Earthquake with magnitude of ML 1.7 on date 26-12-2019 and time 19:31:44 (UTC) in region 2 km E Compiano (PR)

A magnitude ML 1.7 earthquake occured in region: 2 km E Compiano (PR), on

  • 26-12-2019 19:31:44 (UTC)
  • 26-12-2019 20:31:44 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.5000, 9.6850 at 10 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Compiano PR 2 1112 1112
Bedonia PR 4 3482 4594
Tornolo PR 5 1010 5604
Albareto PR 6 2156 7760
Borgo Val di Taro PR 7 6999 14759
Varese Ligure SP 15 2059 16818
Bardi PR 15 2227 19045
Zeri MS 17 1094 20139
Valmozzola PR 18 539 20678
Santo Stefano d'Aveto GE 19 1126 21804

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km N of La Spezia (93959 inhabitants)
57 Km NW of Carrara (63133 inhabitants)
60 Km E of Genova (586655 inhabitants)
61 Km SW of Parma (192836 inhabitants)
62 Km S of Piacenza (102191 inhabitants)
63 Km NW of Massa (69479 inhabitants)
76 Km SW of Cremona (71901 inhabitants)
78 Km W of Reggio nell'Emilia (171345 inhabitants)
84 Km NW of Viareggio (62467 inhabitants)
87 Km SE of Pavia (72576 inhabitants)
96 Km E of Alessandria (93943 inhabitants)
98 Km NW of Lucca (89046 inhabitants)
98 Km E of Savona (61345 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 1.7 2019-12-26
19:31:44
44.4998 9.6847 10 2020-02-28
16:42:22
Bollettino Sismico Italiano INGV 76189011
Reviewed
Rev100
ML 1.7 2019-12-26
19:31:44
44.499 9.6868 10 2019-12-26
19:53:12
Sala Sismica INGV-Roma 75002001
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-26 19:31:44 ± 0.18
Latitude 44.4998 ± 0.0072
Longitude 9.6847 ± 0.0063
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 76189011

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 561
Semi-minor axis of confidence ellipse (meter) 545
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 196
Circular confidence region, given by single value of horizontal uncertainty (meter) 560.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 91
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.41194
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 75002001
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-26 19:53:12

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 17
Type of magnitude ML
Reference to an origin 76189011
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-04 07:51:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SLCN.HHZ. 2019-12-26T19:33:32.38 3.0 undecidable manual Pg 15.86 0
IV.MTMR.EHZ. 2019-12-26T19:33:18.64 3.0 undecidable manual Pg 11.92 0
IT.VNF1.HGZ. 2019-12-26T19:32:59.55 3.0 positive manual Pn 5.3 0
IV.ATMI.HHZ. 2019-12-26T19:32:51.59 3.0 undecidable manual Sn -2.7 0
IV.MOMA.HHZ. 2019-12-26T19:32:31.89 3.0 positive manual Pn 1.05 0
IV.FIR.HHZ. 2019-12-26T19:32:30.58 3.0 undecidable manual S -2.76 0
IV.IMI.HHZ. 2019-12-26T19:32:28.56 0.3 undecidable manual S 246 156.7209 50 -0.24 55
GU.CANO.HHZ. 2019-12-26T19:32:18.98 0.3 undecidable manual S 255 119.2917 50 0.17 61
IV.QLNO.HHZ. 2019-12-26T19:32:16.22 0.1 undecidable manual S 260 107.8143 50 0.47 79
GU.POPM.HHZ. 2019-12-26T19:32:13.44 0.3 undecidable manual S 120 99.0231 50 0.05 66
GU.PCP.HHZ. 2019-12-26T19:32:11.52 0.1 undecidable manual S 273 90.243 50 0.48 81
IV.IMI.HHZ. 2019-12-26T19:32:10.01 0.3 undecidable manual P 246 156.7209 50 0.07 57
GU.CANO.HHZ. 2019-12-26T19:32:04.89 0.1 undecidable manual P 255 119.2917 50 0.72 70
IV.QLNO.HHZ. 2019-12-26T19:32:03.17 0.1 undecidable manual P 260 107.8143 50 0.76 70
GU.RNCA.HHZ. 2019-12-26T19:32:01.89 0.1 undecidable manual S 267 58.0974 50 -0.59 83
GU.POPM.HHZ. 2019-12-26T19:32:01.06 0.3 undecidable manual P 120 99.0231 50 0.02 66
GU.PCP.HHZ. 2019-12-26T19:32:00.03 0.1 undecidable manual P 273 90.243 50 0.34 84
GU.EQUI.HHE. 2019-12-26T19:32:00.60 0.1 undecidable manual S 135 52.503 50 -0.36 89
IV.PLMA.HHZ. 2019-12-26T19:32:00.49 0.1 undecidable manual S 165 51.7038 50 -0.26 91
IV.BOB.HHE. 2019-12-26T19:31:56.05 0.3 undecidable manual S 328 35.1426 50 -0.29 70
GU.GORR.HHZ. 2019-12-26T19:31:55.06 0.1 undecidable manual S 291 33.2445 50 -0.76 81
GU.RNCA.HHZ. 2019-12-26T19:31:55.01 0.1 undecidable manual P 267 58.0974 50 0.26 91
GU.GRAM.HHZ. 2019-12-26T19:31:54.98 0.1 undecidable manual S 92 30.1476 50 -0.03 100
IV.PRMA.HHZ. 2019-12-26T19:31:54.79 0.3 undecidable manual P 59 57.5979 50 0.13 70
GU.FIVI.HNE. 2019-12-26T19:31:53.04 0.3 undecidable manual P 129 45.4212 50 0.25 70
IV.PLMA.HHZ. 2019-12-26T19:31:53.93 0.1 undecidable manual P 165 51.7038 50 0.18 93
GU.EQUI.HHE. 2019-12-26T19:31:53.93 0.1 undecidable manual P 135 52.503 50 0.06 95
IV.MSSA.HHZ. 2019-12-26T19:31:52.86 0.1 undecidable manual S 213 24.2535 112 -0.39 93
IV.BOB.HHE. 2019-12-26T19:31:50.96 0.1 undecidable manual P 328 35.1426 50 -0.24 95
GU.GORR.HHZ. 2019-12-26T19:31:50.52 0.1 positive manual P 291 33.2445 50 -0.38 92
GU.GRAM.HHZ. 2019-12-26T19:31:50.54 0.1 positive manual P 92 30.1476 50 0.11 98
IV.MSSA.HHZ. 2019-12-26T19:31:49.35 0.1 positive manual P 213 24.2535 112 -0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MSSA.HHE. ML:1.5 0.0001902937 0.1536 AML other m 2019-12-26T19:31:53.38
IV.MSSA.HHN. ML:1.6 0.00021898475000000001 0.1408 AML other m 2019-12-26T19:31:53.27
GU.GORR.HHN. ML:1.5 0.00013258324500000002 0.1792 AML other m 2019-12-26T19:31:56.13
GU.GRAM.HHE. ML:1.9 0.0003541687 0.1792 AML other m 2019-12-26T19:31:56.70
GU.GRAM.HHN. ML:1.7 0.0002525387 0.2432 AML other m 2019-12-26T19:31:57.00
IV.PLMA.HHE. ML:1.6 0.000091196065 0.1408 AML other m 2019-12-26T19:32:01.74
IV.PLMA.HHN. ML:1.8 0.00013937759999999998 0.1664 AML other m 2019-12-26T19:32:02.46
GU.RNCA.HHN. ML:1.6 0.00008600050000000001 0.192 AML other m 2019-12-26T19:32:02.39
GU.RNCA.HHE. ML:1.7 0.000105793035 0.1408 AML other m 2019-12-26T19:32:02.81
GU.PCP.HHN. ML:1.3 0.000025823615000000002 0.1664 AML other m 2019-12-26T19:32:12.92
GU.PCP.HHE. ML:1.3 0.0000229823295 0.2304 AML other m 2019-12-26T19:32:13.29
GU.POPM.HHE. ML:2.0 0.00009710208000000001 0.256 AML other m 2019-12-26T19:32:18.64
GU.POPM.HHN. ML:2.0 0.000093475495 0.192 AML other m 2019-12-26T19:32:17.96
IV.QLNO.HHN. ML:1.4 0.000024547285 0.3584 AML other m 2019-12-26T19:32:17.47
GU.CANO.HHN. ML:2.0 0.00007247005 0.2432 AML other m 2019-12-26T19:32:22.16
GU.CANO.HHE. ML:2.0 0.0000685593 0.3072 AML other m 2019-12-26T19:32:22.25
IV.IMI.HHN. ML:1.8 0.00002884005 0.384 AML other m 2019-12-26T19:32:32.12
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