Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 31-03-2019 and time 16:05:23 (UTC) in region 4 km W Terenzo (PR)

A magnitude ML 1.6 earthquake occured in region: 4 km W Terenzo (PR), on

  • 31-03-2019 16:05:23 (UTC)
  • 31-03-2019 18:05:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.5950, 10.0430 at 28 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Terenzo PR 4 1196 1196
Solignano PR 6 1773 2969
Calestano PR 6 2100 5069
Berceto PR 10 2109 7178
Varano de' Melegari PR 11 2676 9854
Fornovo di Taro PR 12 6100 15954
Valmozzola PR 13 539 16493
Corniglio PR 14 1936 18429
Tizzano Val Parma PR 15 2077 20506
Varsi PR 17 1230 21736
Langhirano PR 18 10315 32051
Pellegrino Parmense PR 18 1048 33099
Felino PR 19 8790 41889
Medesano PR 20 10828 52717

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km SW of Parma (192836 inhabitants)
48 Km W of Reggio nell'Emilia (171345 inhabitants)
57 Km NE of La Spezia (93959 inhabitants)
58 Km N of Carrara (63133 inhabitants)
58 Km SE of Piacenza (102191 inhabitants)
60 Km S of Cremona (71901 inhabitants)
62 Km N of Massa (69479 inhabitants)
70 Km W of Carpi (70699 inhabitants)
70 Km W of Modena (184973 inhabitants)
83 Km N of Viareggio (62467 inhabitants)
90 Km E of Genova (586655 inhabitants)
91 Km NW of Lucca (89046 inhabitants)
96 Km SE of Pavia (72576 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 1.6 2019-03-31
16:05:23		 44.5947 10.0428 28 2019-08-22
08:24:56		 Bollettino Sismico Italiano INGV 67629781
Reviewed
Rev100 		ML 1.7 2019-03-31
16:05:23		 44.5753 10.0268 27 2019-03-31
16:16:06		 Sala Sismica INGV-Roma 67118171
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-03-31 16:05:23 ± 0.1
Latitude 44.5947 ± 0.0054
Longitude 10.0428 ± 0.0063
Depth (km) 28 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 67629781

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 630
Semi-minor axis of confidence ellipse (meter) 156
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 34
Circular confidence region, given by single value of horizontal uncertainty (meter) 630.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 117
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.06750
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.4
Num. used stations 12
Type of magnitude ML
Reference to an origin 67118171
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-03-31 16:16:06

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 17
Type of magnitude ML
Reference to an origin 67629781
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-04-16 07:13:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RIBO.EHZ.01 2019-03-31T16:06:18.95 3.0 undecidable manual Sn 1.47 0
GU.PCN.EHZ. 2019-03-31T16:06:10.85 3.0 undecidable manual P 0
GU.PCP.HHZ. 2019-03-31T16:05:58.31 0.6 undecidable manual S 268 118.4925 54 0.34 39
GU.RNCA.HHZ. 2019-03-31T16:05:49.88 0.3 undecidable manual S 261 87.4458 103 -0.03 67
GU.MOCL.EHZ. 2019-03-31T16:05:44.18 3.0 undecidable manual P 0
IV.PLMA.HHZ. 2019-03-31T16:05:43.36 0.1 undecidable manual S 194 62.2932 108 -0.08 92
GU.PCP.HHZ. 2019-03-31T16:05:43.72 0.6 undecidable manual P 268 118.4925 54 0.27 40
MN.VLC.HHZ. 2019-03-31T16:05:42.04 1.0 undecidable manual S 150 55.4001 111 0.32 22
GU.GORR.HHZ. 2019-03-31T16:05:42.61 0.1 undecidable manual S 272 59.2962 109 -0.07 93
IV.BOB.HHE. 2019-03-31T16:05:41.03 0.6 undecidable manual S 292 50.7159 113 0.48 43
GU.SARM.EHZ. 2019-03-31T16:05:41.80 1.0 undecidable manual S 148 53.7018 112 0.52 21
GU.EQUI.HHE. 2019-03-31T16:05:40.46 1.0 undecidable manual S 170 48.3183 114 0.49 22
IV.MSSA.HHZ. 2019-03-31T16:05:40.67 1.0 undecidable manual S 234 51.8037 113 -0.15 23
GU.ZCCA.HHZ. 2019-03-31T16:05:39.89 3.0 undecidable manual P 0
GU.RNCA.HHZ. 2019-03-31T16:05:38.86 0.3 undecidable manual P 261 87.4458 103 0.07 66
IV.PLMA.HHZ. 2019-03-31T16:05:35.01 0.1 negative manual P 194 62.2932 108 -0.05 93
MN.VLC.HHZ. 2019-03-31T16:05:34.08 0.6 undecidable manual P 150 55.4001 111 0.01 47
GU.GORR.HHZ. 2019-03-31T16:05:34.50 0.1 undecidable manual P 272 59.2962 109 -0.12 92
IV.MSSA.HHZ. 2019-03-31T16:05:33.44 0.3 undecidable manual P 234 51.8037 113 -0.11 70
GU.SARM.EHZ. 2019-03-31T16:05:33.75 0.1 undecidable manual P 148 53.7018 112 -0.06 94
IV.BOB.HHE. 2019-03-31T16:05:33.10 0.3 undecidable manual P 292 50.7159 113 -0.29 68
GU.GRAM.HHZ. 2019-03-31T16:05:33.01 0.3 undecidable manual S 171 11.5773 155 0.38 71
GU.EQUI.HHE. 2019-03-31T16:05:32.81 0.1 undecidable manual P 170 48.3183 114 -0.25 91
IV.PRMA.HHZ. 2019-03-31T16:05:30.36 0.6 undecidable manual P 49 28.3494 130 -0.07 49
GU.GRAM.HHZ. 2019-03-31T16:05:28.69 0.1 undecidable manual P 171 11.5773 155 -0.13 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GRAM.HHE. ML:2.8 0.0036371235000000005 0.2048 AML other m 2019-03-31T16:05:33.41
GU.GRAM.HHN. ML:2.9 0.0036537935 0.2176 AML other m 2019-03-31T16:05:33.18
IV.MSSA.HHN. ML:1.4 0.000058942805 0.1792 AML other m 2019-03-31T16:05:41.40
IV.MSSA.HHE. ML:1.4 0.00005682081 0.4224 AML other m 2019-03-31T16:05:42.32
GU.SARM.EHN. ML:2.1 0.0002811225 0.4096 AML other m 2019-03-31T16:05:43.71
GU.SARM.EHE. ML:2.0 0.00019629115 0.4224 AML other m 2019-03-31T16:05:42.85
GU.GORR.HHE. ML:1.7 0.000098068395 0.1664 AML other m 2019-03-31T16:05:42.78
GU.GORR.HHN. ML:1.6 0.000080766 0.1536 AML other m 2019-03-31T16:05:42.79
IV.PLMA.HHN. ML:1.7 0.00009227349500000002 0.2816 AML other m 2019-03-31T16:05:47.06
IV.PLMA.HHE. ML:1.7 0.00008828518499999999 0.2432 AML other m 2019-03-31T16:05:46.80
GU.RNCA.HHE. ML:1.4 0.000027645389999999997 0.2048 AML other m 2019-03-31T16:05:53.79
GU.RNCA.HHN. ML:1.4 0.000030344234999999996 0.192 AML other m 2019-03-31T16:05:53.75
IV.ZCCA.HHN. ML:1.4 0.000036108599999999995 0.4608 AML other m 2019-03-31T16:05:56.84
GU.PCP.HHN. ML:1.5 0.00002352583 0.4352 AML other m 2019-03-31T16:05:59.80
GU.PCP.HHE. ML:1.4 0.0000223314935 0.2432 AML other m 2019-03-31T16:06:03.67
IV.MOCL.EHN. ML:1.6 0.0000280763555 0.5632 AML other m 2019-03-31T16:06:04.17
IV.MOCL.EHE. ML:1.5 0.000024534849999999998 0.4352 AML other m 2019-03-31T16:06:01.43
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