Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 25-08-2012 and time 00:13:33 (UTC) in region 1 km E San Martino d'Agri (PZ)

A magnitude ML 0.7 earthquake occured in region: 1 km E San Martino d'Agri (PZ), on

  • 25-08-2012 00:13:33 (UTC)
  • 25-08-2012 02:13:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.2380, 16.0620 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.

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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
San Martino d'Agri PZ 1 801 801
San Chirico Raparo PZ 5 1084 1885
Armento PZ 8 631 2516
Spinoso PZ 9 1462 3978
Gallicchio PZ 9 862 4840
Montemurro PZ 9 1235 6075
Castelsaraceno PZ 10 1384 7459
Missanello PZ 10 566 8025
Carbone PZ 11 638 8663
Castronuovo di Sant'Andrea PZ 12 1067 9730
Calvera PZ 12 387 10117
Roccanova PZ 13 1543 11660
Guardia Perticara PZ 14 552 12212
Teana PZ 15 613 12825
Sarconi PZ 15 1404 14229
Grumento Nova PZ 16 1700 15929
Moliterno PZ 16 4062 19991
Fardella PZ 16 627 20618
Corleto Perticara PZ 16 2511 23129
Aliano MT 17 1008 24137
Latronico PZ 17 4556 28693
Viggiano PZ 18 3329 32022
Chiaromonte PZ 18 1965 33987
Sant'Arcangelo PZ 18 6533 40520
Episcopia PZ 18 1434 41954
Gorgoglione MT 19 989 42943
Cirigliano MT 20 375 43318

Municipalities with at least 50000 inhabitants

An earthquake occurred to
50 Km SE of Potenza (67122 inhabitants)
66 Km SW of Matera (60436 inhabitants)
78 Km SW of Altamura (70396 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
Reviewed
Rev100 		ML 0.7 2012-08-25
00:13:33		 40.2202 16.0662 11 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 2065171
Bulletin
Rev1000 		ML 0.7 2012-08-25
00:13:33		 40.2383 16.0618 10 2014-09-19
08:14:18		 Bollettino Sismico Italiano INGV 2997431
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2012-08-25 00:13:33 ± 0.09
Latitude 40.2383 ± 0.0072
Longitude 16.0618 ± 0.0059
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 2997431

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 805
Semi-minor axis of confidence ellipse (meter) 450
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 201
Circular confidence region, given by single value of horizontal uncertainty (meter) 800.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 230
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.04047
Epicentral distance of station farthest from the epicenter (degree) 0.36063
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.1
Num. used stations 3
Type of magnitude ML
Reference to an origin 2997431
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2014-09-18 12:44:42

ML:0.7

Field Value
Value 0.7
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 2065171
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2012-08-25 00:18:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MTSN.HHZ. 2012-08-25T00:13:43.04 0.6 undecidable manual S 277 26.4513 50 0.08 48
IV.MCEL.HHZ. 2012-08-25T00:13:42.37 0.6 undecidable manual S 294 23.9538 113 0.07 48
IV.SLCN.HHZ. 2012-08-25T00:13:41.11 0.1 undecidable manual P 295 40.0266 50 0.16 92
IV.SIRI.HHZ. 2012-08-25T00:13:40.37 0.6 undecidable manual S 249 17.5713 120 0.06 49
IV.MCEL.HHZ. 2012-08-25T00:13:38.37 0.1 undecidable manual P 294 23.9538 113 -0.11 95
IV.MTSN.HHZ. 2012-08-25T00:13:38.70 0.1 undecidable manual P 277 26.4513 50 -0.16 94
IV.SCHR.EHZ. 2012-08-25T00:13:37.15 0.6 undecidable manual S 165 4.4955 156 0.03 50
IV.SIRI.HHZ. 2012-08-25T00:13:37.29 0.1 positive manual P 249 17.5713 120 -0.04 98
IV.SCHR.EHZ. 2012-08-25T00:13:35.52 0.1 undecidable manual P 165 4.4955 156 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MCEL.HHE. ML:0.6 0.000026750000000000003 1.14 AML other m 2012-08-25T00:13:43.30
IV.MCEL.HHN. ML:0.6 0.00002155 1.08 AML other m 2012-08-25T00:13:44.54
IV.MTSN.HHE. ML:0.6 0.0000196 1.5 AML other m 2012-08-25T00:13:45.42
IV.MTSN.HHN. ML:0.7 0.0000266 0.52 AML other m 2012-08-25T00:13:43.81
IV.SIRI.HHN. ML:0.8 0.000054199999999999996 1.3 AML other m 2012-08-25T00:13:40.65
IV.SIRI.HHE. ML:0.6 0.00003655 0.18 AML other m 2012-08-25T00:13:40.82
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