.8 2020-01-28
13:47:29		 42.8803 13.0477 9 2020-07-18
21:08:21		 Bollettino Sismico Italiano INGV 76704811
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-28 13:47:29 ± 0.2
Latitude 42.8803 ± 0.0036
Longitude 13.0477 ± 0.0061
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 76704811

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 478
Semi-minor axis of confidence ellipse (meter) 199
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 253
Circular confidence region, given by single value of horizontal uncertainty (meter) 480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 109
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.24012
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 76704811
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-21 17:40:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EUCT.HNZ. 2020-01-28T13:49:21.70 3.0 undecidable manual Sg 5.29 0
IV.ZONE.HHZ. 2020-01-28T13:49:19.32 3.0 undecidable manual Sg 4.59 0
ST.PANI.EHZ. 2020-01-28T13:49:13.98 3.0 undecidable manual Sg 3.23 0
SL.LJU.BHZ. 2020-01-28T13:49:05.97 3.0 undecidable manual Sn -2.19 0
IV.MBAL.EHZ. 2020-01-28T13:49:00.43 3.0 undecidable manual Sn -6.04 0
AC.KBN.HHZ. 2020-01-28T13:48:59.05 3.0 negative manual Pn -1.27 0
IV.CMPR.HHZ. 2020-01-28T13:48:53.03 3.0 undecidable manual Sg 0.35 0
IV.VARE.HHZ. 2020-01-28T13:48:44.61 3.0 negative manual Pg 6.52 0
IV.MCRV.HHZ. 2020-01-28T13:48:43.60 3.0 undecidable manual Sg 1.6 0
IV.ZONE.HHZ. 2020-01-28T13:48:28.99 3.0 undecidable manual Pg 0.55 0
MN.TRI.HHZ. 2020-01-28T13:48:21.84 3.0 negative manual Pg 3.2 0
IX.STN3.HHZ.02 2020-01-28T13:48:19.76 3.0 negative manual Pg 3.83 0
GU.GRAM.HHZ. 2020-01-28T13:48:10.75 3.0 negative manual Pn -5.42 0
IV.PTRJ.HNZ. 2020-01-28T13:47:55.03 3.0 undecidable manual Pn -4.66 0
IV.CSP1.EHE. 2020-01-28T13:47:39.00 0.6 undecidable manual S 28 26.6511 108 -0.25 47
IV.MML1.HNE. 2020-01-28T13:47:39.10 1.0 undecidable manual S 347 26.5512 108 -0.11 24
IV.GAVE.HNZ. 2020-01-28T13:47:38.10 0.3 undecidable manual S 211 24.3534 109 -0.37 69
IV.MMO1.EHZ. 2020-01-28T13:47:37.70 0.3 undecidable manual S 85 22.755 111 -0.26 70
IV.CESI.HHZ. 2020-01-28T13:47:36.40 0.3 undecidable manual S 320 18.0708 115 -0.05 74
IV.MML1.HNE. 2020-01-28T13:47:36.03 1.0 undecidable manual P 347 26.5512 108 0.92 19
IV.FDMO.HHZ. 2020-01-28T13:47:36.20 0.1 undecidable manual S 11 17.5713 116 -0.12 97
IV.MC2.EHZ. 2020-01-28T13:47:35.00 0.3 undecidable manual S 73 11.9769 126 0.37 70
IV.GAVE.HNZ. 2020-01-28T13:47:35.19 0.6 undecidable manual P 211 24.3534 109 0.51 44
IV.MMO1.EHZ. 2020-01-28T13:47:34.24 0.1 undecidable manual P 85 22.755 111 -0.16 96
IV.CSP1.EHE. 2020-01-28T13:47:34.67 1.0 undecidable manual P 28 26.6511 108 -0.46 22
IV.FDMO.HHZ. 2020-01-28T13:47:33.50 0.1 undecidable manual P 11 17.5713 116 0.06 99
IV.CESI.HHZ. 2020-01-28T13:47:33.55 0.1 undecidable manual P 320 18.0708 115 0.03 99
IV.NRCA.HNZ. 2020-01-28T13:47:33.40 0.1 undecidable manual S 134 7.4814 139 -0.07 100
IV.MC2.EHZ. 2020-01-28T13:47:32.69 0.1 undecidable manual P 73 11.9769 126 0.22 96
IV.NRCA.HNZ. 2020-01-28T13:47:31.91 0.1 undecidable manual P 134 7.4814 139 0.11 99
IV.ARRO.EHZ. 2020-01-28T13:47:25.96 3.0 positive manual P -9.79 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:0.0 0.000060049240000000004 0.096 AML other m 2020-01-28T13:47:36.55
IV.CESI.HHE. ML:0.0 0.0000510467475 0.0768 AML other m 2020-01-28T13:47:36.74
IV.FDMO.HHN. ML:0.7 0.000047010319999999994 0.2048 AML other m 2020-01-28T13:47:36.60
IV.FDMO.HHE. ML:0.9 0.00006749536 0.1792 AML other m 2020-01-28T13:47:36.59
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