Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 25-01-2018 and time 18:31:25 (Italy) in region 5 km NW Frascineto (CS)

A magnitude ML 1.2 earthquake occured in region: 5 km NW Frascineto (CS), on

  • 25-01-2018 17:31:25 (UTC)
  • 25-01-2018 18:31:25 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.8660, 16.2210 at 8 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
Frascineto CS 5 2154 2154
Castrovillari CS 6 22240 24394
San Basile CS 8 1055 25449
Morano Calabro CS 8 4576 30025
Civita CS 9 902 30927
San Lorenzo Bellizzi CS 10 644 31571
Saracena CS 11 3828 35399
Cassano all'Ionio CS 13 18495 53894
Cerchiara di Calabria CS 14 2385 56279
Terranova di Pollino PZ 14 1208 57487
Francavilla Marittima CS 15 2910 60397
Lungro CS 16 2592 62989
Firmo CS 16 2115 65104
Viggianello PZ 17 3025 68129
Alessandria del Carretto CS 17 462 68591
San Severino Lucano PZ 18 1563 70154
Plataci CS 18 739 70893
Rotonda PZ 19 3494 74387
Acquaformosa CS 19 1106 75493

Municipalities with at least 50000 inhabitants

An earthquake occurred to
64 Km N of Cosenza (67546 inhabitants)
93 Km SE of Potenza (67122 inhabitants)
95 Km SW of Matera (60436 inhabitants)
99 Km N of Lamezia Terme (70714 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 1.2 2018-01-25
17:31:25		 39.8658 16.2215 8 2019-04-24
14:49:19		 Bollettino Sismico Italiano INGV 54400851
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-01-25 17:31:25 ± 0.08
Latitude 39.8658 ± 0.0045
Longitude 16.2215 ± 0.0059
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 54400851

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 523
Semi-minor axis of confidence ellipse (meter) 329
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 162
Circular confidence region, given by single value of horizontal uncertainty (meter) 520.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 67
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.59445
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 54400851
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-03-07 12:41:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
BA.PZUN.HHZ. 2018-01-25T17:31:54.04 3.0 undecidable manual S -0.04 0
IV.CET2.HHZ. 2018-01-25T17:31:39.78 0.3 undecidable manual S 211 43.8228 50 -0.17 71
IV.PIPA.HHZ. 2018-01-25T17:31:37.70 0.6 undecidable manual P 130 65.9895 50 0.64 39
IV.CRAC.EHN. 2018-01-25T17:31:36.32 0.6 undecidable manual P 17 59.9955 50 0.19 45
IV.ORI.HHZ. 2018-01-25T17:31:34.95 0.6 undecidable manual S 43 28.2495 105 -0.22 48
IV.TDS.HHZ. 2018-01-25T17:31:34.03 0.6 undecidable manual S 157 24.8529 107 0.01 50
MN.CUC.HHE. 2018-01-25T17:31:33.04 0.6 undecidable manual P 292 37.3293 101 0.4 45
IV.CET2.HHZ. 2018-01-25T17:31:33.08 0.6 undecidable manual P 211 43.8228 50 -0.56 43
IV.SIRI.HNE. 2018-01-25T17:31:33.76 0.3 undecidable manual P 320 46.2204 50 -0.25 69
IV.MMN.HHZ. 2018-01-25T17:31:32.39 0.3 undecidable manual S 278 19.869 111 0.01 75
IV.ORI.HHZ. 2018-01-25T17:31:30.97 0.6 undecidable manual P 43 28.2495 105 0.1 49
IV.TDS.HHZ. 2018-01-25T17:31:30.34 0.3 undecidable manual P 157 24.8529 107 0.13 73
IV.MMN.HHZ. 2018-01-25T17:31:29.40 0.3 undecidable manual P 278 19.869 111 0.14 74
IV.SALB.HHZ. 2018-01-25T17:31:29.47 0.3 undecidable manual S 83 10.6782 125 -0.06 75
IV.SALB.HHZ. 2018-01-25T17:31:27.52 0.1 undecidable manual P 83 10.6782 125 -0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MMN.HHE. ML:1.2 0.000128 1.82 AML other m 2018-01-25T17:31:36.97
IV.SALB.HHE. ML:1.0 0.000258 0.2 AML other m 2018-01-25T17:31:31.13
IV.MMN.HHN. ML:1.4 0.0002375 1.66 AML other m 2018-01-25T17:31:36.94
IV.CET2.HHE. ML:0.0 0.000033799999999999995 0.58 AML other m 2018-01-25T17:31:40.67
IV.CET2.HHN. ML:0.0 0.0000514 0.18 AML other m 2018-01-25T17:31:41.14
IV.SALB.HHN. ML:1.0 0.00014848115 0.4736 AML other m 2018-01-25T17:31:29.79
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