Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 27-09-2018 and time 01:28:00 (UTC) in region 7 km NE Bedonia (PR)

A magnitude ML 1.3 earthquake occured in region: 7 km NE Bedonia (PR), on

  • 27-09-2018 01:28:00 (UTC)
  • 27-09-2018 03:28:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.5560, 9.6720 at 7 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
Bedonia PR 7 3482 3482
Compiano PR 7 1112 4594
Tornolo PR 9 1010 5604
Bardi PR 10 2227 7831
Borgo Val di Taro PR 11 6999 14830
Albareto PR 12 2156 16986
Ferriere PC 17 1294 18280
Valmozzola PR 17 539 18819
Santo Stefano d'Aveto GE 17 1126 19945
Varsi PR 18 1230 21175
Morfasso PC 19 1024 22199
Farini PC 19 1290 23489

Municipalities with at least 50000 inhabitants

An earthquake occurred to
51 Km N of La Spezia (93959 inhabitants)
55 Km S of Piacenza (102191 inhabitants)
59 Km W of Parma (192836 inhabitants)
61 Km E of Genova (586655 inhabitants)
63 Km NW of Carrara (63133 inhabitants)
69 Km NW of Massa (69479 inhabitants)
70 Km SW of Cremona (71901 inhabitants)
78 Km W of Reggio nell'Emilia (171345 inhabitants)
81 Km SE of Pavia (72576 inhabitants)
89 Km NW of Viareggio (62467 inhabitants)
92 Km E of Alessandria (93943 inhabitants)
98 Km E of Savona (61345 inhabitants)
99 Km W of Carpi (70699 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 1.3 2018-09-27
01:28:00		 44.5562 9.6715 7 2019-06-04
09:16:13		 Bollettino Sismico Italiano INGV 67982331
Reviewed
Rev100 		ML 1.3 2018-09-27
01:28:00		 44.5567 9.6752 11 2018-09-27
01:38:17		 Sala Sismica INGV-Roma 61352651
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-09-27 01:28:00 ± 0.08
Latitude 44.5562 ± 0.0045
Longitude 9.6715 ± 0.0050
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 67982331

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 454
Semi-minor axis of confidence ellipse (meter) 294
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 194
Circular confidence region, given by single value of horizontal uncertainty (meter) 450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 140
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
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) 0.26350
Epicentral distance of station farthest from the epicenter (degree) 0.80220
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 61352651
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-09-27 01:38:17

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 5
Type of magnitude ML
Reference to an origin 67982331
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-04-26 13:30:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.PCP.HHE. 2018-09-27T01:28:27.40 0.3 undecidable manual S 269 89.0442 50 -0.13 65
GU.RNCA.HHZ. 2018-09-27T01:28:18.85 0.6 undecidable manual S 261 57.7977 50 -0.33 44
GU.PCP.HHE. 2018-09-27T01:28:16.68 0.6 undecidable manual P 269 89.0442 50 0.62 39
GU.RNCA.HHZ. 2018-09-27T01:28:11.36 0.3 undecidable manual P 261 57.7977 50 0.12 70
GU.GORR.HHZ. 2018-09-27T01:28:11.09 0.3 undecidable manual S 281 30.4473 103 -0.16 73
GU.GRAM.HHZ. 2018-09-27T01:28:11.56 0.6 undecidable manual S 103 32.0457 102 -0.21 48
IV.BOB.HNZ. 2018-09-27T01:28:10.93 0.6 undecidable manual S 323 29.3484 103 0.05 50
IV.MSSA.HHZ. 2018-09-27T01:28:10.82 0.6 undecidable manual S 205 29.2485 103 -0.03 50
IV.BOB.HNZ. 2018-09-27T01:28:06.45 0.1 undecidable manual P 323 29.3484 103 0 100
IV.MSSA.HHZ. 2018-09-27T01:28:06.52 0.1 undecidable manual P 205 29.2485 103 0.09 98
GU.GORR.HHZ. 2018-09-27T01:28:06.70 0.1 positive manual P 281 30.4473 103 0.04 99
GU.GRAM.HHZ. 2018-09-27T01:28:06.96 0.1 undecidable manual P 103 32.0457 102 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GORR.HHN. ML:1.2 0.00008035 0.84 AML other m 2018-09-27T01:28:12.70
GU.GRAM.HHN. ML:1.4 0.00012365 0.16 AML other m 2018-09-27T01:28:12.74
GU.GRAM.HHE. ML:1.5 0.00013800000000000002 0.44 AML other m 2018-09-27T01:28:13.51
GU.RNCA.HHN. ML:1.1 0.000024396629999999998 0.12 AML other m 2018-09-27T01:28:19.38
GU.RNCA.HHE. ML:1.1 0.00002728743 0.1 AML other m 2018-09-27T01:28:19.60
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