Earthquake with magnitude of ML 1.6 on date 28-06-2018 and time 15:36:01 (UTC) in region 7 km NW Pontremoli (MS)

A magnitude ML 1.6 earthquake occured in region: 7 km NW Pontremoli (MS), on

  • 28-06-2018 15:36:01 (UTC)
  • 28-06-2018 17:36:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.4240, 9.8240 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.

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 9 1094 15450
Albareto PR 10 2156 17606
Mulazzo MS 13 2424 20030
Filattiera MS 14 2309 22339
Compiano PR 15 1112 23451
Berceto PR 16 2109 25560
Valmozzola PR 17 539 26099
Tornolo PR 17 1010 27109
Zignago SP 17 532 27641
Bedonia PR 18 3482 31123
Villafranca in Lunigiana MS 18 4770 35893
Bagnone MS 18 1887 37780
Sesta Godano SP 19 1377 39157
Varese Ligure SP 19 2059 41216
Rocchetta di Vara SP 20 703 41919

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km N of La Spezia (93959 inhabitants)
44 Km NW of Carrara (63133 inhabitants)
50 Km NW of Massa (69479 inhabitants)
58 Km SW of Parma (192836 inhabitants)
71 Km NW of Viareggio (62467 inhabitants)
71 Km S of Piacenza (102191 inhabitants)
71 Km E of Genova (586655 inhabitants)
71 Km W of Reggio nell'Emilia (171345 inhabitants)
81 Km S of Cremona (71901 inhabitants)
84 Km NW of Lucca (89046 inhabitants)
91 Km W of Modena (184973 inhabitants)
91 Km NW of Pisa (89158 inhabitants)
93 Km W of Carpi (70699 inhabitants)
100 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 2018-06-28
15:36:01
44.4243 9.8243 9 2019-04-24
14:51:09
Bollettino Sismico Italiano INGV 66188411
Reviewed
Rev100
ML 1.6 2018-06-28
15:36:01
44.4242 9.8293 9 2018-06-28
15:44:15
Sala Sismica INGV-Roma 58219871
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-06-28 15:36:01 ± 0.1
Latitude 44.4243 ± 0.0054
Longitude 9.8243 ± 0.0063
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 66188411

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 482
Semi-minor axis of confidence ellipse (meter) 445
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 9
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) 107
Number of associated phases, regardless of their use for origin computation 16
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) 0.18436
Epicentral distance of station farthest from the epicenter (degree) 0.48114
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 66188411
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-03-05 11:48:08

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 58219871
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-06-28 15:44:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.SARM.EHZ. 2018-06-28T15:36:19.30 0.6 undecidable manual S 120 52.9026 50 0.3 45
MN.VLC.HHZ. 2018-06-28T15:36:19.69 0.6 undecidable manual S 123 53.4021 50 0.56 42
IV.BOB.HHZ. 2018-06-28T15:36:17.95 0.6 undecidable manual S 322 48.3183 50 0.18 46
GU.GORR.HHZ. 2018-06-28T15:36:16.97 0.6 undecidable manual S 296 46.7199 50 -0.36 45
GU.EQUI.HHZ. 2018-06-28T15:36:15.19 0.6 undecidable manual S 138 38.7279 50 -0.02 49
IV.PLMA.HHZ. 2018-06-28T15:36:15.32 0.3 undecidable manual S 177 41.625 50 -0.66 62
GU.SARM.EHZ. 2018-06-28T15:36:12.02 0.3 undecidable manual P 120 52.9026 50 0.26 68
MN.VLC.HHZ. 2018-06-28T15:36:12.02 0.6 undecidable manual P 123 53.4021 50 0.18 46
IV.MSSA.HHZ. 2018-06-28T15:36:11.89 0.6 undecidable manual S 244 27.1506 108 0.14 49
IV.BOB.HHZ. 2018-06-28T15:36:11.10 0.3 undecidable manual P 322 48.3183 50 0.05 71
GU.GORR.HHZ. 2018-06-28T15:36:10.72 0.6 undecidable manual P 296 46.7199 50 -0.08 48
GU.EQUI.HHZ. 2018-06-28T15:36:09.44 0.3 undecidable manual P 138 38.7279 50 -0.13 72
GU.GRAM.HHZ. 2018-06-28T15:36:09.13 0.6 undecidable manual S 69 20.4684 113 -0.46 46
IV.PLMA.HHZ. 2018-06-28T15:36:09.95 0.3 undecidable manual P 177 41.625 50 -0.06 72
IV.MSSA.HHZ. 2018-06-28T15:36:07.78 0.1 positive manual P 244 27.1506 108 0.21 96
GU.GRAM.HHZ. 2018-06-28T15:36:06.27 0.1 positive manual P 69 20.4684 113 -0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GRAM.HHE. ML:2.0 0.000782 0.86 AML other m 2018-06-28T15:36:10.65
GU.GRAM.HHN. ML:1.9 0.000694 0.6 AML other m 2018-06-28T15:36:11.49
IV.MSSA.HHN. ML:1.5 0.000192 0.76 AML other m 2018-06-28T15:36:11.59
IV.MSSA.HHE. ML:1.4 0.00015099999999999998 0.42 AML other m 2018-06-28T15:36:12.45
GU.EQUI.HHE. ML:1.1 0.00005235 0.78 AML other m 2018-06-28T15:36:17.44
GU.SARM.EHN. ML:1.6 0.0000929 0.84 AML other m 2018-06-28T15:36:20.06
GU.EQUI.HHN. ML:1.1 0.00004555 1.36 AML other m 2018-06-28T15:36:20.89
GU.SARM.EHE. ML:1.8 0.00014050000000000003 0.24 AML other m 2018-06-28T15:36:20.19
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download