MODERATELY STRONG QUAKES HIT OFF NORTHEASTERN AUSTRALIA

 

EARTHQUAKE SUMMARY FOR JULY 31, 2015

 

Moderately strong earthquakes of M 5.6 and M 5.4 hit off the east coast of Australia today. These are the second and third such events in the area in the past three days. EMSC reported they were felt with intensity up to V in Australia at Rainbow Beach, Booral, Boreen Point, Tinana, Noosa Heads, Tewantin, Mooloolaba, Warana, Currimundi, Montville, Bongaree, Morayfield, Point Lookout, Zillmere, Albany Creek, Wynnum, Wavell Heights, Wellington Point, Thorneside, Ormiston, Hamilton, Macleay Island, Fairfield, Chelmer, Rochedale South, Logan Reserve, Coombabah, Biggera Waters, Eagle Heights, Surfers Paradise, Broadbeach, Miami, Burleigh Heads, Palm Beach, Tweed Heads South, Kingscliff, Goonellabah, Australia.

 

When the first event in this series occurred two days ago, this summary noted:

 

"This is a highly unusual earthquake and most residents were frightened by it.

EMSC reported intensity up to V in Australia at Pialba, Maryborough, Noosaville, Noosa Heads, Burrum Heads, Macroochydore, Budurim, Caloundra, Crohamhurst, Woodford, Wamuran, Hollywell, Coolangatta, Pottsville. Witnesses reported houses shaking, window rattling increased winds, and plaster  cracking. The last earthquake of M>=5.3 within 500 km of this epicenter occurred more than 25 years ago. An M 4.9 hit about 200 km west of this epicenter on February 15, 2015, the largest in the region in the past 25 years and may have set the area stresses for today's event. In the summary for February 16, it was noted in this regard:" (July 29-30, 2015)

 

"This is the strongest earthquake within 250 km of this epicenter in at least  25 years. The only moderate earthquake previously recorded in this area was

an M 4.3 on November 2, 1998 about 300 km north of this epicenter. occurred.

The only two events of stronger magnitude in this region were an M 5.8 on June 5, 1918 and an M 5.2 on November 28, 1978. This is the strongest event within 100 km of this epicenter ever recorded." (February 16, 2015)

 

These events are located at the third node (120 degrees) from the M 7.0 in the Southern Atlantic Ocean of June 17 and may have been promoted from that   source.

 

O:  1AUG2015 04:46:24  25.4S  154.2E mb=5.2  ANSS   Rainbow Beach Australia      

O:  1AUG2015 03:38:44  25.4S  154.3E mb=5.6  ANSS   Rainbow Beach Australia      

 

Manam volcano in Papua New Guinea also erupted north of Australia today. This was a major eruption, the first at Manam in nearly 11 years - since August 2004. A moderate eruption also occurred on January 12, 2013. Volcanic ash was sent up to 65,000 feet and was moving to the southwest. A volcanic ash advisory was issued and a code Red aviation advisory is in effect. Manam is located at 4.1S 145.1E. Forecast 90581 had expected moderate seismic activity within about 10 km of Manam Volcano in late July. As this eruption occurred at the maximum of the full moon, tidal triggering is a possible triggering agent.

 

O: 31JUL2015 09:00      4.1S  145.1E mb=5.0  VOLC Eruption of Manam Volcano, Papua

P: 24JUL2015 90581      4.0S  145.0E 4.0-5.6 CAAAA  New Ireland                

 

An earthquake in eastern Iran of M 5.2-5.4 also occurred near local solar noon today and may have been promoted by tidal stresses. The last event of M>=5.2 within about 200 km of this epicenter occurred on January 21, 2013 with M 5.5 Forecast 90641 had expected a moderate earthquake in this area in early August.

 

EMSC reported this earthquake of M 5.4 in Eastern Iran was felt with intensity up to VI in Iran at Kerman, Iran. NEIC gave this M 5.2 and reported intensity IV in Kirman, Kerman, Iran.

 

O: 31JUL2015 10:06:35  30.1N   57.6E mb=5.2  ANSS   ESE of Kerman Iran           

P:  4AUG2015 90641     28.0N   57.0E 3.5-5.0 BBAAA  So. Iran/Persian Gulf      

 

The swarm of earthquakes in the northern Caribbean continued today with another 10 earthquakes of M>=3 in the region of Puerto Rico. This is concentrating  in an area where a major earthquake could occur and may indicate an area of weakness where such a future event is in preparation. Forecasts 90627 and 90609 had expected moderate activity in this area around July 31 and August 1.

 

O: 31JUL2015 20:15:24  19.1N   66.5W Md=3.3  ANSS   Nuevas Poniente Puerto Rico

O: 01AUG2015 02:14:11  19.3N   65.4W Md=3.4  ANSS   Vieques Puerto Rico

O: 01AUG2015 01:22:41  19.4N   65.4W Md=3.5  ANSS   Vieques Puerto Rico

O: 31JUL2015 12:13:44  19.4N   66.3W Md=3.0  ANSS   Brenas Puerto Rico

O: 31JUL2015 08:11:36  19.5N   66.3W Md=3.0  ANSS   Brenas Puerto Rico

O: 31JUL2015 04:18:58  19.5N   66.3W Md=3.0  ANSS   Dorado Puerto Rico

O: 31JUL2015 21:19:35  19.5N   66.3W Md=3.0  ANSS   Dorado Puerto Rico

O: 31JUL2015 15:58:46  19.5N   66.3W Md=3.1  ANSS   Brenas Puerto Rico

O: 31JUL2015 05:19:54  19.6N   66.3W Md=3.0  ANSS   Brenas Puerto Rico

O: 31JUL2015 12:16:01  19.7N   64.5W Md=3.2  ANSS   Town British Virgin Islands

O:  1AUG2015 02:16:14  19.1N   65.0W Md=3.0  ANSS   Town British Virgin Islands  

P:  1AUG2015 90609     18.0N   64.0W 3.0-5.0 AAAAA  Leeward Islands            

P: 31JUL2015 90627     20.0N   65.0W 3.0-4.4 AAAAA  Bahamas/No. Caribbean      

 

Tidal triggering of seismicity in the region near Greece, Turkey and the eastern

 Mediterranean region continued today with an M 4.1 in the region of Crete, Greece. Forecast 90661 had expected this area of Crete to be active in later July.

 

EMSC reported this earthquake of M 4.2 in Crete, Greece was felt with intensity II-III in the area(s) of Rethimno and Heraklion, Greece.

 

O: 31JUL2015 16:04:44  34.8N   24.2E mb=4.1  EMSC CRETE, GREECE                  

P: 23JUL2015 90661     34.0N   24.0E 3.0-4.4 CAAAA  Crete                      

 

The strongest earthquake activity in the U.S. or Canada today continued to occur in the Fox Islands aftershock series. The strongest of these were M 5.0 and 4.9 today, the quietest day since the mainshock of July 27 when an M 6.9 hit the region. None of these events were reported felt in this remote region. Forecast 90754 had expected this area within about 25 km of these epicenters to be active in early August.

 

O: 31JUL2015 05:12:38  52.0N  169.5W mb=4.9  ANSS   Yunaska Island Alaska

O: 01AUG2015 01:29:59  52.2N  169.3W mb=4.0  ANSS   SSW of Nikolski Alaska

O: 31JUL2015 03:53:20  52.6N  169.6W mb=4.3  ANSS   SW of Nikolski Alaska

O: 31JUL2015 19:17:18  52.6N  169.7W mb=5.0  ANSS   Yunaska Island Alaska        

P:  2AUG2015 90754     52.5N  169.2W 3.5-5.1 AAAAA  Fox Islands, Aleutians     

OTHER GLOBAL EARTHQUAKE ACTIVITY

 

For most events there are two listings. The first line is the observed event starting with "O:" for Observed. There follows the date, month and year, the time in UT hours:minutes:seconds, the latitude and longitude, the given magnitude and the reporting agency followed by the geographic location. The second line starts with "P:" This is the forecast event as forecast in our summaries normally more than a month in advance. Magnitudes may vary in response to updated seismic watches and daily variations due to tidal and other influences. This line has the forecast date, month and year, the forecast number, latitude, longitude and forecast magnitude range.  This is followed by a comparison between the forecast and the event. The comparison includes letters A-D. The first is number of days difference from predicted (A:up to 2, B3-5; C:6-10; D:more than 10), Difference in latitude (A:up to 1 degree; B:1-2 degrees; C:2-4 degrees; D:more than 4 degrees); longitude (same comparison as with latitude); magnitude (A: within forecast range; B: higher than forecast range; C: lower than forecast range; D: no comparison possible). The last letter is a stand in for a future comparison which needs to be done statistically after a large number of forecasts have been made. In previous data, an excellent match is generally AAAAA; a good match as one or two B's; a fair match has several B's and C's and a poor match is one which contains a number of C's or D's. 

 

ASIA

 

O: 31JUL2015 10:06:35  30.1N   57.6E mb=5.2  ANSS   ESE of Kerman Iran           

P:  4AUG2015 90641     28.0N   57.0E 3.5-5.0 BBAAA  So. Iran/Persian Gulf      

 

O:  1AUG2015 07:36:02  24.8N  121.8E ML=4.4  EMSC TAIWAN                         

P: 30JUL2015 90643     24.0N  121.0E 4.0-5.4 AAAAA  Taiwan                      

 

INDONESIA AND PHILIPPINES

 

O: 31JUL2015 07:57:41   6.0N  127.1E mb=4.8  ANSS   ESE of Pondaguitan Philippines

P:  3AUG2015 90564      7.0N  127.0E 4.0-5.5 BAAAA  Halmahera                  

 

O: 31JUL2015 22:26:08   8.2S  118.3E mb=5.1  ANSS   N of Pali Indonesia          

O: 31JUL2015 22:26:08   8.2S  118.3E mb=5.1  EMSC SUMBAWA REGION, INDONESIA

O: 31JUL2015 22:26:07  08.1S  118.2E MB=5.1  BMG  Felt with intensity II in Bima, Sumbawa, Indonesia.

P: 24JUL2015 90594      8.0S  118.0E 4.0-5.6 CAAAA  Sumbawa Island area        

 

BMG reported this earthquake was felt with intensity II in Bima, Sumbawa, Indonesia.

 

CENTRAL AND SOUTH AMERICA

 

O: 31JUL2015 17:17      8.8S   73.5W mb=4.4  IGP    Pucallpa-Ucayali, Peru       

P:  2AUG2015 90572      9.0S   75.0W 3.5-5.2 AABAA  Brazil                     

 

O: 31JUL2015 23:39:25  14.1N   91.5W mw=5.0  ANSS   Pueblo Nuevo Tiquisate Guatema

P: 31JUL2015 90606     15.0N   91.0W 3.5-5.3 AAAAA  Guatemala                  

 

EMSC reported this earthquake of M 5.1 in Guatemala was felt with intensity II-III in the area(s) of Guatemala City.

NEIC gave the event M 5.0 and reported intensity IV in Mazatenango; V in Ciudad Vieja and II-III in Guatemala at San Pedro la Laguna, Panajachel, San Antonio Aguas Calientes, Antigua Guatemala, Olintepeque, Villa Nueva, Santa Catarina Pinula, Mexco, Guatemala City, Chinautla and Lanquin, Guatemala.

 

O: 31JUL2015 02:07:11  15.0N   92.9W ML=4.5  UNAM   SUROESTE de HUIXTLA, CHIS    

O: 31JUL2015 09:11:25  15.6N   93.9W ML=3.6  UNAM   SUROESTE de TONALA, CHIS     

P:  1AUG2015 90601     15.0N   93.0W 3.5-5.2 AAAAA  Chiapas, Mexico            

 

O: 30JUL2015 13:07:13  17.0N   94.7W ML=3.8  UNAM   ESTE de MATIAS ROMERO, OAX   

O: 30JUL2015 19:26:10  17.2N   94.7W ML=4.1  UNAM   NORESTE de MATIAS ROMERO, OAX

P:  4AUG2015 90602     18.0N   95.0W 3.5-5.1 BAAAA  Chiapas, Mexico            

 

O: 30JUL2015 20:54:57  15.9N   97.1W ML=3.7  UNAM   ORTE de PUERTO ESCONDIDO, OAX

O: 30JUL2015 09:27:22  16.3N   98.1W ML=4.1  UNAM   SUROESTE de PINOTEPA NACIONAL,

P: 25JUL2015 90621     16.0N   98.0W 3.5-5.1 BAAAA  Oaxaca, Mexico             

 

O: 30JUL2015 23:11:32  16.6N   98.9W ML=4.1  UNAM   OESTE de OMETEPEC, GRO       

O: 31JUL2015 09:40:37  16.6N   99.3W ML=3.0  UNAM   SURESTE de SAN MARCOS, GRO   

P:  1AUG2015 90622     18.0N   99.0W 3.5-5.2 ABAAA  Oaxaca, Mexico             

 

O: 30JUL2015 13:17:21  18.1N  100.5W ML=3.5  UNAM   SUROESTE de ARCELIA, GRO     

P: 31JUL2015 90622     18.0N  100.0W 3.5-5.6 AAAAA  Oaxaca, Mexico             

 

O: 30JUL2015 09:56:37  18.2N  103.4W ML=3.5  UNAM   SUROESTE de COALCOMAN, MICH  

P: 29JUL2015 90615     19.0N  104.0W 3.5-5.3 AAAAA  Michoacan, Mexico          

 

O: 31JUL2015 06:13:26  19.1N  105.4W ML=3.6  UNAM   OESTE de CIHUATLAN, JAL      

P: 29JUL2015 90615     19.0N  104.0W 3.5-5.3 AAAAA  Michoacan, Mexico          

 

O: 30JUL2015 23:42:31  19.8N  105.9W ML=3.9  UNAM    SUROESTE de PUERTO VALLARTA,

O: 30JUL2015 09:12:18  19.6N  105.9W ML=4.4  UNAM    SUROESTE de PUERTO VALLARTA,

P:  4AUG2015 90604     19.0N  107.0W 3.5-5.3 BAAAA  Coast of Jalisco, Mexico   

 

O: 30JUL2015 10:02:25  27.6N  111.6W ML=3.4  UNAM   NORESTE de SANTA ROSALIA, BCS

P: 27JUL2015 90629     28.0N  112.0W 3.5-5.3 BAAAA  Gulf of California         

 

O: 31JUL2015 20:15:24  19.1N   66.5W Md=3.3  ANSS   Nuevas Poniente Puerto Rico

O: 01AUG2015 02:14:11  19.3N   65.4W Md=3.4  ANSS   Vieques Puerto Rico

O: 01AUG2015 01:22:41  19.4N   65.4W Md=3.5  ANSS   Vieques Puerto Rico

O: 31JUL2015 12:13:44  19.4N   66.3W Md=3.0  ANSS   Brenas Puerto Rico

O: 31JUL2015 08:11:36  19.5N   66.3W Md=3.0  ANSS   Brenas Puerto Rico

O: 31JUL2015 04:18:58  19.5N   66.3W Md=3.0  ANSS   Dorado Puerto Rico

O: 31JUL2015 21:19:35  19.5N   66.3W Md=3.0  ANSS   Dorado Puerto Rico

O: 31JUL2015 15:58:46  19.5N   66.3W Md=3.1  ANSS   Brenas Puerto Rico

O: 31JUL2015 05:19:54  19.6N   66.3W Md=3.0  ANSS   Brenas Puerto Rico

O: 31JUL2015 12:16:01  19.7N   64.5W Md=3.2  ANSS   Town British Virgin Islands

 

AFRICA AND EUROPE

 

O: 31JUL2015 16:04:44  34.8N   24.2E mb=4.1  EMSC CRETE, GREECE                  

P: 23JUL2015 90661     34.0N   24.0E 3.0-4.4 CAAAA  Crete                      

 

No significant (M>=5) or unusual earthquakes were reported in Europe today.

 

SOUTHWEST PACIFIC

 

O: 31JUL2015 14:59:45  11.1S  163.2E mb=4.9  ANSS   Kirakira Solomon Islands     

P: 29JUL2015 90803     11.0S  164.0E 4.0-5.5 AAAAA  Vanuatu Islands            

 

O: 31JUL2015 22:58:50  11.6S  165.2E mb=4.7  ANSS   Lata Solomon Islands         

P:  1AUG2015 90803     11.0S  166.0E 4.0-5.8 AAAAA  Vanuatu Islands            

 

O: 31JUL2015 07:30:38  13.6S  167.2E mb=4.6  ANSS   NW of Sola Vanuatu           

P:  4AUG2015 90803     12.0S  166.0E 4.0-5.6 BBAAA  Vanuatu Islands            

 

No significant (M>=5) or unusual earthquakes were reported in the Southwest Pacific region today.

 

OCEAN RIDGES

 

O:  1AUG2015 03:32:48  26.0S   70.0E ML=4.6  EMSC MID-INDIAN RIDGE               

P: 31JUL2015 90812     28.0S   66.0E 4.0-5.7 ABCAA  So. Indian Ocean           

 

No significant (M>=5) or unusual earthquakes were reported on Ocean Ridges today.

 

NEW ZEALAND AND AUSTRALIA REGION

 

No earthquakes of M>=4 were recorded in the regions of New Zealand or Australia

today. GeoNet did not report any felt events in the area.

 

JAPAN AND KURIL ISLANDS

 

O:  1AUG2015 00:23:01  38.8N  142.2E mw=4.4  ANSS   SE of Ofunato Japan          

P:  4AUG2015 90693     39.0N  143.0E 4.0-5.4 BAAAA  So. of Honshu              

 

U.S./CANADA*

 

WESTERN U.S./CANADA

 

CALIFORNIA

 

O: 31JUL2015 17:15:05  35.7N  120.3W md=2.3  ANSS   NNE of Shandon California    

P: 28JUL2015 90654     36.2N  120.8W 2.5-4.4 BAAAA  Central California         

 

O: 31JUL2015 14:24:34  36.8N  120.9W md=2.2  ANSS   South Dos Palos California   

P:  1AUG2015 90655     36.8N  121.3W 2.5-4.4 AAAAA  Central California         

 

O: 31JUL2015 04:26:08  37.5N  118.8W md=2.5  ANSS   Mammoth Lakes California     

P:  2AUG2015 90650     37.4N  118.6W 2.5-4.6 AAAAA  California/Nevada area     

 

O: 31JUL2015 06:24:51  38.8N  122.7W md=2.6  ANSS   The Geysers California       

P: 31JUL2015 90656     38.5N  122.7W 2.5-4.7 AAAAA  Central California         

 

O: 31JUL2015 15:52:03  41.9N  119.6W ml=2.5  ANSS   ESE of Lakeview Oregon       

P:  1AUG2015 90709     41.7N  119.5W 2.5-4.8 AAAAA  California/Nevada area     

 

ALASKA

 

O: 31JUL2015 16:26:18  51.6N  171.7W mb=4.1  ANSS   Amukta Island Alaska         

P: 29JUL2015 90750     52.2N  171.5W 3.5-5.1 AAAAA  Andreanoff Isls, Aleutians 

 

O: 31JUL2015 05:12:38  52.0N  169.5W mb=4.9  ANSS   Yunaska Island Alaska

O: 01AUG2015 01:29:59  52.2N  169.3W mb=4.0  ANSS   SSW of Nikolski Alaska

O: 31JUL2015 03:53:20  52.6N  169.6W mb=4.3  ANSS   SW of Nikolski Alaska

O: 31JUL2015 19:17:18  52.6N  169.7W mb=5.0  ANSS   Yunaska Island Alaska         

P:  2AUG2015 90754     52.5N  169.2W 3.5-5.1 AAAAA  Fox Islands, Aleutians     

 

PACIFIC NORTHWESTERN U.S./WESTERN CANADA

 

O: 31JUL2015 18:08:45  46.7N  121.9W md=2.7  ANSS   NW of Packwood Washington    

P: 26JUL2015 90744     46.9N  122.0W 2.0-4.1 BAAAA  Washington state, U.S.     

 

O: 31JUL2015 17:45:07  50.3N  130.3W ML=4.1  NRCA  207 km W   of Pt. Hardy

O: 31JUL2015 17:24:33  50.3N  130.3W ML=3.9  NRCA  209 km W   of Pt. Hardy

O: 31JUL2015 17:24:35  50.6N  130.1W mb=4.2  ANSS   Port Hardy Canada            

P: 28JUL2015 90751     50.7N  130.5W 3.0-5.1 BAAAA  British Colombia           

 

ROCKY MOUNTAINS REGION

 

No earthquakes of M>=2 were located in the Rocky Mountain region today.

 

EASTERN U.S./CANADA

 

O: 31JUL2015 10:37:47  35.4N   91.8W md=2.0  ANSS   NNW of Searcy Arkansas       

P:  1AUG2015 90669     35.0N   92.0W 2.0-3.9 AAAAA  New Madrid area            

 

O: 31JUL2015 13:26:55  36.1N   97.3W mb=3.1  ANSS   N of Langston Oklahoma       

O: 31JUL2015 11:38:33  36.2N   97.5W mb=2.6  ANSS   NNE of Crescent Oklahoma     

P: 29JUL2015 90697     36.0N   96.0W 2.0-4.2 AAAAA  Southern Plains            

 

NEIC reported this earthquake of M 3.1 in Oklahoma was felt with intensity II-III in the area(s) of Yukon, Oklahoma City and Stillwater, Oklahoma.

 

O: 31JUL2015 05:27:37  37.1N   97.6W ml=1.9  ANSS   NNW of Caldwell Kansas       

P:  1AUG2015 90698     37.0N   98.0W 2.0-4.1 AAAAA  Southern Plains            

 

O: 31JUL2015 11:16:59  49.2N   89.7W ML=3.0  NRCA  86 km NW from Mackenzie        

 

O: 31JUL2015 09:41:03  47.2N   70.7W ML=2.1  NRCA  22 km NE from Beaupre         

P: 31JUL2015 90720     47.0N   69.0W 2.0-3.9 AABAA  Maine                      

 

HAWAII

 

No earthquakes of M>=3 were located in Hawaii.