Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.5 on date 04-07-2019 and time 18:27:08 (UTC) in region 7 km NW Pontremoli (MS)

A magnitude ML 2.5 earthquake occured in region: 7 km NW Pontremoli (MS), on

  • 04-07-2019 18:27:08 (UTC)
  • 04-07-2019 20:27:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.4300, 9.8270 at 6 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
Pontremoli MS 7 7357 7357
Borgo Val di Taro PR 8 6999 14356
Zeri MS 10 1094 15450
Albareto PR 10 2156 17606
Mulazzo MS 14 2424 20030
Filattiera MS 14 2309 22339
Compiano PR 15 1112 23451
Berceto PR 16 2109 25560
Valmozzola PR 16 539 26099
Tornolo PR 17 1010 27109
Bedonia PR 18 3482 30591
Zignago SP 18 532 31123
Villafranca in Lunigiana MS 18 4770 35893
Bagnone MS 18 1887 37780
Varese Ligure SP 19 2059 39839
Sesta Godano SP 19 1377 41216

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km N of La Spezia (93959 inhabitants)
45 Km NW of Carrara (63133 inhabitants)
50 Km NW of Massa (69479 inhabitants)
57 Km SW of Parma (192836 inhabitants)
70 Km S of Piacenza (102191 inhabitants)
70 Km W of Reggio nell'Emilia (171345 inhabitants)
71 Km E of Genova (586655 inhabitants)
71 Km NW of Viareggio (62467 inhabitants)
80 Km S of Cremona (71901 inhabitants)
84 Km NW of Lucca (89046 inhabitants)
91 Km W of Modena (184973 inhabitants)
92 Km NW of Pisa (89158 inhabitants)
93 Km W of Carpi (70699 inhabitants)
99 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 2.5 2019-07-04
18:27:08		 44.43 9.8272 6 2019-11-13
14:31:05		 Bollettino Sismico Italiano INGV 73177321
Reviewed
Rev100 		ML 2.5 2019-07-04
18:27:08		 44.4522 9.8422 9 2019-07-04
18:37:21		 Sala Sismica INGV-Roma 70202931
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-07-04 18:27:08 ± 0.16
Latitude 44.4300 ± 0.0081
Longitude 9.8272 ± 0.0088
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 73177321

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 714
Semi-minor axis of confidence ellipse (meter) 604
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 29
Circular confidence region, given by single value of horizontal uncertainty (meter) 710.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 66
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 41
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.47
Epicentral distance of station closest to the epicenter (degree) 0.18076
Epicentral distance of station farthest from the epicenter (degree) 2.21143
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 30
Magnitudes information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations 39
Type of magnitude ML
Reference to an origin 70202931
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-07-04 18:37:20

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations 38
Type of magnitude ML
Reference to an origin 73177321
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-10-10 08:34:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MDI.HHZ. 2019-07-04T18:27:54.65 1.0 undecidable manual S 357 148.8399 50 2.28 6
ST.ZIAN.EHZ. 2019-07-04T18:27:47.30 0.3 undecidable manual P 33 245.4654 38 0.3 33
IV.QLNO.HHZ. 2019-07-04T18:27:44.74 0.6 undecidable manual S 265 117.993 50 0.61 38
ST.PANI.EHZ. 2019-07-04T18:27:42.69 0.3 undecidable manual P 33 214.8183 38 -0.5 39
IV.CASP.HHZ. 2019-07-04T18:27:40.41 0.3 undecidable manual P 155 200.0442 38 -0.94 36
IV.VARE.HHZ. 2019-07-04T18:27:39.48 0.6 undecidable manual P 333 179.6868 50 0.7 29
GU.ENR.HHZ. 2019-07-04T18:27:39.59 0.3 undecidable manual P 264 192.2631 38 -0.79 40
ST.RONC.EHZ. 2019-07-04T18:27:39.41 0.3 undecidable manual P 20 182.8836 38 0.2 50
ST.VARA.EHZ. 2019-07-04T18:27:38.14 0.3 undecidable manual P 28 175.9905 50 -0.08 53
IV.MAGA.HHZ. 2019-07-04T18:27:36.22 0.3 undecidable manual P 23 161.9157 50 0.18 56
IV.MBAL.EHZ. 2019-07-04T18:27:36.70 0.3 undecidable manual P 30 162.2154 50 0.62 50
IV.MDI.HHZ. 2019-07-04T18:27:35.22 0.3 undecidable manual P 357 148.8399 50 1.18 41
GU.CANO.HHZ. 2019-07-04T18:27:31.07 0.3 undecidable manual P 259 128.5713 50 0.16 62
IV.MPPT.EHZ. 2019-07-04T18:27:30.09 0.3 undecidable manual P 117 113.2977 50 1.54 36
GU.RNCA.HHZ. 2019-07-04T18:27:30.84 0.3 undecidable manual S 274 69.4749 50 -0.34 67
IV.MOCL.EHZ. 2019-07-04T18:27:30.75 0.3 undecidable manual P 113 117.4935 50 1.55 35
IV.QLNO.HHZ. 2019-07-04T18:27:29.63 0.1 undecidable manual P 265 117.993 50 0.35 81
IV.PRMA.HHZ. 2019-07-04T18:27:27.93 0.6 undecidable manual S 46 53.3022 50 1.07 35
GU.SARM.EHN. 2019-07-04T18:27:26.06 0.6 undecidable manual S 121 53.1024 50 -0.74 41
IV.PII.HHZ. 2019-07-04T18:27:26.02 0.1 undecidable manual P 144 96.2259 50 0.1 89
GU.PCP.HHZ. 2019-07-04T18:27:26.77 0.3 undecidable manual P 277 102.2199 50 -0.07 67
IV.BOB.HHZ. 2019-07-04T18:27:24.66 0.6 undecidable manual S 321 48.0186 50 -0.78 40
GU.MAIM.HHZ. 2019-07-04T18:27:23.24 0.1 undecidable manual P 137 77.8665 50 0.14 92
IV.PLMA.HHZ. 2019-07-04T18:27:23.27 0.3 undecidable manual S 177 42.2244 98 -0.51 68
GU.GORR.HHZ. 2019-07-04T18:27:23.83 0.3 undecidable manual S 295 46.62 50 -1.25 48
GU.CARD.HHZ. 2019-07-04T18:27:22.31 0.3 undecidable manual P 130 68.6757 50 0.63 62
IV.BDI.HNZ. 2019-07-04T18:27:22.19 0.3 undecidable manual P 123 73.371 50 -0.22 68
GU.EQUI.HHE. 2019-07-04T18:27:21.86 0.6 undecidable manual S 138 39.0276 98 -0.84 40
GU.RNCA.HHZ. 2019-07-04T18:27:21.76 0.1 undecidable manual P 274 69.4749 50 -0.05 95
IV.MSSA.HHZ. 2019-07-04T18:27:19.59 0.3 undecidable manual S 243 27.6501 102 0.81 62
GU.SARM.EHN. 2019-07-04T18:27:19.01 0.1 undecidable manual P 121 53.1024 50 -0.27 94
MN.VLC.HHZ. 2019-07-04T18:27:19.41 0.3 undecidable manual P 124 53.6019 50 0.05 73
IV.PRMA.HHZ. 2019-07-04T18:27:19.64 0.3 undecidable manual P 46 53.3022 50 0.33 69
GU.GORR.HHZ. 2019-07-04T18:27:17.54 0.1 undecidable manual P 295 46.62 50 -0.74 82
IV.BOB.HHZ. 2019-07-04T18:27:17.77 0.1 undecidable manual P 321 48.0186 50 -0.71 83
IV.PLMA.HHZ. 2019-07-04T18:27:17.49 0.1 undecidable manual P 177 42.2244 98 -0.04 100
GU.EQUI.HHE. 2019-07-04T18:27:16.71 0.1 undecidable manual P 138 39.0276 98 -0.19 97
GU.FIVI.HNE. 2019-07-04T18:27:15.85 0.3 undecidable manual P 132 31.8459 100 0.37 71
GU.GRAM.HHZ. 2019-07-04T18:27:15.45 0.3 undecidable manual S 70 20.0688 106 -0.79 63
IV.MSSA.HHZ. 2019-07-04T18:27:15.25 0.1 undecidable manual P 243 27.6501 102 0.61 89
GU.GRAM.HHZ. 2019-07-04T18:27:12.90 0.1 undecidable manual P 70 20.0688 106 -0.28 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GRAM.HHE. ML:3.1 0.009585000000000002 0.32 AML other m 2019-07-04T18:27:17.88
IV.MSSA.HHN. ML:2.4 0.0013 0.18 AML other m 2019-07-04T18:27:20.24
IV.MSSA.HHE. ML:2.3 0.0010235 1.22 AML other m 2019-07-04T18:27:20.35
IV.PLMA.HHE. ML:2.3 0.0006465 0.64 AML other m 2019-07-04T18:27:23.66
GU.GORR.HHE. ML:2.4 0.0008465 1.2 AML other m 2019-07-04T18:27:24.76
GU.GORR.HHN. ML:2.6 0.00107 1.44 AML other m 2019-07-04T18:27:24.20
IV.BOB.HHN. ML:2.4 0.0006765 0.82 AML other m 2019-07-04T18:27:26.61
IV.BOB.HHE. ML:2.5 0.000825 0.36 AML other m 2019-07-04T18:27:26.57
IV.BOB.HNN. ML:2.3 0.0006093727999999999 0.3968 AML other m 2019-07-04T18:27:26.57
MN.VLC.HHE. ML:1.8 0.0001585 1.2 AML other m 2019-07-04T18:27:27.83
MN.VLC.HHN. ML:1.9 0.000189 1.64 AML other m 2019-07-04T18:27:27.15
IV.PLMA.HHN. ML:2.2 0.0004975 0.88 AML other m 2019-07-04T18:27:30.05
GU.RNCA.HHN. ML:2.2 0.0002915 0.64 AML other m 2019-07-04T18:27:31.41
GU.RNCA.HHE. ML:2.3 0.0003205 0.5 AML other m 2019-07-04T18:27:31.33
GU.CARD.HHE. ML:2.7 0.0008645 0.16 AML other m 2019-07-04T18:27:35.60
GU.CARD.HHN. ML:2.6 0.0007365 0.24 AML other m 2019-07-04T18:27:35.71
GU.PCP.HHN. ML:2.3 0.00021050000000000002 1.42 AML other m 2019-07-04T18:27:41.04
IV.PII.HHE. ML:2.6 0.0004450000000000001 0.28 AML other m 2019-07-04T18:27:42.67
IV.PII.HHN. ML:2.5 0.00035549999999999997 0.82 AML other m 2019-07-04T18:27:43.05
GU.PCP.HHE. ML:2.0 0.0001058 0.8 AML other m 2019-07-04T18:27:43.58
IV.QLNO.HHE. ML:2.1 0.00008905 0.58 AML other m 2019-07-04T18:27:45.13
IV.QLNO.HHN. ML:2.2 0.000134 0.5 AML other m 2019-07-04T18:27:45.12
IV.MOCL.EHN. ML:2.1 0.00009759999999999999 0.44 AML other m 2019-07-04T18:27:48.13
GU.CANO.HHN. ML:2.7 0.0003345 0.38 AML other m 2019-07-04T18:27:50.38
GU.CANO.HHE. ML:2.7 0.000356 1.16 AML other m 2019-07-04T18:27:53.68
IV.MOCL.EHE. ML:2.1 0.00009379999999999999 1.24 AML other m 2019-07-04T18:27:56.84
IV.MDI.HHE. ML:2.9 0.00041700000000000005 1.54 AML other m 2019-07-04T18:27:56.13
IV.MDI.HNE. ML:2.9 0.0004305 1.54 AML other m 2019-07-04T18:27:56.13
IV.MDI.HHN. ML:2.8 0.00033199999999999994 1.5 AML other m 2019-07-04T18:27:56.24
IV.MDI.HNN. ML:2.8 0.00034550000000000005 0.48 AML other m 2019-07-04T18:27:58.06
IV.MBAL.EHN. ML:2.4 0.0001147 0.56 AML other m 2019-07-04T18:27:58.39
IV.MBAL.EHE. ML:2.8 0.000254 0.54 AML other m 2019-07-04T18:27:59.48
IV.MAGA.HHN. ML:2.8 0.0002535 0.3 AML other m 2019-07-04T18:28:01.16
ST.VARA.EHN. ML:3.0 0.0003855 0.44 AML other m 2019-07-04T18:28:02.32
IV.MAGA.HHE. ML:3.0 0.000494 1.52 AML other m 2019-07-04T18:28:02.13
ST.RONC.EHN. ML:3.0 0.000352 0.96 AML other m 2019-07-04T18:28:03.07
ST.RONC.EHE. ML:3.0 0.00032950000000000004 0.42 AML other m 2019-07-04T18:28:03.80
ST.VARA.EHE. ML:3.1 0.00045799999999999997 0.32 AML other m 2019-07-04T18:28:04.17
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
Waveforms Seismic signals in miniseed + resp format Download